Reflexes occur over neural pathways called reflx arc; Flexor, planar, stretch (knee jerk), abdominal
How many pairs of periphereal nerves come out from spinal chord?
31 pairs; made up of efferent, afferent, motor, and mixed erves from receptor sites to effector sites
Antagonist substances can bind with neurotransmiter recetpr site to inhibit what?
one of a pair of nerves that arises from cervical spinal roots and passes down the thorax to innervate the diaphragm and control breathing; Use to Major visceral organs of general body trunk
A sensory receptor that responds to mechanical disturbances, such as shape changes (being squashed, bent, pulled, etc.). Mechanoreceptors include touch receptors in the skin, hair cells, in the ear, muscle spindles, and others.
where tactile sensitives are well developed, live in hairless regions, sensitive to (light,touch), upper part of dermis
an injury or infection to the facial nerves, which then becomes inflamed, shows as paralysis of facial muscles, loss of taste, difficulty chewing and the affected eye may remain open all the time (effects may be permanent)
condition that causes tumors to grow on nerve tissue, producing skin and bone abnormalities