Reproduction System Flashcards
What are Gonads
Produce gametes and hormones
What are accessory glands and organs?
secrete fluids
Ductus derenfes
serm duct
seminal gland does what?
Fluid: most of semen volume
Prostate gland produces?
Fluid and enzymes
Bulbourethral glands do what?
produce liquid that neitralzies the urine so that semen can come out
WHat happens in the epidiysmis?
semen maturation
Why are men more likely to get inguinal hernias?
because of the weak spot where the testes dropped
What is the purpose of the connective band tissue?
pulls developing teste through to the scrotum
After meiosis one in spermateogensis what are the cells? (2n or n?
2n
After meosis 2 what are the cells?
n
After spermiogenesis what are the cells? 2n or n?
n
Structure of the spermatozoan?
Acrosome Head Neck Middle piece Tail
What is the acrosome?
fertiliazation enzyme
What is in the head of the sperm?
chromosomes
What is in the neck of the sperm?
centroiles
What is in the middle piece of the sperm?
Mictochondria for swimming
Whats the sperm missing?
ER, Golgi, lysosomes, peroxisomes
Gonads of the female
ovary
Seminiferous tubules
Makes sperm
What are the functions of nurse cell?
To isolate seminiferous tubles from the blood-testis barrier and to work on hormone contol
What are nurse cells connected with?
tight junctions
What does the basal testes barrier separate?
Luminal comparment from the basal comparment
What does the head of the testis do?
Collects spermatozoa from ductules
Where do you sterocilia?
Movement of liquid, they don’t know what direction to go so it provides a current
What can cause erectile dysfunction is caused by?
low blood pressure
Psychological factors
What are in Viagra and cialis?
- Enzymes that counter NO
- Viagra and Cialis temporarily inactivate these enzymes
- More active Nitric Oxide to stimulate erection
Three main funcitons of ovaries?
Produce oocytes (immature ova)
Secrete sex hormones (estrogens, progesterone)
Secrete inhibin
How does the uterine tube move the egg?
cilia and peristalsis
What happens in mensus?
Spiral arteries constrict, causing degradation of endometrium
Menstruation (35-50mL)