sac

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Related to chorionic sac: Chorionic villi, extraembryonic mesoderm

Sac:

see Sac and FoxSac and Fox,
closely related Native Americans of the Algonquian branch of the Algonquian-Wakashan linguistic stock (see Native American languages). Sac and Fox culture was of the Eastern Woodlands area with some Plains-area traits (see under Natives, North American).
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sac

[sak]
(biology)
A soft-walled cavity within a plant or animal, often containing a special fluid and usually having a narrow opening or none at all.
(mapping)
Indentation in the contour lines of equal depth showing submarine relief.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

sac

a pouch, bag, or pouchlike part in an animal or plant
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

SAC

1. An early system on the Datatron 200 series.

[Listed in CACM 2(5):16 (May 1959)].
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References in periodicals archive ?
(8) As the amniotic sac enlarges, it gradually obliterates the chorionic sac, with complete fusion by 12 weeks gestational age.
A 5- to 8-mm chorionic sac seen earlier than 5 weeks' gestation probably represents inaccurate dating or a shortened follicular phase resulting from earlier ovulation.
Intermediate trophoblasts are located in the villi, the implantation site, and the chorionic sac.

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