Oestrus


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Related to Oestrus: oestrous cycle, Oestrus ovis

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.
References in periodicals archive ?
When there is maximum air temperature during April and May, very less number of buffaloes exhibit postpartum oestrus and there is a negative correlation (r = -0.
Three cases of ophthalmomyiasis externa by sheep botfly Oestrus ovis in Italy.
Female cats in oestrus often cry aloud to attract other tom cats in the area.
Emerging infections: an outbreak of human external ophthalmomyiasis due to Oestrus ovis in southern Afghanistan.
We have an old female who regularly comes in oestrus, but neither male has been able to get her pregnant.
Other studies have shown that women become more confident during oestrus, which may affect a dancer's performance.
In Le Guin's more recent fictional return to Gethen in 'Coming of Age in Karhide' (2003), the story's first person narrator, Sov, tells of his/hers first experience of 'kemmer' (akin to oestrus in many mammalian species, but without biological gender differentiation at other times).
In addition, once spontaneous ovulation in some mammals was discovered, physicians drew a correlation between women's menstruation and oestrus in animals.
In the same period conception rates have fallen by 1% a year, irregular oestrus cycles have increased from 32% to 44%, teat end milk flow rates have doubled and the chance of mastitis has increased by a massive twelvefold.
Estrogens are a group of steroid compounds, named for their importance in the oestrus cycle, functioning as the primary female sex hormone.
They are non-violent; they should have no interest in religion (a source of conflict throughout history); and the female of the species goes into oestrus on a regular schedule so that sexual tension of every sort no longer exists.