keeping the cornea moist, clean, and brilliant, and drainage ducts that carry the excess moisture to the interior of the nose. The eye is protected from dust and dirt by the eyelashes, eyelid, and eyebrows. Six muscles extend from the eyesocket to the eyeball, enabling it to move in vari...
The conjunctiva is the thin transparent layer of tissue that lines the inner surface of the eyelid that covers the white part of the eye. Its function is to keep the eye moist and lubricated. Fovea The center of the macula, where your vision is sharpest. ...
eyelid (ˈaɪˌlɪd) n 1.(Anatomy) either of the two muscular folds of skin that can be moved to cover the exposed portion of the eyeball. 2.(Aeronautics)aeronauticsAlso called:clamshella set of movable parts at the rear of a jet engine that redirect the exhaust flow to assist...
eyelid, lid, palpebra - either of two folds of skin that can be moved to cover or open the eye; "his lids would stay open no longer" canthus - either of the corners of the eye where the upper and lower eyelids meet epicanthic fold, epicanthus - a vertical fold of skin over the ...
tear duct and glands optic nerve eyelid visual pigment See all related content Ask the Chatbot a Question human eye, inhumans, specialized senseorgancapable of receiving visual images, which are then carried to thebrain. Anatomy of the visual apparatus ...
eyelid [′ī‚lid] (anatomy) A movable, protective section of skin that covers and uncovers the eyeball of many terrestrial animals. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc. ...
Eyelid:眼睑 Eyelash:睫毛 Lacrimal gland:泪腺 Lacrimal excretory ducts:排泪管 Nictitating membrane:瞬膜/第三眼睑 马的眼部疾病包括与眼睛、眼睑或周围组织的任何结构有关的疾病(包括遗传的、与年龄有关的、免疫介导的或感染的)或创伤后导致的损伤等。通常情况...
There are no muscles that originate or insert directly into the conjunctiva. Instead, some muscles interact with parts of the eye near the conjunctiva. For example, the layers of the eyelid from superficial to deep include the skin, orbicularis oculi muscle, the tarsus, and then the palpebral ...
it is stored in water or contact lens soaking solution. Insertion of the prosthesis is done by lifting the upper eyelid with the thumb or forefinger and placing its notched edge toward the nose. It is placed as far as possible under the upper lid and then the lower lid is depressed to ...
Eyelid anatomy The eyelids are soft tissue structures that cover and protect the anterior surface of the eyeball. The anatomy of the eyelid may seem complex, but if we dissolve its multi-layered structure it is actually quite simple: Skin Subcutaneous tissue Muscle - orbital part of the orbicu...