Ch 13 Nervous System & Phychologic Disorders Flashcards
Nerve endings that detect chemicals…
Chemoreceotors
Thermoreceptors
Nerve cells that detect changes in temp
Nerve cells that are receptive to light
Photoreceptors
Astigmatism
stigma: points / marks
-ism: condition
Uneven curvature of the cornea or lens of the eye. Prevents the sharp focus of an image.
Brain disorder characterized by paralysis & lack of muscle coordination.
(Results from developmental defects in the brain or trauma at birth)
Cerebral Palsy
Diplegia
di-: two
-plegia: paralysis
Paralysis affecting like parts on both sides of the body.
Diplopia
dipl/o: double
-opia: vision
Double vision
Dysphagia
dys-: difficult
-phagia: eating/swallowing
Difficulty swallowing.
Dysphasia
dys-: difficult
-phasia: speech
Speech impairment caused by a lesion in the brain; characterized by lack of coordination & failure to arrange words properly
Encephalitis
encephal/o: brain
-itis: inflammation
Inflammation of the brain
Meniere Disease
Chronic disease of the inner ear characterized by recurrent episodes of dizziness
Myasthenia Gravis
my/o: muscle
-asthenia: weakness
Disease characterized by muscle weakness & abnormal fatigue.
Myelitis
myel/o: bone marrow/spinal cord
-itis: inflammation
Inflammation of bone marrow or the spinal cord
Hyperopia
Farsightedness
Analgesics
Agents that relieve pain without causing loss of consciousness