PHYL 2041 Lecture Notes - Lecture 7: Olfactory Receptor, Auditory System, Sense Of Balance

• School: Dalhousie University
• Department: Physiology
• Course: PHYL 2041
• Professor: French A.

Document Summary

Sensory system carries the sensory information into the nervous system and the information would be integrated and processed in the cns. The cns would send an order to control the pns, like muscles, glands, and effector organs to carry out a proper response. Sensory neuron: afferent neuron, bipolar, accounts for 0. 9% of all neurons. Involved in sight, hearing, taste, touch, and temperature. Sensory neuron have two projections emerging from the neuronal cell body, called bipolar neurons. Nociception is the sense of pain (normally caused by extreme mechanical or thermal stimuli) Proprioception is the sense of the relative position of neighboring parts of the body and strength of effort being employed in movement. Thermoception is the sense of temperature change: five (cid:862)t(cid:396)aditio(cid:374)al(cid:863) hu(cid:373)a(cid:374) se(cid:374)ses: tou(cid:272)h, taste, s(cid:373)ell, sight, a(cid:374)d hea(cid:396)i(cid:374)g (cid:862)no(cid:374)-t(cid:396)aditio(cid:374)al(cid:863) se(cid:374)ses: (cid:374)o(cid:272)i(cid:272)eptio(cid:374), e(cid:395)uili(cid:271)(cid:396)io(cid:272)eptio(cid:374), p(cid:396)op(cid:396)io(cid:272)eptio(cid:374), a(cid:374)d the(cid:396)(cid:373)o(cid:272)eptio(cid:374). All these senses are encoded by the sensory system. Sensory receptors are some structures associated with primary neurons.