Terms Flashcards
Learn terms used in NMS/GU pathology
Infection involving the meninges
Meningitis
Infection of the dura mater
Pachymeningitis
Infection of the cerebral parenchyma
Encephalitis
Infection of the spinal parenchyma
Myelitis
Infection of the brain and meninges
Meningoencephalitis
“meningitis” w/o qualification
Leptomeningitis
Presence of blood (in CSF)
Xanthochromic
Pus forming
Purulent
Adrenal hemorrhage caused by intravascular coagulapathy
Waterhouse Fredrichsen Syndrome
A rounded tumor-like but non-neoplastic mass usually in the lungs or brain leads to localized tuberculosis infection
Tuberculoma
An ovoid cell w/ an eccentric nucleus w/ chromatin; derived from B type lymphocytes and are active in formation of antibodies
Plasma Cells
Sleepy or drowsy or having inclination to sleep
Somnolence
A slowly expanding lesion in which the bone is replaced by a mass of fibroblasts, collagen, & irregular bony trabeculae
Fibrous dysplasia
A cartilage-capped bony projection arising from any bone that develops from cartilage
Exostosis
Malignant tumor of epithelial origin
Carcinoma
Malignant tumor of connective tissue
Sarcoma
Variation in size and shape of nuclei
Pleomorphism
Lack of differentiation
anaplastic
Fatty acid attached to top carbon of serine molecule
Sphingosine
Fatty acids attached to top and middle carbons of serine
Ceramide
Fatty acids attached to both top and bottom carbons w/ a phosphocholne group or single glucose or galactose
Sphingomyelin
Fatty acids attached to top & middle w/ an oligosaccharide w/ sialic acid on lower carbon
Ganglioside
A slowly progressive CNS disease characterized by multiple patches of demyelination in the brain & spinal cord, resulting in multiple & varied neurologic symptoms & signs, usually w/ remission & exacerbation
Multiple Sclerosis
Breaking into run to keep from falling
Festination
Tendency to fall forward
Propulsion
Tendency to fall backward
Retropulsion
Spascity of the muscles used for speaking
Dysarthria
Opening on each side of lateral ventricles that open into 3rd ventricle
Foramen of Monro
Continuation of 3rd ventricle down through the midbrain
Aqueduct of Sylvius
Central perforation in roof of 4th ventricle
Foramen of Magendie
Lateral perforations in roof of 4th ventricle
Foramina of Luschka
Ciliated cubical epithelium that lines the ventricles and canals
Ependyma
States that volume of blood, brain tissue, & CSF must remain constant
Monro-Kelli doctrine
Excessive accumulation of fluid dilating the cerebral ventricles, thinning the brain, & causing a separation of cranial bones
Hydrocephalus
Circumscribed collection of pus appearing in acute or chronic localized infection & assoc. w/ tissue distraction & frequently swelling; a cavity formed by liquefaction necrosis w/i solid tissue
Abscess
A benign, encapsulated neoplasm of arachnoidal origin
Meningioma
An abnormal tissue that grows by cellular proliferation more rapidly than normal & continues to grow after the stimuli that initiated the new growth stops
Neoplasm
Systemic blood pressue is raised & the pulse slows
Cushing Effect
A diffuse aggregation of cells in the core of the brainstem permeated by a tangle of fibers running in all directions
Reticular formation
Accumulation of blood b/w the calvaria & the dura
Epidural hematoma
Edema of the optic disc
Papilledema
Compression of venous return to the heart due to increased volume of fluid in the compartment
Tamponade effect
A golden-yellow or yellow-brown insoluble protein produced by phagocytic digestion of hematin
Hemosiderin
Capillaries are defective so arterial blood goes into veins w/ high pressure causing distention in the veins making them tortuous
Arteriovenous malformation
A traumatic bruise of the brain surface
Cerebral contusion
Contusion that occurs on the side opposite the part of impact
Countercoup injuries
AKA Commotio cerebri; The transient loss of consciousness due to trauma
Concussion
Arrangement or condition inborn state disposing to a disease-metabolic or structure anomaly
Diathesis
Abnormally small number of platelets in circulating blood
Thrombocytopenia
Blood clot that travels w/i the body
Embolism
Condensation & reduction in size of the cell or its nucleus
Nuclear pyknosis
Large cells w/ abundant pale foamy cytoplasm
Glitter cells
Condition marked by the occurrence of overgrowth
Gliosis
AKA Charcot’s arteries; any of the variety of small arteries entering the base of the brain
Lenticostriate arteries
Microaneurysm in the lenticulostriate arteries
Charcot-Bouchard aneurysm
Loss of consciousness
Cerebral apoplexy
Paralysis of one side of the body
hemiplagia
Abnormal sensation such as of burning, pricking, tickling, or tingling
Paresthesias
Impaired or absent communication by speech, writing, or signs
Aphasia
Falling w/o loss of consciousness
Drop attacks
Slurred speech
Dysarthria
Inadequate perfusion of the brain resulting from generalized low blood flow due to extracranial events
Global ischemia
An obstruction in the ventricular system that prevents CSF from passing into the subarachnoid space
Noncommunicative (Obstructive) hydrocephalus
CSF passes normall out of the ventricular system but flow is obstructed in subarachnoid space or reabsorption is reduced
Communicating hydrocephalus