Week 3 Flashcards
What substance does negative feedback on FSH release from pituitary?
inhibin
Which cells respond to LH in the male? FSH?
LH - Leydig cells (not temp. sensitive)
FSH - Sertoli cells
What is the main contribution of the seminal vesicle?
fructose and fluid for energy for motile sperm
Which glands of the prostate contribute to benign prostatic hyperplasia?
mucosal glands
What does the prostate secrete?
thin, milky, slightly acidic fluid; 25% of seminal fluid
What do bulbourethral glands (Cowper’s glands) secrete?
clear, viscous, lubricating material into urethra
What nerve causes ejaculation?
S1-S2; pudendal nerve
What are the 3 main targets of the National Prevention Council?
tobacco free, healthy eating, physical activity
About how many of the 1 million oogonia develop into mature eggs and ovulate?
400-500
What are the 2 “arrests” of oocytes?
- primary oocyte arrested in prophase of meosis 1 during 3rd month fetal development
- secondary oocyte arrested in metaphase 2 (until fertilization)
What menstrual phase begins at the end of mentstrual flow?
proliferative phase
-estrogen dependent (thecal output)
What menstrual phase has thickening my edema versus mitosis?
Secretory phase (proliferative phase is by mitosis) -sawtooth appearance to glands by end
Which arteries constrict intermittently during the premenstrual phase and permanently during the menstrual phase?
coiled arteries
-causes shedding of the functional layer
What is the most common site of precancerous lesions and carcinomas of the cervix?
Squamocolumnar junction (cervix is columnar and vagina is stratified squamous non-keratinizing)
What is the diagnostic test for testicular torsion?
ultrasound (surgery under 6 hours may save testicle)
