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Related to Chorionic villi: hydatidiform mole


The outer membrane enclosing the embryo in reptiles, birds, and mammals. In placental mammals it contributes to the development of the placenta.

[Greek khorion; see gherə- in Indo-European roots.]

cho′ri·on′ic (-ŏn′ĭk) adj.
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Adj.1.chorionic - of or relating to a chorion; "a chorionic villus is a minute vascular projection on the fetal chorion"
References in periodicals archive ?
We discarded the first 1-2 mL of the AC specimen and dissected chorionic villi from maternal decidua carefully to avoid maternal cell contamination.
Trophoblast proliferation is histologically characterized by abnormalities in chorionic villi such as stromal edema and villous trophoblast proliferation and classified as hydatidiform mole and gestational trophoblastic neoplasia after mole.
Specimens from two of the four cases were positive by immunohistochemistry: viral antigen was noted in mononuclear cells (presumed to be glial cells and neurons within the brain) of one newborn, and within the chorionic villi from one of the miscarriages.
With the needle in place, the chorionic villi were aspirated by to and fro movement.
Samples included chorionic villi from products of curettage (n = 19), placenta (n = 12), amniotic cells (n = 9) and biopsy specimens (n = 37).
In order to determine the area of afunctional zones, terminal villi and immature forms of chorionic villi, we performed stereomorphometric study of the volumetric ratios of structural components of the placenta via the ocular grid for cytological studies by the method of Avtandilov G.
chorionic villi, cultured cells, bone marrow, tissue biopsy, mouth wash, plasma and lymphocytes.
In fact, many authors include a flow chart in which an abnormal rise usually is followed by a recommendation to empty the uterus in an attempt to find chorionic villi.
Medical record reviews showed that the intervention group was significantly less likely to pursue amniocentesis or chorionic villi sampling than was the control group (5.
11] indicate that total volume of chorionic villi (terminal and others) of the placentas of the mother with sideropenic anemia counts 157.