BIOS 252 Exam 3 Questions And Answers.

Free Nerve Endings - pain, temperature changes, tickle and itch Encapsulates Nerve Endings - touch, pressure, vibration Special Sensory Cells - used to create special sensory reception Tactile Free Nerve Endings - itch, tickle Non-Tactile Free Nerve Endings - temperature changes, pain Meissner's Corpuscle - light touch, low frequency vibration Type I Cutaneous Mechanoreceptor: Merkel Cells - pressure Type II Cutaneous Mechanoreceptor: Ruffini's Corpuscle - light and deep pressure (baroreceptors) Lamellated Corpuscles: Pacinian Corpuscle - vibration Fibrous Tunic of the eye - sclera and cornea Sclera - white of the eye; where extrinsic eye muscles attach Cornea - the transparent outer covering of the eye that allows light to pass through Vascular Tunic - choroid, ciliary body, irisChoroid - middle, vascular layer of the eye, between the retina and the sclera. center of the optic nerve made of connective tissue and blood vessels Ciliary Body - ring of tissue behind the peripheral iris that is composed of ciliary muscle and ciliary processes Ciliary Process - produces aqueous humor Zonular Fibers - connect the lens to the ciliary body