The fetal membranes
Contents
What describes chorion best
A. Does not reach upto the margin of the placenta
B. Thinner than amnion
C. Inner side is covered by vestiges of trophoblastic layer
D. Represents the remnant of chorion laeve
Not a function of Amniotic fluid
A. Prevent ascending uterine infection
B. Facilitate dilatation of the cervix during labor
C. Rich source of glycerophospholipids
D. Provides nutrition to fetus
Not a feature of amniotic membrane
A. It contains two cell types, from different embryological origins
B. Has low immunogenicity and anti-inflammatory properties
C. Consists of a thick basement membrane and an avascular stromal matrix
D. A metabolically inert membrane
Which is true of amniotic fluid
A. An osmolarity of 250 mOsmol/L is suggestive of fetal maturity
B. As pregnancy advances it becomes colorless
C. Thick with the presence of flakes suggests obstructed labor
D. Golden color in postmature pregnancy
Tobacco juice amniotic fluid is found in
A. Post maturity
B. Rh incompatibility
C. IUD
D. Concealed accidental hemorrhage
Which hormone is found in amniotic fluid
A. Estrogen
B. Progesterone
C. Calcitonin
D. Prolactin
In shorts
- Amnion and chorion, both are part of the extraembryonic membranes
- The amnion is a thin but tough sac of membrane that covers an embryo. It is present in the embryonic development of reptiles, birds, and mammals. However, it is not present in the development for amphibians and fish.
- The amnion comprises of mesoderm and ectoderm while the chorion includes the trophoblast and the mesoderm
- Stromal matrix of amnion shows a marked suppression of proinflammatory cytokines, IL-1α, and IL-1β expression. The amnion has been described as antiangiogenic and bacteriostatic, as well as having analgesic properties.
