palpebra

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Related to palpebrae: lacrimal caruncle

palpebra

 [pal´pĕ-brah] (L.)
eyelid. adj., adj pal´pebral.

eye·lid

(ī'lid), [TA]
One of two movable folds that cover the front of the eyeball when closed; formed of a fibrous core (tarsal plate) and the palpebral portions of the orbicularis oculi muscle covered with skin on the superficial, anterior surface and lined with conjunctiva on the deep, posterior surface; rapid contraction of the contained muscle fibers produces blinking; each has fixed (orbital) and free margins, the latter separated centrally by the palpebral fissure, united at the lateral and medial palpebral commissures, and bearing eyelashes, openings of tarsal and ciliary glands and (medially) the lacrimal puncta.
Synonym(s): palpebra [TA], blepharon, lid

palpebra

/pal·pe·bra/ (pal´pĕ-brah) pl. pal´pebrae   [L.] eyelid.pal´pebral

palpebra

(păl′pə-brə, păl-pē′-)
n. pl. palpe·brae (-brē′) also palpe·bras
An eyelid.

pal′pe·bral (păl′pə-brəl, păl-pē′brəl, -pĕb′rəl) adj.

palpebra

See eyelid.

eye·lid

(ī'lid) [TA]
One of the two movable folds covering the front of the eyeball when closed; formed of a fibrous core (tarsal plate) and the palpebral portions of the orbicularis oculi muscle covered with skin on the superficial, anterior surface and lined with conjunctiva on the deep, posterior surface; rapid contraction of the contained muscle fibers produces blinking; they each have fixed (orbital) and free margins, the latter separated centrally by the palpebral fissure, united at the lateral and medial palpebral commissures, and bearing eyelashes, the openings of tarsal and ciliary glands and (medially) the lacrimal puncta.
Synonym(s): palpebra [TA] , blepharon, lid.

palpebra

pl. palpebrae [L.] eyelid.

Patient discussion about palpebra

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?

More discussions about palpebra
References in periodicals archive ?
d) The levator palpebrae superioris is a target of its parasympathetic outflow
The nerve fibers to levator palpebrae muscle and the pupil loconstrictor fibers for the muscles of the iris are located in a superficial and dorsal position on the nerve relaying in the ciliary ganglion.
Long-term correction of ptosis requires surgical manipulation of the levator palpebrae superioris muscle and/or Muller's muscle.