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Definition of oviduct in English: oviductnoun ˈəʊvɪdʌktˈoʊvəˌdəkt Anatomy Zoology The tube through which an ovum or egg passes from an ovary. 〔剖，动〕输卵管 Example sentencesExamples - Their lungs, liver, spleen, kidneys, ovaries and oviducts were all infected.
- In females, in the absence of the testes, the Müllerian ducts develop into the oviducts, which transport eggs from the ovaries to the uterus, while the Wolffian ducts degenerate.
- The paired eggs suggest that these dinosaurs retained two functioning ovaries and oviducts, each producing a single egg at a time.
- The innermost parts of these ducts remain separate, and become the Fallopian tubes, or oviducts; the lower parts fuse, and develop into the uterus and vagina.
- Mature eggs pass from the oviduct along the ovipositor to be placed between leaves, along with an adhesive that attaches the eggs to the leaves and keeps the leaves together.
Derivativesadjective əʊvɪˈdjuːk(ə)l Anatomy Zoology A special gland in the female, unique to elasmobranchs and known as the oviducal, nidamental, or shell gland, produces the egg case. Example sentencesExamples - In Afrixalus, the leaf-folding frog, mating pairs construct an over-water leaf nest by folding leaves together with their legs, and gluing them together with oviducal secretions.
adjective əʊvɪˈdʌkt(ə)l Anatomy Zoology Thus, it is puzzling that Great Tits had about twice as much oviductal sperm. Example sentencesExamples - The researchers are focusing on differences in gene expression within cells in a special site inside the hen's reproductive tract, called the oviductal sperm-storage tubules (SSTs).
- Several studies have shown that mammalian embryos, exposed in vivo to hyperosmotic oviductal fluids, grow better in vitro in hyperosmotic media when provided organic osmolytes.
- Furthermore, estrogen was found to inhibit PAI1 protein synthesis in oviductal cells.
- Further, no emigrating females had oviductal eggs, suggesting total reproductive failure during that year.
Definition of oviduct in US English: oviductnounˈōvəˌdəktˈoʊvəˌdəkt Anatomy Zoology The tube through which an ovum or egg passes from an ovary. 〔剖，动〕输卵管 Example sentencesExamples - In females, in the absence of the testes, the Müllerian ducts develop into the oviducts, which transport eggs from the ovaries to the uterus, while the Wolffian ducts degenerate.
- Their lungs, liver, spleen, kidneys, ovaries and oviducts were all infected.
- The paired eggs suggest that these dinosaurs retained two functioning ovaries and oviducts, each producing a single egg at a time.
- The innermost parts of these ducts remain separate, and become the Fallopian tubes, or oviducts; the lower parts fuse, and develop into the uterus and vagina.
- Mature eggs pass from the oviduct along the ovipositor to be placed between leaves, along with an adhesive that attaches the eggs to the leaves and keeps the leaves together.
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