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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

villus

[′vil·əs]
(anatomy)
A fingerlike projection from the surface of a membrane.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In addition to convoluted outlines of chorionic villi, villous trophoblastic pseudoinclusions, and clusters of villous cytotrophoblasts, the previously unreported focal pseudovillous papilliform trophoblastic proliferation of the undersurface of the chorionic plate and clustering of perpendicularly oriented sclerotic chorionic villi in the chorion laeve were observed in this double trisomy case.
Caption: FIGURE 1: Gram-negative bacilli within chorionic villi (Gram stain, 1000x oil immersion).
Placental chorionic villi from maternal decidua, blood clots and mucus were dissected under a dissecting microscope into fragments a few millimetres in size.
It is adjacent to clots, vast fields of fibrinoid with necrotic immured chorionic villi and calcification foci.
Developing hypertension and preeclampsia is also more common in twins and multiple gestation because of the increased exposure to chorionic villi, which are the tiny, finger-shaped growths located in the placenta and are a rich source of stem cells.
Final diagnosis was based on the presence or absence of chorionic villi on permanent histology of uterine curettage.14 When salpigostomy or salpingectomy was performed, pathological analysis of the removed tissue confirmed the diagnosis of PE.
The more advantage in use of chorionic villi tissue is the early diagnosis on the embryo.
The results obtained with COLD-PCR were in complete concordance with those obtained for fetal DNA extracted from chorionic villi (Fig.