Menstrual cycle and puberty Flashcards
When is the first day of your menstrual cycle?
The first day of your period
What happens between day 1-14 of the cycle?
A follicle containing a mature egg is developing
What happens around day 14 and why?
There is an increase in estrogen because the follicle is growing, causing a spike in LH and reduction of FSH
What does the increase in estrogen around day 14 cause?
Causes the follicle to burst, releasing the egg
What are the remains of the follicle called?
corpus luteum
What happens if fertilization does not occur?
menstruation
What is GRH’s main function?
Regulates the secretion of LH and FSH by pituitary
What is FSH’s main function?
Stimulate growth of ovarian follicle
What is LH’s main function?
Stimulate growth of ovarian follicle and production of the secondary oocyte. Promotes ovulation, development of corpus luteum and secretion of hormones
What is estrogen’s main function?
Promotes endometrium
What is progesterone and estrogen’s main function?
Maintain endometrium
Mature cells develop from _______ in the embryo. Before birth they develop into ______.
Oogonia, primary oocyte
What is the development of a secondary oocyte called?
oogenesis
What is a polar body?
oogonia that wasn’t fertilized
The development of spermatozoa is called…?
spermatogenesis
Spermatogenesis
- At what age does it usually start?
- What are spermatogonia?
- Where are they found?
- 14
- specialized sperm making cells
- found in the seminiferous tubules (seminal ducts) of the testes
- How does sperm cells enter the body?
- How long can they live in a female’s body?
- Where does fertilization take place?
- vagina
- 3 days
- fallopian tubes
Define puberty.
Puberty is the period in life in which a set of anatomical physiological and psychological changes takes place in children who are becoming adolescents.
What triggers puberty?
Certain glands produce a larger quantity of hormones linked to the reproductive
What are anatomical changes?
Change in body shape
Appearance of hair on certain areas of the body
What are physiological changes?
Maturity of the internal and external reproductive organs
Ability to reproduce
What are psychological changes?
Search for identity
Confrontation with adults
Sexual interest in another person
Define hormonal gland.
Produce hormones and secrete them
Define hormone.
Chemical substances that transmits messages throughout the body
