Unit 4 lab review

Which of the following tubular structures in the male reproductive system function only in transport?

• seminiferous tubule

• epididymis

• ductus deferens

Sperm are produced in the:

• ductus deferens

• leydig (interstitial) cells

• seminiferous tubules

• epididymis

Identify the indicated cell.

• spermatid

• primary spermatocyte

• secondary spermatocyte

• spermatogonium

Identify the indicated cell.

• primary spermatocyte

• interstitial (Leydig) cell

• spermatid

• Sertoli (nurse) cell

How many polar bodies can be made during oogenesis?

• just 1

• just 2

• 2 or 3

After fertilization, the normal site of implantation is the:

• endometrium of uterus

• myometrium of uterus

• corpus luteum

• ovarian duct

The end of gastrulation marks the beginning of the:

• fetus

• embryo

• morula

• blastoderm

_________ gives rise to epidermis of skin; _______ gives rise to epithelial linings of internal organs.

• endoderm/ectoderm

• ectoderm/endoderm

The ____ becomes part of the umbilical cord.

• allantois

• chorion

• amnion

Before birth, the primary oocyte is arrested in:

• metaphase I

• metaphase II

• prophase I

• prophase II