Human Anatomy and Physiology Reproductive System

acrosome

helps penetrate the egg, head of sperm

fagella

tail, helps sperm move/swim

seminiferous tubules

attach to testes, sperm go through them to get out

spermatogonia

immature sperm cell

spermatids

haploid cell

glans penis

tip of penis

erectile tissue

vascular skin that allows penis to become enlarged

seminal vesicles

produces extra lubrication and fluid for semen

cremaster muscles

temp. regulation, allows scrotum to rise and drop for testes temp.

Cowper’s gland

allows sperm to ejaculate

prostate gland

thins semen for easy travelling through the urethra

vestibular glands

lubrication for vagina

corpus leutum

makes uterus healthy and releases progesterone

labia

folds, external protective layer

vagina

orifice that allows penis to enter the body

oogenesis

formation of eggs

semen

protective secretions that the sperm travels in to get in the vagina

sperm

has genetic material required for egg fertilization

follicles

produce the blank slate required for fetal development

follicle maturity

menarche, around 13 years of age

ovulation

when an egg releases for potential fertilization

fertilization takes place in the…

fallopian tubes

eggs implant in the..

endometrium

zygote is when…

two nuclei become one to become and embryo

blastocyst

100 cells, 16 divisions

morula

before blastocyst

trophoblast

mature embryotic cell

embryo age

1-8wks

fetus age

9-40wks

mammary glands

milk secretion

alveolar glands

sites of milk creation

dilation

when water breaks and the cervix begins to dilate

expulsion

baby is being pushed out

placental

placenta is ejected from the body