CAROTID ARTERY - Large artery on either side of the neck that supplies most of the cerebral hemisphere.

This space lies between the dura mater and the pia mater. Meningo- means membranes covering the brain and spinal cord. HERNIATED NUCLEUS PULPOSUS (HNP) - Extrusion of the central portion of an intervertebral disc through the outer cartilaginous ring. Published by Houghton Mifflin Harcourt Publishing Company.

Temporal refers to the temporal bone of the skull.

Sensory - The cortical portion controlling sensation. You assume full responsibility for how you chose to use this information. NEUROLYSIS - Removal of scar or reactive tissue from a nerve or nerve root. Thesaurus: All synonyms and antonyms for hemiplegia, Britannica.com: Encyclopedia article about hemiplegia. CONTUSION - A bruise; cerebral contusions often involve blood vessels that leak into brain tissue.

The brachial plexus is a network of nerves and blood vessels that animate the upper limbs. It consists of the hypothalamus, thalamus, metathalamus, and the epithalamus and includes most of the third ventricle. Potential is an interpretation of energy involved in passing on a unit of electric charge.

ANESTHESIOLOGIST - Physician who administers pain-killing medications and monitors complications and reactions during surgery.

Plexus refers to a network of nerves and blood vessels. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. HYPERACUSIS - Abnormal acuteness of hearing or auditory sensation. Aphasia is an inability to express words or form words and to understand language. MAGNETIC RESONANCE IMAGING (MRI) - Diagnostic test that produces three-dimensional images of body structures using powerful magnets and computer technology rather than X-rays. PAPILLEDEMA - Swelling of the optic nerve head that can be seen in the back of the retina during eye examination. AMAUROSIS- Loss of vision without a visible lesion in the eye structures or optic nerve. EPIDURAL HEMATOMA - A blood clot between the dura mater and the inside of the skull. NEURECTOMY - Excision of part of a nerve. "Is" it time for a new quiz? The circle of Willis is a network formed by the anterior, posterior and middle cerebral arteries. ATROPHY - A wasting of the tissues of a body part. A longitudinal fissure is the largest and deepest depressions between the cerebral hemisphere. -scopy is the visual examination with a lighted instrument. William Collins Sons & Co. Ltd. 1979, 1986 HarperCollins See the most commonly confused word associated with.

ARACHNOID - Middle layer of membranes covering the brain and spinal cord. LAMINOTOMY - An opening made in a lamina. Decerebrate posture is an abnormal body posture, usually in a comatose patient with a severe brain injury, in which the arms are extended and internally rotated and the lower extremities are extended with the feet in the plantar flexion position. MENINGIOMA - A firm, often vascular, tumor arising from the coverings of the brain. ENDOCRINE GLAND - A gland that furnishes an internal secretion, usually having an effect on another organ. POLYNEURITIS - Inflammation of two or more nerves simultaneously. During this procedure needle electrodes are inserted to record activity associated with a nerve or skeletal muscle to detect muscle and peripheral nerve disease. The brain is the portion of the central nervous system located within the cranium which is responsible for a persons intelligence, personality, reasoning, and their mood. The parasympathetic nervous system is responsible for the conservation and restoration of energy stores.

Neurons control all the functions of the nervous system. INTRAOPERATIVE CISTERNOGRAPHY - Administration of a contrast dye into the ventricles, which are chambers in the brain that contain brain fluid. CAUDATE NUCLEUS - Part of the basal ganglia, which are brain cells that lie deep in the brain. Neurotransmitters are chemical messengers that carry a signal from one neuron across the synaptic cleft to the next neuron. Efferent pathways are the route of the nerve fibers carrying impulses away from a nerve center. It allows nerve impulses to travel to and from the brain. LINEAR ACCELERATOR - Equipment that precisely delivers a concentrated dose of radiation to a predetermined target using X-rays. Ataxia is impaired coordination of movement marked by gait or postural imbalance. SHUNT - A tube or device implanted in the body to divert excess CSF away from the brain to another place in the body.

APHASIA - Difficulty with or loss of use of language in any of several ways, including reading, writing or speaking, not related to intelligence but to specific lesions in the brain. Epilepsy is a neurological disorder characterized by paroxysmal transient disturbances of brain function, resulting in convulsions and loss of consciousness.

VENTRICLE - The cavities or chambers within the brain that contain the cerebrospinal fluid. Post the Definition of hemiplegia to Facebook, Share the Definition of hemiplegia on Twitter, 'Dunderhead' and Other Nicer Ways to Say Stupid, 'Pride': The Word That Went From Vice to Strength. We are working to get this fixed as soon as possible. DYSTONIA MUSCULORM DEFORMANS - An affliction, occurring especially in children, marked by muscular contractions producing distortions of the spin and hips. VASOCONSTRICTION - A decrease in the diameter of blood vessels.

Tab will move on to the next part of the site rather than go through menu items. Status epilepticus is an occurrence of multiple seizures in which the patient does not experience recovery time in between seizures. SUBARACHNOID HEMORRHAGE - Blood in, or bleeding into, the space under the arachnoid membrane, most commonly from trauma or from rupture of an aneurysm. Caud- refers to tail, or toward the tail bone.

A plexus is a network of intersecting nerves and blood vessels. Hemi-, unlike semi, almost always appears in scientific or technical words, including medical terms such as this one. During this procedure electrical activity of the brain is recorded by scalp electrodes to evaluate seizure disorders, cerebral disease, and brain death.

AVASCULAR - Non-vascular, not provided with blood vessels. CEREBRUM - The principal portion of the brain, which occupies the major portion of the interior of the skull and controls conscious movement, sensation and thought.

Agnosia is the loss of ability to recognize objects. The "Master Gland". Same as extradural. Below are some suffixes that can be used for the medical terminology of most systems.

MENINGITIS - An infection or inflammation of the membranes covering the brain and spinal cord. Autonomic dysreflexia is a life threatening emergency in patients with spinal cord injury or lesions characterized by a hypertensive emergency. Ventricles are the cavities within the brain that are filled with cerebrospinal fluid.

AUTONOMIC NERVOUS SYSTEM - Involuntary nervous system, also termed the vegetative nervous system. MAGNETIC RESONANCE ANGIOGRAPHY (MRA) - A non-invasive study that is conducted in a magnetic resonance imager (MRI). MENINGOENCEPHALOCELE - A protrusion of both the meninges and brain tissue through a skull defect. BELL'S PALSY - Paralysis of facial muscles (usually one side) due to facial nerve dysfunction of unknown cause. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hemiplegia.' The dendrites are the thin branch-like fibers of the cell. Published by Houghton Mifflin Company. New Latin, from Middle Greek hmiplgia paralysis, from Greek hmi- + -plgia -plegia.

The American Heritage Science Dictionary Also called Tic Douloureux.

There, without any premonitory symptom whatsoever, he suffered an attack of (left) hemiplegia. Finally, there is a list of some diseases and conditions related to the nervous system. ASTROCYTOMA - Tumor within the substance of the brain or spinal cord made up of astrocytes; often classified from Grade I (slow growing) to Grade III (rapid growing). A non-invasive study that is conducted in a magnetic resonance imager (MRI). The pia mater is the innermost layer of the three meninges. DYSESTHESIA - A condition in which ordinary touch, temperature or movement produces a disagreeable sensation. An MRI is a procedure used to produce an image by the creation of a magnetic field to give detailed information about nervous system abnormalities. 465 0 obj <>/Filter/FlateDecode/ID[<0F9863A5C5AF6641BD1D6B465AC78AF5><8B7FA53C8D995E408B62F29EDA7BB5F7>]/Index[441 40]/Info 440 0 R/Length 114/Prev 136697/Root 442 0 R/Size 481/Type/XRef/W[1 3 1]>>stream

Then prove your excellent skills on using "is" vs. Spectro refers to relationship of an image or spectrum. It also helps the body return back to normal from a sympathetic response. Elsevier Inc. Disclaimer: The information contained on this site is not intended or implied to be a substitution for professional medical advice, diagnosis or treatment. A chemical structure on the surface of a cell that is sensitive to stimulation. CRANIOTOMY - Opening of the skull, usually by creating a flap of bone. This section contains prefixes that are used for the medical terminology of most systems. Peripheral refers to away from the center. ANTI-COAGULANT - A medication that prevents coagulation (clotting) of the blood. Efferent neurons (also called motor neurons or output neurons) carry and transmit impulses from the central nervous system (brain and spinal cord) to muscles and glands. MEDIAN NERVE - The nerve formed from the brachial plexus that supplies muscles in the anterior forearm and thumb, as well as sensation of the hand.

Neurons receive information and transmit messages from one cell to another, throughout the body.

TRIGEMINAL NEURALGIA - Paroxysmal pain in the face. ENDOCRINOPATHY - Any disease due to abnormality of quantity or quality in one or more of the internal glandular secretions. EDEMA - An excessive accumulation of fluid generally in the extracellular or intracellular areas of the brain. The sulcus is a shallow depression on the surface of the brain or an organ. ANGIOGRAPHY - Radiography of blood vessels using the injection of material opaque to X-rays to give better definition to the vessels.

HEMORRHAGE - Bleeding due to the escape of blood from a blood vessel.

'All Intensive Purposes' or 'All Intents and Purposes'? The magnetic images are assembled by a computer to provide an image of the arteries in the head and neck.

NEUROMA - A tumor or new growth largely made up of nerve fibers and connective tissue. Paralysis affecting only one side of the body. This branch of the nervous system is mediated by acetylcholine. QUADRANTANOPIA - Defect in vision or blindness in one fourth of the visual field. Success! AMAUROSIS FUGAX - Temporary blindness occurring in short periods. A neurologist is a person who treats conditions related to the nervous system. This may be through a visual, auditory, or tactile sensory system. HEMIANOPIA - Loss of vision of one-half of the visual field. Lumbar refers to the area between the thorax and pelvis. This procedure is used to detect vascular lesions and tumors. White mater is tissue of the central nervous system which mainly consists of myelinated nerve fibers and has an almost white color. NEUROBLASTOMA - Tumor of sympathetic nervous system, found mostly in infants and children. This is a list of word roots with their combining vowels used for the integumentary system. INTRACEREBRAL HEMATOMA - A blood clot within the brain. A system of nerve cells whose activities are beyond voluntary control. Decorticate posture is an abnormal body posture, usually in a comatose patient with a severe brain injury, in which the arms are abnormally flexed and the lower extremities are extended. The cerebellum, located posterior to the brainstem, plays an important role in sensory and motor coordination and also balance. SPONDYLOLISTHESIS - Forward displacement of one vertebra on another. The Wernicke center is a section of the posterior temporal lobe where the sensory speech center is located.

ATHETOSIS - A condition in which there is a succession of slow, writhing, involuntary movements of the fingers and hands, and sometimes of the toes and feet. MYELOMENINGOCELE - A protrusion of the spinal cord and its coverings through a defect in the vertebral column. THALAMUS - Brain cells which lie in the upper part of the brainstem. Afferent neurons (also called sensory neurons or input neurons) carry impulses from the peripheral receptors (skin and sensory organs) to the central nervous system (spinal cord and the brain). A hemiplegic, like a paraplegic (who has lost the use of both legs), has usually suffered brain damage, often from a wound or blood clot. SACCULAR ANEURYSM - A balloon-like outpouching of a vessel (the more common type of aneurysm). Nodes of Ranvier are the gaps along myelin sheath that facilitate the transmission of impulses. HYPERESTHESIA - Excessive sensibility to touch, pain or other stimuli. QUADRIPLEGIA - Paralysis of all four limbs. ARTERIOVENOUS - Relating to both arteries and veins. ANOREXIA - An eating disorder marked by loss of appetite leading to excessive weight loss. HEMANGIOMA - An aggregation of multiple, dilated, blood vessels. MedTerms medical dictionary is the medical terminology for MedicineNet.com. background-image - a woman looking at a screen, Neurosurgery Research & Education Foundation. DIABETES INSIPIDUS - Excretion of large amounts of urine of low specific gravity.

See additional information. Other conditions that affect one side of the body are hemihypertrophy (excessive growth on one side), hemiatrophy (wasting on one side), and hemiparesis (weakness or partial paralysis). EPILEPSY - Disorder characterized by abnormal electrical discharges in the brain, causing abnormal sensation, movement or level of consciousness. Which of the following best describes an easily irritated person.

medterms medical dictionary a-z list / plegia definition.

VASOSPASM - Spasm of blood vessels, decreasing their diameter. CRANIOSYNOSTOSIS - Premature closure of cranial sutures, limiting or distorting the growth of the skull. Motor neurons are nerve cells that transmit nerve impulses from the brain or spinal cord to muscular tissue.

LAMINECTOMY - Excision of one or more laminae of the vertebrae. %%EOF Quadriplegia also known as tetraplegia is paralysis of both arms and legs and the trunk resulting from spinal cord injury. Now check your email to confirm your subscription. Copyright 1993-2021 Use the word comparison feature to learn the differences between similar and commonly confused words. In the nervous system a joining of nerves or blood vessels. A brain injury is an injury to the skull or brain such as a blow or penetrating object that is severe enough to interfere with normal functioning.

HEMIPLEGIA - Paralysis of one side of the body. ADENOMA - A benign growth formed of glandular tissue.

Click for a side-by-side comparison of meanings. AGRAPHIA - Inability to write due either to muscular coordination issues or to an inability to phrase thought.

GLASGOW OUTCOME SCALE - A widely used system of classifying outcome after head injury or other neurologic diseases. DOME - The round balloon-like portion of the aneurysm which usually arises from the artery from a smaller portion called the neck of the aneurysm. Collected Papers on Analytical Psychology, A System of Operative Surgery, Volume IV (of 4). ENDARTERECTOMY - Removal of fatty or cholesterol plaques and calcified deposits from the internal wall of an artery. CORONAL SUTURE - The line of junction of the frontal bones and the parietal bones of the skull. Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012. The dura mater is the thick tissue that lines the inside of the skull. Schwann cells are cells that form the myelin sheath around the peripheral nerve fibers. BIOPSY - Removal of a small portion of tissue, usually for making a diagnosis.

CATHETER - A small tube used to inject a dye to see the blood vessels, similar to that used for looking at vessels in the heart.

INTRA-ARTERIAL CATHETERIZATION ANGIOGRAPHY - An invasive study in which a catheter (a small tube) is placed in the artery and contrast material is injected to which makes the blood vessels visible on an X-Ray image. Fissure refers to a deep depression on the surface of an organ such as the brain.

DIFFUSE BRAIN INJURY - Damage to the brain that can affect many parts of the brain, often in a subtle fashion; examples include diffuse axonal injury and inadequate blood flow. The anterior and posterior communicating arteries offer collateral blood flow when a primary artery is obstructed. PUPIL - The black part of the eye through which light enters; enlarges in dim light and decreases in size in bright light. VALVE - Device placed in a shunt system to regulate the rate and direction of CSF flow. MedTerms online medical dictionary provides quick access to hard-to-spell and often misspelled medical definitions through an extensive alphabetical listing. 0 TRANSSPHENOIDAL APPROACH - Operative method of reaching the pituitary gland or skull base traversing the nose and sinuses.

December, 1909:Neurological ExaminationHemiplegia almost entirely disappeared, but numerous physical stigmata still persist. The cerebral cortex is a layer of neurons and synapses on the surface of the cerebral hemisphere. VERTEBRA- Any of the 33 bones of the spinal column. It is used to detect for spinal lesions. During a myelography, a contrast medium is injected into the subarachnoid space and an x-ray of the spinal cord and vertebral column is performed. This article will contain a list of word roots, and a few additional suffixes and prefixes related to the nervous system. Hemiplegia is paralysis of one side of the body, or part of it, due to injury in the motor area of the brain. -ectomy refers to an excision (surgical removal or cutting out).

The pons, which is an area of the brainstem just above to the medulla oblongata, relay nerve impulses to and from the body to the cerebellum. Up and Down arrows will open main level menus and toggle through sub tier links. A positron emission tomography uses a radioactive material (drug) that shows up as a bright spot on an image. A spinal cord injury is an injury to the spinal cord, vertebral column, and supporting soft tissue. GAMMA KNIFE - Equipment that precisely delivers a concentrated dose of radiation to a predetermined target using gamma rays. Multiple sclerosis is an immune disease that causes the demyelination or destruction of the myelin sheath.

A coma is a prolonged state of unconsciousness characterized by the inability to arouse the person. Test your vocabulary with our 10-question quiz! endstream endobj 442 0 obj <. DISC - The intervertebral disc - cartilaginous cushion found between the vertebrae of the spinal column. 2022. No clear underlying structural abnormality. ARTERIOVENOUS MALFORMATION - Collection of blood vessels with one or several abnormal connections between arteries and veins, which may cause hemorrhage or seizures. Intracranial pressure is pressure exerted by the volume of the intracranial contents within the cranium.

VERTIGO - An abnormal sensation of rotation or movement of one's self or the environment.

hbbd```b``V3@$Sd} ""`d)?$/O`2n DrEhIF -#=T#300 }c It is the outermost layer of the three membranes. Those hormones then regulate other glands including the thyroid, adrenals and gonads. These cells are the support cells of the nervous system. Ganglia or ganglion refers to a knotted mass of nerve tissue. The meninges include the dura mater, the pia mater, and the arachnoid membrane. NYSTAGMUS - Involuntary rapid movement of the eyes in the horizontal, vertical or rotary planes of the eyeball. The brainstem is a stalk-like structure that is below and partially covered by the cerebrum. When the prefixes are detached from a term, it is followed by a hyphen (-). ANGIOGRAM - A medical imaging report that shows the blood vessels leading to and in the brain, obtained by injecting a dye or contrast substance through a catheter.

BLOOD-BRAIN BARRIER - The barrier that exists between the blood and the cerebrospinal fluid, which prevents the passage of various substances from the bloodstream to the brain.

LEUKODYSTROPHY - Disturbance of the white matter of the brain. COCCYX - The small bone at the end of the spinal column , formed by the fusion of four rudimentary vertebrae. Cerebrospinal refers to the brain and spinal cord. It is used to study disorders of the nervous system including brain diseases, brain tumors, Alzheimers disease, strokes, seizure disorders and multiple sclerosis. EPIDURAL - Immediately outside the dura mater. The occipital lobe is one of the four lobes of each cerebral hemisphere located behind the parietal and temporal lobes. It also allows a person to interact with their environment. OSTEOMYELITIS - Inflammation of bone due to infection, which may be localized or generalized.

SPINA BIFIDA - A congenital defect of the spine marked by the absence of a portion of the spine. A daily challenge for crossword fanatics.

441 0 obj <> endobj The midbrain is the most superior portion of the brainstem. INFUNDIBULUM - A stalk extending from the base of the brain to the pituitary gland. LAMINA - The flattened or arched part of the vertebral arch, forming the roof of the spinal canal. Meninges are the membranes which encompass the brain and the spinal cord. Suffered for a year from hemiplegia, which disappeared when the wound healed. ELECTROMYOGRAPHY (EMG) - A method of recording the electrical currents generated in a muscle during its contraction. ANASTOMOSIS - A communication, direct or indirect: a joining together. MedicineNet does not provide medical advice, diagnosis or treatment. This dilates the ventricles and, in infants and young children, causes the head to enlarge. STRABISMUS - Deviation of eye movement that prevents the two eyes from moving in a parallel fashion. 480 0 obj <>stream Copyright 2002, 2001, 1995 by Houghton Mifflin Company. Copyright 2021 GlobalRPH - Web Development by. A brain abscess is a cluster of infectious material within a portion of the brain. These cells are involved in the nutrition and maintenance of the nerve cells.

CRANIOPLASTY - The operative repair of a defect of the skull. A neurosurgeon is a physician that specializes in the nervous system and operative procedures. There was an error submitting your subscription. OLIGODENDROGLIOMA - A growth of new cells derived from the oligodendroglia. It measure metabolic activity of the brain to assess cell death or damage. The lateral horn is a small horn-like projection of gray matter into the white matter of the spinal cord between the anterior and dorsal horn. A Myelin sheath is a segmented fatty sheath that wraps the axon of many neurons in the body. GLOBUS PALLIDUS - Part of the basal ganglia, which are brain cells that lie deep in the brain. Apraxia is an inability to perform purposeful acts such as the manipulation of objects on a voluntary basis. CONTRAST MEDIUM - Any material (usually opaque to X-rays) employed to delineate or define a structure during a radiologic procedure. BRADYCARDIA - Slowness of the heart rate. A cerebral angiography uses serial x-rays to visualize intra and extra cranial blood vessels. Hemiplegia. Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hemiplegia.

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