Match each term with its definition or description.
-Moment when the ova and sperm unite
A)Zygote
B)Morula
C)Blastocyst
D)Placenta
E)Fetus
F)Embryo
G)Ectoderm
H)Mesoderm
I)Endoderm
J)Histogenesis
K)Amniotic cavity
L)Implantation
M)Organogenesis
N)Fertilization
O)Yolk sac

Question

Quizplus · Accepted Answer

Fertilization is the moment when the ova and sperm unite.

Answer: A
 Zygote refers to the cell formed by the fusion of a sperm and an ovum.

Answer: L
 Implantation is the process by which the blastocyst attaches itself to the wall of the uterus.

Answer: F
 Embryo refers to the stage of development from the formation of the zygote until the end of the eighth week of gestation.

Answer: M
 Organogenesis refers to the process by which the organs of the body are formed during embryonic development.

Answer: E
 Fetus refers to the stage of development from the ninth week of gestation until birth.

Answer: K
 Amniotic cavity is the fluid-filled sac that develops around the embryo and protects it during gestation.

Answer: D
 Placenta is the organ that connects the developing fetus to the uterine wall, allowing for nutrient and waste exchange between the mother and the fetus.

Answer: G, H, I
 Ectoderm, mesoderm, and endoderm refer to the three germ layers that form during early embryonic development and give rise to the different tissues and organs of the body.

Answer: J
 Histogenesis refers to the process by which tissues are formed during embryonic development.

Answer: B
 Morula refers to the solid ball of cells that forms several days after fertilization.

Answer: O
 Yolk sac is a membrane that forms around the embryo and serves as the source of early nourishment before the placenta develops.

Match Each Term with Its Definition or Description