| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,769,166,269 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
eyelid |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia | 0.03 sec. |
|
eyelid /eye·lid/ (-lid) either of two movable folds (upper and lower) protecting the anterior surface of the eyeball.
eyelid Etymology: AS, eage + hlid one of two movable folds of protective thin skin over the eye, with eyelashes and ciliary and meibomian glands along its margin. It consists of loose connective tissue containing a thin plate of fibrous tissue lined with mucous membrane (conjunctiva). The orbicularis oculi muscle and the oculomotor nerve control the opening and closing of the eyelid. The upper and lower eyelids are separated by the palpebral fissure. Also called palpebra [pal′-pəbrə] . eyelid either of two movable cutaneous folds (upper and lower) protecting the anterior surface of the eyeball. Most mammals and birds have a third eyelid that moves across the eye from the medial canthus. eyelid abnormality includes entropion, ectropion, ptosis. eyelid coloboma a congenital, full thickness defect of varying degrees in an eyelid margin. eyelid drooping see ptosis. eyelid eversion see ectropion. eyelid inflammation see blepharitis. eyelid inversion see entropion. premature opening eyelid opening of eyelids in puppies and kittens before the normal age of 7 to 10 days may result in exposure keratitis because of inadequate production of tears. eyelid snapping winking. eyelid speculum an instrument used to keep the eyelids apart. third eyelid see membrana nictitans. Patient discussion about eyelid drooping. Q. eyelids what causes your eye lids too twitch? my left eye lid has been twitching on and off for about a week what causes it and how can i get it to stop. A. Not an answer, just another question - how long can this go on? My eyelid has been twitching, (likely lack of sleep) for almost a month now. Any treatment that I should seek? Read more or ask a question about eyelid droopingHow to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| Medical browser | ? | ? Full browser | |||
|---|---|---|---|---|---|
eyeground eyehooks eyelash eyelash sign eyelashes eyelid Eyelid Disorders eyelid drooping eyelid inflammation eyelids eyelift eyepiece eyesight eyesize eyestrain |
| ||||
| Medical Dictionary |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|