'Amacrine cells' diaporamas de présentation

The Special Senses

The Special Senses. P A R T A. Eye and Associated Structures. 70% of all sensory receptors are in the eye Most of the eye is protected by a cushion of fat and the bony orbit Accessory structures include eyebrows, eyelids, conjunctiva, lacrimal apparatus, and extrinsic eye muscles. Eyebrows.

1.46k views • 131 slides

Foveal cones are about 2.4 ? m in diameter (0.7 min of arc)

Foveal cones are about 2.4 ? m in diameter (0.7 min of arc) Peripheral cones are about 5.8 ? m in diameter (1.7 min of arc). Ganglion cells. Ganglion cells. Claim that ganglion cells are not photosensitive. (But, recall Pritchard.)

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The Eye and Vision

The Eye and Vision. Unit 2 Communication, 2.4 Communication with the Outside World. The Eye. The eye is a complex organ composed of many parts. Good vision depends on the way in which those parts work together. What we see is actually light that is differentiated into shapes and colors.

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Unit Ten: The Nervous System: B. Special Senses

Unit Ten: The Nervous System: B. Special Senses. Chapter 50: The Eye: II. Receptor and Neural Function of the Retina. Guyton and Hall, Textbook of Medical Physiology, 12 th edition. Anatomy and Physiology of the Retina. Layers of the Retina-functional components

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Glaucoma & Glaucoma test

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HISTOLOGY OF EYE

HISTOLOGY OF EYE. Dr Iram Tassaduq. EPITHELIUM. Stratified squamous non keratinized Consist of 5-6 layer Active mitosis Turnover time for cells is 6-7 days Extremely sensitive to touch. BOWMANS MEMBRANE. Consists of collagen fibers Acellular clear membrane lie under the epithelium

3.1k views • 31 slides

Presenter: Juan Mo

Presenter: Juan Mo. Learning objectives. What is gene therapy? What is a Dox-regulatable system and how can gene expression be regulated by Dox? What is the difference between TetON and TetOFF? What is the role of RPE65? What is electroretinography (ERG)?. Introduction.

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Chapter 10

Chapter 10. Sensory Physiology. 10-1. Sensory Receptors. Transduce (=change) environmental info into APs -- the common language of NS Each type responds to a particular modality (=form of info, e.g. sound, light, pressure)

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Eye induction and retinal cell specification

Eye induction and retinal cell specification. Chris Strang Ph.D. Vision Sciences WORB 308 cstrang@uab.edu 975-7222. Outline. Eye field and optic vesicle induction Development of the lens, iris, ciliary body, and anterior chamber. Retina induction Retinal cell proliferation

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Recent findings

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Ahmad Aulia Jusuf 1 Toshio Terashima 2 Hiroyuki Sakagami 3

Rat retina expresses the beta subunit 2 of Ca2+/calmodulin-dependent protein kinase I (CaMKI b 2) during its development. Ahmad Aulia Jusuf 1 Toshio Terashima 2 Hiroyuki Sakagami 3 1 Depart of Histology Faculty of Medicine University of Indonesia

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Rods vs cones

Rods vs cones. Rods - large current change with a single photon Cones - smaller current change, compared to noise. Rods vs cones. Cones do not saturate at high illumination. Cones adapt more to high illumination than rods. circuits. Rods and cones can transmit to the same ganglion cell.

109 views • 10 slides

Sensory Receptor Cells of the Eye

Sensory Receptor Cells of the Eye. Sensory Neural Systems 22 January 2008 Rachel L. Leon. Eye Anatomy. http://www.matossianeye.com/art2/ANATONY2.jpg. http://www.deltagen.com/target/histologyatlas/atlas_files/sense/eye_retina_40X.jpg.

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Sensory Receptor Cells of the Eye

Sensory Receptor Cells of the Eye. Sensory Neural Systems 22 January 2008 Rachel L. Leon. Eye Anatomy. http://www.matossianeye.com/art2/ANATONY2.jpg. http://www.deltagen.com/target/histologyatlas/atlas_files/sense/eye_retina_40X.jpg.

164 views • 7 slides