BIOL 2301 Chapter 18 Lecture Outlines PDF

Chapter 18: Specialized Sensory Receptors – Taste, Smell, Vision Receptors Stimuli and Sensations Receptors as Transducers Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Smell: olfaction Taste: gustation Sight: vision Hearing: auditory + equilibr...

Chapter 18: Specialized Sensory Receptors – Taste, Smell, Vision Receptors Stimuli and Sensations Receptors as Transducers Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Smell: olfaction Taste: gustation Sight: vision Hearing: auditory + equilibrium Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat The Tongue Gustation: Sense of Taste chemoreceptors taste papillae taste buds Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Taste (Tastants) Sweet Salt Sour Bitter Umami Gustatory Pathways Gustatory cortex in insula Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat The Nose Sense of Smell (Olfaction) detects odorants in soluble form olfactory epithelium olfactory receptor cells (= bipolar olfactory neurons) olfactory bulb, olfactory nerve olfactory cortex in temporal lobe, limbic system Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat The Eye Binocular, stereoscopic, color vision Spherical eyeball, 1/6th exposed Photoreceptors – rods and cones Tunics of eye – sclera, choroid and retina Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Accessory Structures of Eye eyebrows eye lashes eyelids or palpebrae Meibomian or Tarsal glands Conjuctiva Lacrimal apparatus Extrinsic eye muscles and their functions Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Structure of Eyeball Anterior and Posterior Cavities Ciliary body Ciliary muscles Iris Pupil Lens Outermost Tunic: Sclera Cornea in front of eye Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Choroid middle coat (uvea) pigmented ciliary body, ciliary muscles and ciliary processes Iris - colored part of the eye Pupil - allows light to enter the eye circular and radial smooth muscles sympathetic and parasympathetic fibers Pupil (dilatation/constriction) Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Retina inner layer of eyeball outer pigmented layer inner neural layer photoreceptors bipolar cells ganglion cells horizontal cells amacrine cells edge of retina: ora serrata Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Components of the Retina optic disc blind spot macula lutea fovea centralis Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Phototransduction Photoreceptors Rod Cones Sensitivity to light Photopigment - Rhodopsin Changes in response to light Role of G-protein and opsin Role of cGMP and Na+ channels Neurotransmitter Membrane potentials – depolarization and hyperpolarization Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Visual Pathways Optic nerve Optic chiasm Ipsilateral and contralateral pathways Primary visual cortex Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Emmetropia Myopia Hyperopia Astigmatism Nyctalopia Presbyopia Color Blindness Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat Brief outlines only. For details, please refer to the BIOL 2301 Lecture Text on Top Hat