cilia (redirected from eyelid cilia)

cilia /cil·ia/ (sil´e-ah) sing. cil´ium   [L.]

1. the eyelids or their outer edges.

2. the eyelashes.

3. minute hairlike processes that extend from a cell surface, composed of nine pairs of microtubules around a core of two microtubules. They beat rhythmically to move the cell or to move fluid or mucus over the surface.

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Cilia

Tiny, hair-like projections from a cell. In the respiratory tract, cilia beat constantly in order to move mucus and debris up and out of the respiratory tree, in order to protect the lung from infection or irritation by foreign bodies.

Mentioned in: Bronchiectasis, Pneumonia, Sinusitis, Situs Inversus, Whooping Cough

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cilia

[sil′ē·ə] sing. cilium

Etymology: L, eyelids or eyelashes

1 the eyelids or eyelashes.

2 small, hairlike processes projecting from epithelial cells on the outer surfaces of some cells, aiding metabolism by producing motion, eddies, or current in a fluid. In the lung, cilia wave mucus, pus, and dust upward.

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cilia

[L.] plural of cilium.

1. the eyelashes.

2. minute hairlike processes that extend from a cell surface, composed of nine pairs of microtubules around a core of two microtubules. They beat rhythmically to move the cell or to move fluid or mucus over the surface. Of particular importance in the respiratory epithelium, contributing greatly to the mucociliary escalator.

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cilia-associated respiratory (CAR) bacillus

gram-negative bacterium associated with severe respiratory disease in rats and possibly mice; usually associated with Mycoplasma pulmonis infection.

conjunctival cilia

see ectopic cilia (below).

ectopic cilia

arise from the conjunctival surface of the eyelids and cause corneal irritation.

eyelid cilia

the eyelashes; smaller and shorter on the lower lids and may be absent altogether in dogs and pigs. There are also longer tactile hairs on the external surface of the eyelids.

immotile cilia syndrome

see immotile cilia syndrome.

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cilia 

The eyelashes (singular: cilium).