PSYCH 3240 Study Guide - Final Guide: Homeostasis, Methamphetamine, Disulfiram
23 Apr 2018
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Carries signals from the brain to muscles and glands (periphery) Carries sensory info from the periphery (sense organs) to the brain. hub for reflex arcs (neural pathways that produce reflex acts) Bulge of the dorsal root (only found here) is caused by a cluster of the cell bodies- known as the spinal ganglion. Refle(cid:454) ar(cid:272) (cid:272)o(cid:373)prised of all of this hard(cid:449)are (cid:449)hi(cid:272)h (cid:373)akes it possi(cid:271)le for us to produ(cid:272)e refle(cid:454)es. Reflex arc- neural pathway that controls a reflex act. Reflex act- simple, automatic response to a sensory stimulus muscle contraction or gland secretion. Me(cid:374)i(cid:374)ges pro(cid:448)ide stru(cid:272)tural support a(cid:374)d prote(cid:272)tio(cid:374) the(cid:455) (cid:449)rap arou(cid:374)d the spi(cid:374)al (cid:272)ord. The spinal cord runs through the back bones (vertebrae) Don"t confuse the spinal cord and spinal column. The vertebrae are separated by pieces of cartilage. Prevents harmful substances (toxins) from entering the brain. Capillary membrane cells so tightly packed together that they form a barrier to most molecules.
