chapter 22

what is meiosis

sex cells are produced by this

What are the steps of meoisis I

prophase I, metaphase I, anaphase I, and telophase I

when do synapsis occur

prophase I

how many chromosomes do human gamates contain

23

how many sperm are formed at the end of meoisis II

4 gametes

what structure in the male reproductive tract is not paired

prostate gland

how many sperm are in normal ejaculate

2 to 5 ml (120 million per ml of semen)

where is the site of sperm maturation at

epidymis

what structures control male reproductive functions

hypothalamus, pituatary gland, and testes

what hormone is responsible for male secondary sex characteristics

testosterone

what are the parts of the uterus

body and cervix

what term decribes the ovulated cells besides egg or ovum

oocyte

what’s a pep smear

identifies changes in cells sampled from the cervix that indicate a locialized precancerous condition called carcinoma insitu

what’s the location of the uterine tubes

on either side of the uterus

where is the site of fertilization

uterine tube

what are the layers of the uterine wall

endometrium, myometrium, and permetrium

what occurs in the first step of oogenesis

oogonium will undergo mitosis and form the primary oocytes

what erectile tissue in females is analogous to the penis of males

clitorsis

what is menopause

stopping of the menstrual cycle for a year

what causes menopause

late 40’s and early 50’s when ovaries start to produce less estrogen and progesterone

what hormone is responsible for female secondary sex characteristics

estrogen

what hormone triggers ovulation

LH