Adolescent Development Flashcards
What is the function of FSH?
Stimulates granulosa (female) and Sertoli (male) cells
What is the function of LH?
Stimulates Leydig and theca cells
What is the function of Sertoli cells?
They make AMH and cause the regression of the Mullerian ducts
What is the function of Leydig cells?
Make testosterone which promotes growth and differentiation of the Wolfian duct.
What is thelarche?
Breast budding
What is adrenarche?
First appearance of pubic hair
What is gonadarche?
Growth of testes and ovary
What is menarche?
First menses cycle
What is the first male sign of puberty?
Testes enlargement
What is the first female sign of puberty?
Breast budding
What are the features of Turner’s Syndrome?
– short stature
– webbed neck
– widely spaced nipples – high arched palate
– congenital heart disease
What is the cause of Turner’s Syndrome?
XO chromosomes which is a problem because 2 X chromosomes are necessary for the development of the ovaries. As a result, there is primary ovarian failure and no E2 is produced.
What is the problem in testicular feminization (androgen insensitivity)?
No androgen receptors
What is considered delayed for female puberty?
No thelarche by age 13
At what time is lack of menarche abnormal?
2.5 years after thelarche