villus

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Related to Chorionic villi: hydatidiform mole

villus

1. Zoology anatomy any of the numerous finger-like projections of the mucous membrane lining the small intestine of many vertebrates
2. any similar membranous process, such as any of those in the mammalian placenta
3. Botany any of various hairlike outgrowths, as from the stem of a moss

villus

[′vil·əs]
(anatomy)
A fingerlike projection from the surface of a membrane.
References in periodicals archive ?
We analysed 70 DNA samples extracted from chorionic villi of products of SM, skin fibroblasts, amniotic cells and products of curretage.
Intervillous space is narrowed, contains common loci of bleeding, blood clots, fibrinoid fields and cobs, chorionic villi that are close to each other.
Then Handschuh K et al17 compared hCG secretion by primary cultures of VCT and EVCT isolated from the same first trimester human chorionic villi.
The defects of chorionic villi sampling is the possibility of embryonic sample impurity with mother cells that is more the impurity with amino synthesis method.
Once the needle was adequately placed, the chorionic villi were aspirated with a to and fro jiggling movement of the aspiration needle and a suction force was applied through a syringe.
Potential) false-negative diagnoses in chorionic villi and a review of the literature.
Maternal blood enters the intervillous spaces through the spiral arterioles and bathes the chorionic villi.
Amniotic fluid, chorionic villi, or fetal serum can be tested for congenital infection, but the sensitivity, specificity, and predictive value of fetal diagnostic testing are not known (MMWR 53[7]:154-57, 2004).
The procedure, chorionic villi sampling (CVS), has been used in the past 10 years at prenatal diagnostic centers, including hospitals, outpatient clinics and obstetricians' offices.
The majority of the samples were uncultured amniotic fluid and chorionic villi.
Microscopic examination of the placental disc, using routine hematoxylin-eosin staining, revealed secondary and tertiary chorionic villi that were enlarged, even for 21 weeks' gestation, with focally marked stromal edema (Figure 1, A through C).