Gross Anatomy Of Retina

The primary layers of the retina from outermost surface to innermost surface. Development of the eye.

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The retina is formed during development of the embryo from optic vesicles outpouching from two sides of the developing neural tube.

Gross anatomy of retina. The Organization of the Retina and Visual System. The posterior chamber also contains the fluid aqueous humor. Gross Anatomy of the Eye.

A few of the visible parts include the the cornea iris pupil sclera and conjunctiva. The retina is formed during development of the embryo from optic vesicles outpouching. The retina has a dual vascular supply that is similar between the two species.

Gross Anatomy of the Eye LGN and LGB are used interchangeably and serve the same function. Anatomy and Physiology of the Retina. University of Utah Health Sciences Center.

The retina is approximately 05 mm thick and lines the back of the eye. The retina is a part of the central nervous system and an ideal region of the vertebrate brain to study because like other regions of the central nervous system it derives from the neural tube. The retina contains millions of cells that perceive light color and fine details in the things you see.

Gross Anatomy of the Eye. The human retina is located on the inner surface of the posterior two-thirds to three-quarters of the eye. The optic nerve contains the ganglion cell axons running to the brain and additionally incoming blood vessels that open into the retina to vascularize the retinal layers and neurons Fig.

The retina is approximately 05 mm thick and lines the back of the eye. The retina is a part of the central nervous system and an ideal region of the vertebrate brain to study because similar to other regions of the central nervous system it derives from the neural tube. The Retinal Pigment Epithelium.

The term gross anatomy of the eye pertains to the structures that are visible when looking at an eye and there are also many parts that cant be seen under normal circumstances. The innermost coat of the eye the retina can be seen where it has separated from the choroid. Items refer to the human eye unless otherwise specified.

If any part of the retina becomes damaged your vision may be compromised. Grosss anatomy Three distinct regions of retina. Introduction The retina is the light-sensitive tissue that lines the inside of the eye.

How the Retina Works 75 MB pdf file. This video about ANATOMY and layers of RETINAIt contains all the important points need to know for exams. Optic disc Pale pink in colour.

In most primates the retina is about 200-250 micrometers thick. 15mm All the retina layers terminate hereexcept the nerve fibre which pass through the lamina cribrosa 5. The posterior chamber is located between the iris and anterior periphery of the lens and extends posteriorly behind the lens.

With Cajals 1892 anatomic descriptions of the cell types that constitute the retina in a number of vertebrate species and with an early understanding of the role of visual purple in photochemistry in combination with psychophysical studies of adaptation. Understanding the organization of the vertebrate retina has been the goal of many talented visual scientists during the past 100 years. Fovea divides the retina into nasal and temporal halves thru a vertical line Optic Nerve is used as a central point to describe the retina as having supero and inferonasal and supero and inferotemporal quadrants.

The 1 afferents of the visual system are the rods and cones of the retina ie the photoreceptors and the 2 afferents are the bipolar cells of the retina. Basic Anatomy and Organization of the Retina. Other internal structures include the lens retina and optic nerve.

The optic nerve contains the ganglion cell axons running to the brain and additionally incoming blood vessels that open into the retina to vascularize the retinal layers and neurons Fig. A number of diseases can affect the retina including cancer. Well defined circular area Diameter.

The optical elements within the eye focus an image onto the retina of the eye initiating a series of chemical and electrical events within the retina. The retina is a thin layer of tissue that lines the very back of the inside of the eyeball. The central retinal arterya branch of the ophthalmic arteryand its branches supply the anterior two.

HOPE THIS VIDEO IS HELPFUL FOR YOU GUYSIF YES then please dont forget to like and subscribeyour suggestions are always welcomed. The anterior chamber of the eye is located between the cornea and lens and normally contains the fluid aqueous humor. 1optic disc 2macula lutea 3peripheral retina retina extends from optic disc to ora serrata Surface area266sqmm 4.

The retina is a complex tissue with multiple layers of cells responsible for absorption of light and transmission of this signal to the brain. Simple Anatomy of the Retina. The eye itself is a mostly hollow organ roughly spherical in shape.

This section leans heavily on Wyszecki and Stiles 1982 an excellent book.

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