Ch. 16 reproductive system

Following their production in the seminiferous tubules, immature sperm cells are transferred to the ____________.

Since the pH of the female vagina is not suitable for the survival of sperm, secretions from the __________ gland of the male are necessary component of semen to raise the pH.

Sperm and egg cells contain half of the __________ number of chromosomes found in body cells.

FHS in males targets __________ cells, although the function of the hormones is not fully understood.

The head of a sperm is covered by the __________, which contains enzymes that help penetrate the layers of cells surrounding the egg.

In humans, fertilization occurs in the __________.

A common tissue between the fetus and the endometrium that provides nourishment to the developing fetus is the __________.

The muscular layer of the uterus that provides the force necessary to expel the baby during birth is the __________.

The vagina meets the uterus at the __________.

The regular pattern by which oocytes grow, mature, and are released from the ovary is know as the __________.

Ovulation occurs during the __________ stage of the menstrual cycle.

If pregnancy occurs, a layer of tissue associated with the embryo secrets the hormone __________, which maintains the activity of the corpus luteum in the ovaries of the mother.

As a primary oocyte develops within a follicle of the ovary, it is nourished by __________ cells.

An extensive bacterial infection of the female reproduction tract is known as __________; it is the most common cause of female infertility.

A condition in females that occur when endometrial tissue moves through the oviducts and adheres to the ovaries or other organs in the abdominal cavity is __________.