- ventral sac
- 腹囊
English-Chinese dictionary. 2013.
ventral sac
Look at other dictionaries:
sac — 1. A pouch or bursa. SYN: saccus [TA]. SEE ALSO: sacculus. 2. An encysted abscess at the root of a tooth. 3. The capsule of a tumor, or envelope of a cyst. [L. saccus, a … Medical dictionary
ascus sac — (MOLLUSCA: Gastropoda) In Sacoglossa, a storage area for the holder of outgrown teeth usually retained in a spiral or jumbled heap in the pharynx; ventral sac … Dictionary of invertebrate zoology
Yolk sac — Infobox Embryology Name = Yolk sac Latin = GraySubject = 11 GrayPage = 54 Caption = Human embryo of 2.6 mm. Caption2 = Human embryo from thirty one to thirty four days System = CarnegieStage = 5b Days = 9 Precursor = endoderm GivesRiseTo =… … Wikipedia
Yolk sac — Not all yolk has to do with birds’ eggs. Human embryos have a yolk sac, a membrane outside the embryo but connected by a tube (the yolk stalk) though the umbilical opening to the embryo’s midgut. The yolk sac serves as an early site for … Medical dictionary
Corinnid sac spider — Corinnid sac spiders Supunna species photographed in Berowra, Australia. Scientific classification Kingdom … Wikipedia
Greater sac — The greater sac or general cavity (red) and lesser sac, or omental bursa (blue) … Wikipedia
yolk sac — vitelline sac the membranous sac, composed of mesoderm lined with endoderm, that lies ventral to the embryo. It is one of the extraembryonic membranes. Its initially wide communication with the future gut is later reduced to a narrow duct passing … The new mediacal dictionary
Lung sac — Lung Lung (l[u^]ng), n. [OE. lunge, AS. lunge, pl. lungen; akin to D. long, G. lunge, Icel. & Sw. lunga, Dan. lunge, all prob. from the root of E. light. [root]125. See {Light} not heavy.] (Anat.) An organ for a[ e]rial respiration; commonly in… … The Collaborative International Dictionary of English
yolk sac — n. Zool. 1. a saclike vascular membrane containing yolk, an outgrowth from the ventral surface of very yolky vertebrate embryos, as those of fishes, birds, or reptiles, that supplies nourishment to the embryo 2. a homologous organ in most… … English World dictionary
aortic sac — the homologue in mammalian embryos of the ventral aorta, from which arise the arteries of the pharyngeal arches … Medical dictionary
Rumen — The rumen, also known as a paunch, forms the larger part of the reticulorumen, which is the first chamber in the alimentary canal of ruminant animals. It serves as the primary site for microbial fermentation of ingested feed. The smaller part of… … Wikipedia
