Biology Questions and Answers
and antibodies. From the fetus to the
mother, murea (nitrogen waste),etabolic wastes, and carbo includingn
dioxide.
- Is there a exchange of
cells between the mother and
the fetus through the
placenta?
Under normal copassage of cells acrossnditions, th the placentaere is no
during gestation. Tsmooth mucosa separating thhe placenta he richlyas a (^)
vascularized region in contact with the
mother’s endometrium fumbilical cord in contactrom th with the fetale (^)
blood. This barrier is known as placental
barrier. substancesAlthoug (selective ph permeable to somermeability) thee (^)
placental barrier forbids the passage of
cells.
- What are the endocrine
functions of the placenta?
The placenta has endocrine functionsince it secretes the hormones
progesterone and estrogen that
maintain covering of the uterus) and preventthe endometrium (internal
menses dalso secretes other important hormonesuring pregnancy. The placenta (^)
for pregnancy regulation.
- What is the function of the
umbilical cord?
The umbilical cord is a set of blood
vessels that coplacenta. In the fetus one extremity onnects the fetus with thfe
the cord inserts into the center of the
abdominal wall (the later scarinsertion is the umbilicus or navel). of this
The function oallow the transf the umbilical cord is toport of substances,
nutrients, gases and residuals, between
the fetus and the mother’s body.
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