Notes in Unit 7: Eye Anatomy

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Published	08/18/2023	The bony orbit of the eye houses the 1) .. 2).. 3)..
Published	08/18/2023	The optic nerve leaves the ____ ___ to enter the cranial cavity
Published	08/18/2023	What is structure 11?
Published	08/18/2023	Where are the photoreceptors located?
Published	08/18/2023	What are the three layers (tunics) of the eye?
Published	08/18/2023	The sclera and cornea are part of which tunic?
Published	08/18/2023	What is the opaque "white of eye" portion of the eye called?
Published	08/18/2023	The transparent part of the fibrous tunic is ____ and is located ____
Published	08/18/2023	The Vascular tunic includes what three parts
Published	08/18/2023	what is the function of the choroid?
Published	08/18/2023	The ___ is located anteriorly in the vascular tunic and is responsible for eye color
Published	08/18/2023	The neural tunic includes which two layers?
Published	08/18/2023	The ___ ___ contains the photoreceptors in the neural tunic
Published	08/18/2023	Where do the photosensitive retina end?
Published	08/18/2023	The sclera is ____ and innervated with ____ fibers
Published	08/18/2023	What is this?
Published	08/18/2023	What are the functions of the Sclera?
Published	08/18/2023	Is the Cornea transparent?
Published	08/18/2023	The cornea is avascular...but where does it get its nutrients?
Published	08/18/2023	T or F: The cornea is highly innervated and not very sensitive
Published	08/18/2023	What is the importance of the cornea?
Published	08/18/2023	How many histologically distinct layers are there of the cornea..name them.
Published	08/18/2023	The corneal epithelium has 5-7 layers of what type of muscular tissue?
Published	08/18/2023	What is the turnover rate of corneal epithelium?
Published	08/18/2023	The stroma of the Cornea is responsible for what percentage of the corneal thickness?
Published	08/18/2023	What is lamella organization in the stroma?
Published	08/18/2023	What are the two important aspects that allow for the transparency and refraction of light in the stromal layer in the Cornea?
Published	08/18/2023	What covers the sclera anteriorly (in front of) and lines the internal surface of the eyelid without covering the cornea?
Published	08/18/2023	The epithelium in the Conjunctive varies by location: near the lid margin what is the epithelium classified as?
Published	08/18/2023	The epithelium in the Conjunctive varies by location: passing the sclera what is the epithelium classified as
Published	08/18/2023	What does the epithelium in the conjunctiva have that contributes to tearing?
Published	08/18/2023	_____ (pink eye) is the inflammation of the _____
Published	08/18/2023	Conjunctivitis is caused by _____ and can be easily spread between people. Also caused by inflamation from irritants
Published	08/18/2023	Beyond the Sclera you have a layer of the _____ that is highly vascularized and has pigmented loose connective tissue
Published	08/18/2023	The blood vessels in the choroid supply what layers (2)?
Published	08/18/2023	The ___ ___ give the choroid its dark appearance. They also function in ____. Why is it important?
Published	08/18/2023	The ciliary body of the vascular tunic include ____ and ____. Fx?
Published	08/18/2023	The ciliary body is lined with a Double layer of cuboidal epithelium. What are these two layers?
Published	08/18/2023	What are the main funcitons of the ciliary body?
Published	08/18/2023	Ciliary processes have an abundance of ___ ___ that allow for the fluid of the blood vessels to leak out
Published	08/18/2023	The fluid out of the blood vessels through the fenestrated capillaries is called the ____
Published	08/18/2023	What is the importance of aqueous humor?
Published	08/18/2023	What is the movement pattern of the aqueous humor production?
Published	08/18/2023	If the aqueous humor is not reabsorbed what will it lead to?
Published	08/18/2023	What fibers radiate from the ciliary body and insert into the lens capsule? A group of these is called the _____ of the lens
Published	08/18/2023	The zonular fibers and the suspensory ligaments allow for what of the lens?
Published	08/18/2023	Why change the shape of the lens?
Published	08/18/2023	Relaxation of the ciliary muscles ____ tension on the zonular fibers which causes the lens to ____ (___ convex) allowing for the eye to focus on ____ …
Published	08/18/2023	Contraction of the ciliary muscles ____ tension on the zonular fibers cuasing the lens to ____; becoming ____ convex allowing the eye to focus on…
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Published	08/18/2023	The anterior extension of the vascular tunic is called the ___
Published	08/18/2023	The posterior surface of the iris is composed of _______; what is the function of these cells
Published	08/18/2023	The anterior surface of the iris and the stroma contain ____ which have the melanin containing cells
Published	08/18/2023	in the iris _____  eyes have higher # of melanocytes
Published	08/18/2023	in the iris _____  eyes have lower # of melanocytes
Published	08/18/2023	The ____ ___ within the stroma of the iris adjusts the pupillary aperature
Published	08/18/2023	____ ____ is radially oriented smooth muscle of the iris and the ___ ___ is the circumfentially oriented
Published	08/18/2023	The lens of the eye is ___ (shape)
Published	08/18/2023	T/F: The lens is transparent and does not have any blood vessels or nerves
Published	08/18/2023	What are the three regions of the lens
Published	08/18/2023	The __ __ completely envelops the lens and often called the basal lamina
Published	08/18/2023	What are the lens capsules produced by
Published	08/18/2023	The subcapsular epithelium is a single layer of ____ ____ along the ____ surface of the lens
Published	08/18/2023	At the ____ of the subcapsular epithelium the epithelial cells proliferate and give rise to the lens fibers
Published	08/18/2023	Elongated cells of the lens are called __ ___ and generate at a ____ rate throughout life
Published	08/18/2023	Lens fibers are developed by the ___ ____ in the  ____ ___ ___
Published	08/18/2023	What is a disease of the lens that is common with advancing age and causes opaque lens
Published	08/18/2023	The majority of the eye is composed of a transparent, gel like compartment called the ___ ____
Published	08/18/2023	The vitreous body is composed mostly of what? What is the significance?
Published	08/18/2023	What are the functions of the vitreous body
Published	08/18/2023	What are floaters?
Published	08/18/2023	The retinal pigment epithelium in the neural tunic is a ___ layer of ___ cells with nuclei that is located ____
Published	08/18/2023	Functions of the RPE include:
Published	08/18/2023	The tight junctions in the RPE forms the ___
Published	08/18/2023	Why is the blood-retina-barrier important?
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Published	08/18/2023	The fovea is a region of the ____ that contains the highest density of ___ and is specialized for high ____ vision
Published	08/18/2023	What is the exit point of the retinal ganglion cell axons called? This is often called the ____
Published	08/18/2023	Why are we "blind" to images at the optical disk of the retina?
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