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Med term 11 & 12


Axon single projection of a neuron that conducts impulse away from nerve cell body
Dendrite branched process off a neuron that receives impulses and carries them to cell body
Cell Body portion of the nerve cell that includes nucleus
Myelin tissue that wraps around many of nerve fibers
Delirium state of mental confusion with lack of orientation to time and place
Dementia progressive impairment of intellectual function that interferes with performing activities of daily living
Aura sensations, such as seeing colors or smelling unusual odor, that occur just prior to epileptic seizure or a migraine headache
Dura Mater means tough mother, it forms a touch, fibrous sac around the central nervous system
Subdural space actual space between the dura mater and arachnoid layers
Arachnoid layer meaning spiderlike, it is a thin, delicate layer attached to the pia mater by weblike filaments
Subarachnoid Space space between the arachnoid layer and the pia mater; it contains cerebrospinal fluid that cushions the brain from the outside
Pia Mater meaning soft mother; it is the innermost membrane layer and is applied directly to the surface of the brain and spinal cord
Palsy temporary or permanent loss of ability to control movement
-plegia paralysis
-paresis weakness
Syncope fainting
Vertigo dizziness
Paresthesia abnormal sensation such as burning or tingling
Seizure sudden attack of severe muscular contractions associated with loss of consciousness
Tremor involuntary quivering movement of a part of the body
Convulsion severe involuntary muscle contractions and relaxations; these have a variety of causes
Hydrocephalus accumulation of cerebrospinal fluid within ventricles of brain, causing head to be enlarged
Conscious condition of being awake and aware of surroundings
Unconscious condition or state of being unaware of surroundings with inability to respond to stimuli
Bell's Palsy one-sided facial paralysis with unknown cause
Alzheimer's chronic, organic mental disorder consisting of dementia that is more prevalent in adults between 40 and 60
Parkinson's chronic disorder of nervous system with fine tremors, muscular weakness, rigidity, and shuffling gait
Reye's Syndrome brain inflammation that occurs in children following viral infection, usually flu or chickenpox
CVA cerebrovascular accident
Concussion injury to brain resulting from blow or impact from object
Shingles eruption of vesicles along nerve, causing rash and pain
Multiple Sclerosis inflammatory disease of central nervous system; rare in children; generally strikes adults between ages of 20 and 40; there is progressive weakness and numbness
Guillain-Barre disease of nervous system in which nerves lose their myelin covering
Myasthenia Gravis disorder causing loss of muscle strength and paralysis
Lumbar Puncture puncture with needle into lumbar area to withdraw fluid for examination and for injection of anesthesia
Cerebral Angiography x-ray of blood vessels of brain after injection of radiopaque dye
PET positron emission tomography
Position Emission tomography PET
Spina Bifida congenital defect in walls of spinal canal in which laminae of vertebra do not meet or close; results in membranes of spinal cord being pushed through opening
Meningocele congenital hernia in which meninges, or membranes, protrude through opening in spinal column or brain
Myelomeningucele hernia composed of meninges and spinal cord
Hypercalcemia condition of having a high level of calcium in the blood
Hyperglycemia condition of having a high level of sugar in the blood
Hypernatremia condition of having a high level of sodium in the blood
Hypocalcemia condition of having a low level of calcium in the blood
Hypoglycemia Condition of having a low level of sugar in the blood
Hyponatremia Condition of having a low level of sodium in the blood
Pineal Gland gland in endocrine system that produces hormone called melatonin
Adrenal Gland pair of glands in endocrine system located just above each kidney
Thymus endocrine gland located in upper mediastinum that assists body with immune function and development of antibodies
Gonads organs responsible for producing sex cells
Pituitary pertaining to pituitary gland
Pancreas organ in digestive system that produces digestive enzymes
FSH follicle-stimulating hormone
LH luteinizing hormone
TSH thyroid-stimulating hormone
GH growth hormone
Calcitonin (CT) hormone secreted by thyroid gland; stimulates deposition of calcium into bone
Parathyroid Hormone (PTH) hormone secreted by parathyroid glands; the more hormone, the higher the calcium level in blood and the lower the level stored in bone
Epinephrine hormone produced by adrenal medulla
Adrenaline hormone produced by adrenal medulla;
Hirsuitism excessive hair growth over body
Gynecomastia development of breast tissue in males
Exophthalmos condition in which eyeballs protrude
Type 1 Diabetes Mellitus insulin-dependent
Type 2 Diabetes Mellitus non-insulin-dependent
Cretinism congenital condition due to lack of thyroid that may result in arrested physical and mental development
Gigantism excessive development of body due to overproduction of growth hormone by pituitary gland
Acromegaly chronic disease of adults resulting in elongation and enlargement of bones of head and extremities
Myxedema condition resulting from hypofunction of thyroid cland
Tetany condition resulting from calcium deficiency in blood
Dwarfism condition of being abnormally small
Peripheral Neuropathy damage to nerves in lower legs and hands as a result of diabetes mellitus
Ketoacidosis acidosis due to excess of ketone bodies
Diabetic Retinopathy secondary complication of diabetes that affects blood vessels of retina
Polydipsia condition of having excessive amount of thirst such as in diabetes
Cephalalgia headache
Dysphasia impairment of speech as a result of brain lesion
Quardriplegia paralysis of all four extremities
Paraplegia paralysis of lower portion of body and both legs
Thymoma malignant tumor of thymus gland
Thyromegaly enlarged thyroid
Neuralgia nerve pain
Created by: 100000423180436