midterm #1

Question 1

what hormone is synthesized and released form the corpus luteum

Answer 1

progesterone

Question 2

is there Is a low synthesis and secretion of progesterone, what would be the most likely outcome?

Answer 2

if fertilization occurs embryo might not be able to attach due to lack of development and secretion capabilities of endometrial glands

Question 3

what hormone causes luteolysis of the corpus luteum and where is It synthesized?

Answer 3

prostaglandin F2 alpha, synthesized in the endometrium

Question 4

what are the two main cells found in ovarian follicles and in the testicles (adluminal and interstitial compartment) and what receptors are expressed (hint: what type of gonadotropin receptor?)

Answer 4

theca and leydig- LH

granulosa and setoli- FSH

Question 5

at the shaft of the penis, there are 2 different erectile tissues, name them and describe their main function?

Answer 5

corpus cavernous, corpus spongiosum

function: blood engorgement

Question 6

indicate the embryonic organ of hypothalamus, ovary/testicle, penis/clitoris, mammary gland

Answer 6

hypothalamus- ectoderm
ovary/testicles- mesoderm
penis/clitoris- ectoderm
mammary gland- endoderm

Question 7

what are the suspensory ligaments that support the female repro tract and what structures do they support

Answer 7

mesovarium- ovaries
mesosalpinx- oviducts 
mesometrium- uterus 
broad ligament- entire repro tract 
intercornual ligament- uterine horns

Question 8

name in order form outside to inside the general layers that cover the testicle

Answer 8

1. scrotum
2. tunica dartos
3. tunica vaginalis
4. tunica albuginea

Question 9

what is the main function of the blood testis barrier

Answer 9

prevent immune reaction towards spermatogonia, will attack and kill sperm

Question 10

mention 2 sites in the male repro tract where spermatozoids are stored

Answer 10

epididymal tail

ampullae

Question 11

what are the 2 lobes of the hypophysis and mention 1 hormone that is synthesized or stored

Answer 11

anterior- FSH/LH

posterior- oxytocin

Question 12

what 2 types of sex determination ar found in animals

Answer 12

genetic and environmental

Question 13

what would be the reproductive outcome of a female with an atresia (lack of development) in the ovulatory fossa

Answer 13

female would be able to show sexual receptivity, ovulate but ovum will not be fertilized