Allantoic stalk
allantoic stalk
allantoic stalk n.
The narrow connection between the intraembryonic portion of the allantois and the extraembryonic allantoic vesicle.
Historical Examples
Krause maintains that all the other embryos shewing an allantoic stalk at an early age are pathological.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour
The intra-embryonic portion of the allantoic stalk gives rise to two structures, viz.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour
The allantoic stalk, if present, was not clearly made out, and the condition of the amnion was also not fully studied.
The Works of Francis Maitland Balfour, Volume III (of 4) Francis Maitland Balfour
Read Also:
- Allantoid
Also, allantoidal [al-uh n-toid-l] /ˌæl ənˈtɔɪd l/ (Show IPA). . the allantois. adjective relating to or resembling the allantois (botany) shaped like a sausage noun another name for allantois allantoid al·lan·toid (ə-lān’toid’) or al·lan·toid·al (āl’ən-toid’l) adj. Of or having an allantois. Shaped like a sausage. n. See allantois.
- Allantoid membrane
allantoid membrane allantoid membrane n. Allantois.
- Allantois
a vascular, extraembryonic membrane of birds, reptiles, and certain mammals that develops as a sac or diverticulum from the ventral wall of the hindgut. Historical Examples An embryonic appendage, the allantois, used in reptiles and birds for respiration, has here been turned to another purpose. The Whence and the Whither of Man John Mason Tyler […]
- Allantoidoangiopagous twins
allantoidoangiopagous twins allantoidoangiopagous twins al·lan·toi·do·an·gi·op·a·gous twins (āl’ən-toi’dō-ān’jē-ŏp’ə-gəs) pl.n. Unequal monozygotic twins with fusion of their allantoic vessels within the placenta. Also called omphaloangiopagous twins.
- Allantoin
a white powder, C 4 H 6 N 4 O 3 , produced by oxidation of uric acid and the major excretory product of purine degradation in many vertebrates: used medicinally to heal skin ulcers and in lotions, lipsticks, etc., for its soothing effect. noun a substance derived from the secretions of snails and contained […]