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B-227_Lab_14_student notes

B-227_Lab_14_student notes - Lab 14 Lab Exercise#26 Special...

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Lab 14 Lab Exercise #26 Special Senses: Olfaction and Taste Pages 397-402 1. Localization and Anatomy of the Olfactory Receptors - receptors are true neurons Activity 1: Microscopic Examination of the Olfactory Epithelium (no slides but you need to recognize in diagrams) a. Structure of Receptors 1) Supporting (sustentacular) Cells 2) Olfactory Receptor Cells with olfactory cilia - bipolar neurons 3) Basal Cells 2. Localization and Anatomy of Taste Buds a. Structure of Receptors - receptor cells themselves are NOT neurons - taste buds consist of 3 kinds of cells: 1) Supporting (sustentacular) Cells 2) Gustatory Cells microvilli --- hair 3) Basal Cells b. Location of Taste Buds 1) Circumvallate (or vallate) Papillae - all have taste buds 2) Fungiform Papillae - most have taste buds; tip and sides 3) Filiform Papillae - rarely have taste buds; anterior 2/3 4) Foliate Papillae - have taste buds; deep sides Activity 2: Microscopic Examination of Taste Buds (no slides but you need to recognize in diagrams) 3. Laboratory Experiments (do all) a.
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