Examlex
The optic disc is forms a blind spot where the optic nerve leaves the eyeball.
Fissure
An ulcer, split, crack, or tear in the tissue.
Dermis
The thick layer of living tissue below the epidermis that forms the true skin, containing sweat glands, hair follicles, and connective tissue.
Integumentary
Pertaining to the covering of the body, including skin, hair, nails, and related glands, serving as a protective barrier.
Constrict
To narrow; to become smaller because of contraction of a sphincter muscle.
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