Which is part of the vascular tunic of the eye?
Which is part of the vascular tunic of the eye?
The eye is made up of three layers: the outer layer called the fibrous tunic, which consists of the sclera and the cornea; the middle layer responsible for nourishment, called the vascular tunic, which consists of the iris, the choroid, and the ciliary body; and the inner layer of photoreceptors and neurons called the
What makes up the three layers of the eye?
The eye is made up of three layers: the outer layer called the fibrous tunic, which consists of the sclera and the cornea; the middle layer responsible for nourishment, called the vascular tunic, which consists of the iris, the choroid, and the ciliary body; and the inner layer of photoreceptors and neurons called the nervous tunic.
Which is structure of the eye is avascular?
However, the transparent structures of the eye (e.g. central cornea, lens, vitreous) are avascular and yet are still subject to repair and fibrosis. Moreover, the resulting ophthalmic scars often remain avascular. Subsequently, question is, what are the 3 layers of the eyes?
What makes up the middle layer of the cornea?
The middle layer of the cornea, between the two membranes is called the stroma and makes up 90% of the thickness of the cornea. From the cornea, light passes through the pupil. The amount of light allowed through the pupil is controlled by the iris, the colored part of the eye. The iris has two muscles: the dilator muscle and the sphincter muscle.
Which is the fibrous outer layer of the eye?
The fibrous outer layer of the eye which retains the overall shape of the eye is the _____. Select all that apply. The outer ear consists of the _____. The primary nerve which transmits the sensations of smell is the _____ nerve.
Where is the transparent liquid located in the eye?
Transparent liquid which is located between the cornea and iris Ciliary muscles Muscles attached to the lens to change its shape Cone A photoreceptor cell which functions best in bright light. It detects color Cornea The transparent portion of the sclera at the front of the eye Iris a special part of the choroid layer composed of colorful tissue
Where are photoreceptor cells located in the eye?
A photoreceptor cell which functions best in bright light. It detects color Cornea The transparent portion of the sclera at the front of the eye Iris a special part of the choroid layer composed of colorful tissue Optic nerve The nerve connecting the eye to the brain Photoreceptor Specialized cells located in the retina that receive light images