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What is "oviduct"

Crossword clues for oviduct

oviduct
Longman Dictionary of Contemporary English
oviduct
noun
EXAMPLES FROM CORPUS
▪ A third group act as temporary recipients, incubating the newly reconstructed embryos within their oviducts until they reach the blastocyst stage.
▪ Hence the oocytes are flushed out of the oviducts from below-they are not sucked out from above.
▪ Manipulate the oviducts in a plastic Petri dish or glass cavity block on the heated stage of a binocular directing microscope.
▪ Once the oviduct is blocked, it is difficult to treat by surgery or other means.
▪ So is development: first in the oviduct and then in the uterus.
▪ The female bot fly holds her eggs in her oviduct until they have hatched into maggots.
▪ The fertilised eggs are not then laid but remain inside the female's oviduct.
▪ The oocytes are thus washed out of the top of the oviducts, where they are collected in a catheter.
The Collaborative International Dictionary
Oviduct

Oviduct \O"vi*duct\, n. [Ovum + duct: cf. F. oviducte.] (Anat.) A tube, or duct, for the passage of ova from the ovary to the exterior of the animal or to the part where further development takes place. In mammals the oviducts are also called Fallopian tubes.

Douglas Harper's Etymology Dictionary
oviduct

1757, from Modern Latin oviductus, from ovi ductus "channel of an egg;" see egg (n.) + duke (n.).

Wiktionary
oviduct

n. (context anatomy English) A duct through which an ovum passes from an ovary to the uterus or to the exterior.

WordNet
oviduct

n. either of a pair of tubes conducting the egg from the ovary to the uterus [syn: Fallopian tube, uterine tube]

Wikipedia
Oviduct

In vertebrates, other than mammals, the passageway from the ovaries to the outside of the body is known as the oviduct. In female mammals this passageway is known as the uterine tube or Fallopian tube. The eggs travel along the oviduct. These eggs will either be fertilized by sperm to become a zygote, or will degenerate in the body. Normally, these are paired structures, but in birds and some cartilaginous fishes, one or the other side fails to develop (together with the corresponding ovary), and only one functional oviduct is found.

Except in teleosts, the oviduct does not directly contact the ovary. Instead, the most anterior portion ends in a funnel-shaped structure called the infundibulum, which collects eggs as they are released by the ovary into the body cavity.

The only female vertebrates to lack oviducts are the jawless fishes. In these species, the single fused ovary releases eggs directly into the body cavity. The fish eventually extrudes the eggs through small genital pores towards the rear of the body.

Usage examples of "oviduct".

One minor physiological variation between humans and cows or sheep was very significant for my purposes: In human females the length of the oviducts before they unite to form the corpus uteri is short, leaving less time and space to catch the fertilized egg before it reaches the endometrium and undergoes impregnation there: at which point there can be no hope of transplantation.

The delicate cells lining the interior of the oviducts were helpless in the face of the sudden invading horde.

Female but not male birds possess an oviduct of which one portion secretes albumin (the egg white protein), another portion makes the inner and outer shell membranes, and still another makes the eggshell itself.