what is spermatogenesis
production of a sperm
where does spermatogenesis occur
seminiferous tubule
steps of transformation
spermatogonia
primary spermatocytes
secondary spermatocytes
spermatids
spermatozoa
mother cells, 2n
divide by mitosis to produce a continuous supply of cells
2n
are pushed to the center and undergo meiosis (next 2 steps)
n
are formed during the first stage of meiosis
daughter cells formed by the second meiotic division
spermatids mature and lose cytoplasm and form tialss
they are nourished by cells in the seminiferous tubules
what is the 4 components to a sperm structurally
head, neck, body and tail
what does the head of a sperm contain
a nucleus: contains genetic material
centrioles: involved in the reproduction of cells
acrosome: contains enzymes to break through the eggs membrane
what does the body of a sperm contain
mitochondria to provide energy because they have a long way to swim
what is the tail of a sperm
it is a plasma membrane