term | meaning |
nervous system includes | brain, spinal cord, nerves and sense organs |
nervous system function | regulates body activities through action potentials (nerve impulses) |
neuroma | nerve tumour |
neuron | conducting cell of nervous system |
axon | conducts impulses away from cell body |
dendrite | conducts impulses towards cell body |
meninges | covering of brain and spinal cord |
outermost layer of meninges | dura mater (fibrous membrane) |
middle layer of meninges | arachnoid membrane (fragile, fibrous layer) |
innermost layer of meninges | pia mater (extremely thin, has rich blood supply) |
space between dura mater and arachnoid membrane | subdural space (site of hemorrhage after head trauma) |
space between arachnoid membrane and pia mater | epidural or subarachnoid space (filled with cerebrospinal fluid) |
afferent (in nervous system) | sensory impulses to brain |
efferent (in nervous system) | motor impulses from brain |
aphasia | loss or impairment of speech, written language or signs |
aphonia | loss of speech |
apraxia | partial or complete loss of ability to perform movements |
ataxia | impairment of coordination of movement |
dysphagia | difficulty in swallowing |
dysphasia | impairment of speech |
dyspraxia | partial loss of ability to coordinate movements |
migraine headaches | throbbing vascular headache, associated with constriction and dilation of arteries within the brain |
cerebral palsy | progressive, permanent disorder of movement and posture resulting from an insult to the immature brain |
epilepsy | abnormal electrical activity of brain causing spasms |
endocrine system includes | all hormone-producing glands and cells |
endocrine system fnc | regulates body activities through hormones transported in the blood |
hypercalcemia | excess calcium in the blood |
metabolism | sum of all chemical and physical changes in body |
respiratory system includes | lungs, and associated passageways such as pharynx, larynx, trachea, bronchial tubes |
digestive system function | break down and absorb food for use by cells and eliminate wastes |
Crohn's Disease | chronic inflammation of GI tract |
urinary system fnc | regulates chemical composition of blood, eliminates wastes... |
prostatectomy | excision of prostate |