LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Question
Chapter 19, Problem 13WYL
Summary Introduction
To determine:
The three different cell layers in the neural layer of the retina and also the function of each layer.
Introduction:
The retina is the innermost layer of the eyewall and consists of nerve supply, and these nerves convert the photochemical signal into an electrical signal. The electrical signal is transmitted to the brain for processing.
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Chapter 19 Solutions
LooseLeaf for Human Anatomy
Ch. 19 - How does a sensory receptor functions as a...Ch. 19 - What is difference between tonic and phasic...Ch. 19 - Prob. 3WYLCh. 19 - Prob. 4WYLCh. 19 - What stimuli affect mechanoreceptors and...Ch. 19 - How do unencapsulated receptors differ from...Ch. 19 - Prob. 7WYLCh. 19 - Which cranial nerves receive taste sensations from...Ch. 19 - What are the components and functions of the...Ch. 19 - What are the olfactory hairs and what is their...
Ch. 19 - Prob. 11WYLCh. 19 - Prob. 12WYLCh. 19 - Prob. 13WYLCh. 19 - What is the hyaloid canal, and what does it...Ch. 19 - What is the function of the auditory ossicles?Ch. 19 - Prob. 16WYLCh. 19 - In general, how are the hair cells in the spiral...Ch. 19 - Prob. 18WYLCh. 19 - Match each numbered item with the most closely...Ch. 19 - Prob. 1MCCh. 19 - Prob. 2MCCh. 19 - Prob. 3MCCh. 19 - Prob. 4MCCh. 19 - The tarsal glands secrete a. a high-salt fluid to...Ch. 19 - Prob. 6MCCh. 19 - a. gustatory receptors. b. chemoreceptors. c....Ch. 19 - Prob. 8MCCh. 19 - Prob. 9MCCh. 19 - a. It is part of the body labyrinth. b. It is...Ch. 19 - What are the classifications of sensory receptors...Ch. 19 - Prob. 2CRCh. 19 - Prob. 3CRCh. 19 - Describe the pathway by which olfactory stimuli...Ch. 19 - What structures in the wall of the eye help...Ch. 19 - Prob. 6CRCh. 19 - Prob. 7CRCh. 19 - Where are the tensor tympani and the stapedius...Ch. 19 - Prob. 9CRCh. 19 - Describe the pathway by which sound waves enter...Ch. 19 - Prob. 1DCRCh. 19 - Prob. 2DCR
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- Larry goes to the doctor complaining that he cant see the right side of the visual field with either eye. Where in the visual signal-processing pathway is Larrys problem occurring?arrow_forwardUsing a line diagram, show how parallel rays of light are brought to a focus on the retina. Explain how this focus is maintained as the distance from the object to the eye is increasedor decreased (that is, explain accommodation).arrow_forwardDescribe the arrangement of rods and cones in the foveacentralis, the macula, and the peripheral parts of the retina.arrow_forward
- Explain structure of retina with clean and neat diagram.arrow_forwardIf your vision is normal and you put on your hyperopic friend’s glasses, is the focal point in front of your retina or behind it? (Hint: How does a lens that corrects hyperopia affect rays of light?)arrow_forwardDescribe the function of each of the followingstructures in the eye: sclera, cornea, lens, choroid,and ciliary process.arrow_forward
- At what location on the retina is visual acuity the best, and what receptor type along with what photoreceptor physical characteristic underlies this best acuity?arrow_forwardDistinguish between the rods and cones of the retina.arrow_forwardList the layers of the retina. In retinal detachment, is the retina detached from the choroid?arrow_forward
- Compare the architecture of the fovea centralis with more peripheral regions of the retina. How does this architecture relate to visual acuity and sensitivity?arrow_forwardDefine optic tractarrow_forwardThe lateral geniculate nuclei (LGN)are 6-layer structures in each hemisphere, which receive input from the retina from the ipsilateral and contralateral eyes. What is true of the layer distribution of the LGN regarding how they receive inputs from the eyes? layers 1, 4 and 6 from contralateral eye layers 4,5 and 6 from ipsilateral eye layers 2,3 and 5 from ipsilateral eye a) and c)arrow_forward
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