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Ch12 Ppt Lect
1. Chapter 12 – Part 1 Somatic and Special Senses PowerPoint Presentation to accompany Hole’s Human Anatomy and Physiology, 10 th edition , edited by S.C. Wache for Biol2064.01
2. You are responsible for the following figures and tables : Tab. 12.1 - Information flow. Read TB, p.424 - Somatic Senses. Fig. 12.4 - stretch receptors / Golgi tendon organs. Fig. 12.2 - Define 'referred pain'. Read TB, p.430 - Special Senses - We will focus on the ear and eye. Fig. 12.9, 12.11, Fig. 12.15 (locate hair cell receptors) Fig. 12.16 - Auditory nerve pathway . Fig. 12.24 - Extrinsic muscles of the eye. Fig. 12.25, 12.28, 12.31 Fig. 12.32 - photoreceptors - rods and cones. Clinical Application 12.5 - far-sightedness (hyperopia); near-sightedness (myopia). Fig. 12.41 - Visual nerve pathway .
22. External Ear (Fig. 12.9) – The outer auricle or pinna collects sound waves. External auditory meatus : canal that passes into the temporal bone, directs sound waves to the tympanic membrane (eardrum). Ceruminous glands line the canal and secrete ear wax.
23. Middle Ear (Fig. 12.10) Note the entrance to the cochlea, the oval window right at the stapes. Note the exit at the round window.
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26. Inner Ear (Fig.12.11) Note the cochlea. Note the vestibule with utricle and saccule in front of the cochlea.