Describe the chorionic villi
A) The chorionic villi contain fluid that surrounds and cushions the embryo or fetus.
B) The chorionic villi forms the interface between the embryonic/fetal system and the amniotic fluid.
C) The chorionic villi forms the umbilical cord.
D) The chorionic villi are structures that extend into the maternal tissues through which maternal blood flows.
E) The chorionic villi form the yolk sac.
Answer: D
You might also like to view...
Binding of ACh to all muscarinic receptors is excitatory, but binding of Ach to nicotinic receptors may be excitatory or inhibitory
Indicate whether the statement is true or false
A bundle of nerve cells or fibers is called a ____
a. fascicle b. nerve c. neuroglia d. neuron
Hemolytic disease of the newborn may result if
A) the mother is Rh positive and the father is Rh negative. B) both the father and the mother are Rh negative. C) both the father and the mother are Rh positive. D) an Rh-negative mother carries an Rh-positive fetus. E) an Rh-positive mother carries an Rh-negative fetus.
Which of the following is not true about rhodopsin?
A) called visual purple B) bleached during photoreception C) is the visual pigment in rods D) consists of opsin + retinal E) activates transducin