Lesson Flashcards: Fertilization and Pregnancy

End of flashcards!

Definition

Amnion

The innermost extraembryonic membrane that encloses a developing embryo or fetus

Got it right
Got it wrong
Definition

Chorionic villi

The extensions from the chorion that associate with the endometrium of the mother’s uterus, forming the placenta

Got it right
Got it wrong
Definition

Dizygotic twins (fraternal twins or nonidentical twins)

Twins that develop from two separate zygotes, where two egg cells are fertilized by two separate sperm cells

Got it right
Got it wrong
Definition

Egg cell (ovum)

The female reproductive cell, or gamete

Got it right
Got it wrong
Definition

Amniotic fluid

The fluid surrounding the embryo or fetus within the amnion that protects the fetus from trauma and temperature fluctuations

Got it right
Got it wrong
Definition

Chorion

The outermost extraembryonic membrane that surrounds the developing embryo or fetus

Got it right
Got it wrong
Definition

Acrosome

A cap-like organelle that coats the anterior of the head of a sperm cell and contains enzymes capable of digesting the coating of an egg cell

Got it right
Got it wrong
Definition

Embryo

The early developmental stage of an organism after a zygote has undergone cleavage and before it develops into a fetus

Got it right
Got it wrong
Definition

Corona radiata

The outer layer of cells surrounding the zona pellucida of an egg cell

Got it right
Got it wrong
Definition

Copulation/sexual intercourse/sex

The biological process in which the male inserts his penis into the female’s vagina

Got it right
Got it wrong

Score

0 %

Are you sure you want to reset?

All your progress will be lost.

Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.