Oestrus

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Oestrus

 [es´trus]
a genus of botflies. O. o´vis deposits its larvae in the nostrils of sheep and goats and can cause ocular myiasis in humans.

Oestrus

(es'trŭs),
A genus of tissue-invading flies that cause myiasis in sheep; the head botflies in the family Oestridae. Oestrus ovis (a nose fly) is a grayish brown, robust, hairy, beelike botfly, imported from Europe, and now a serious pest in parts of the U.S.; larvae are deposited by the adult fly in the nostrils of sheep, and inch-long larvae develop in the paranasal sinuses, causing considerable mucous discharge and distress in old or weak sheep.
[G. oistros, gadfly]

Oestrus

/Oes·trus/ (es´trus) a genus of botflies. O. o´vis deposits its larvae in nasal passages of sheep and goats, and may cause ocular myiasis in humans.

oestrus

(ĕs′trəs)
n.
Variant of estrus.

es·trus

(es'trŭs)
That portion or phase of the sexual cycle of female animals characterized by willingness to permit coitus; readily detectable behavioral and other signs are exhibited by animals during this period.
Synonym(s): estruation, heat (2) , oestrus.
[G. oistros, mad desire]

Oestrus

A genus of flies whose larvae can parasitize humans and animals. The larvae can attach themselves with hooks to the CONJUNCTIVA and may cause serious damage to the eye.

Oestrus

a genus of bot flies in the family Oestridae.

Oestrus ovis
a widespread species that deposits its larvae on the nostrils of sheep and goats. Invasion of the nasal cavity causes irritation manifested by sneezing, nose rubbing, noisy breathing and nasal discharge. It may cause ocular myiasis in humans. Called also sheep nasal bot fly.

oestrus

see estrus.