palpebra


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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 ?
Revisao de literatura: tecnicas cirurgicas para reducao da protrusao da glandula da terceira palpebra em caes.
i) Registramos piscadas na trilha dos olhos, sem saber, naquela ocasiao, se elas tinham um estatuto linguistico, ou se eram movimentos naturais das palpebras, sem qualquer significacao particular.
Sonolento (SO): olhos geralmente abertos (embacados) com palpebra pesada, tremula e/ ou fechada; nivel de atividade motora espontanea variavel e suave.
Quanto ao local, as feridas predominantes foram as localizadas nos membros com 37,5% dos casos, seguido de regiao toracica (25%), pescoco (12,5%), abdomen (12,5%), face (6,25%) e palpebra inferior (6,25%).
The redness of the conjunctiva does not extend to the limbus and is usually intensified in the combination region of the palpebra and bulber conjunctiva (2).
Anoitecer" sugere a agonia do Ocidente, em que se fecha "a palpebra do dia" e
Entretanto, ainda existem outras estruturas oftalmicas com tecido linfoide e extensa malha vascular e que sao de localizacao externa, como as conjuntivas oculares e a terceira palpebra.
Em caes e gatos esses sinais clinicos incluem miose, ptose palpebral, enoftalmia e protrusao da terceira palpebra (1, 3, 4, 6-15) e, em alguns casos, ainda pode ser observado um aumento da temperatura da face e da regiao do pavilhao auricular externo (2, 5, 11).