Exam (elaborations)
ANSC 201 - Reproduction
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- Grade 3 Engineering Omaha Exam Prep By NAPE.
ANSC 201 - Reproduction
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ANSC 201 - Reproductionaccessory sex glands - ANS-seminal vesicle (2)
prostate (one)
bulbo-urethral (2)
allantochorion - ANS-the allantois and chorion fuse together and attach to uterine lining
allantois - ANS-as the yolk sac degenerates, the allantois takes on the function of
absorbing nutrients
amnion - ANS-sac that surrounds the fetus, filled with fluid
*protects the fetus and absorbs shock
ampulla - ANS-enlarged portion at the end of the vas deferens (only in some species)
bilateral cryptorchidism - ANS-neither testicle descended from the inguinal canal
*definite reduction of testosterone levels
cervix - ANS-lower outlet of uterus made of connective tissue
chorion - ANS-surrounds the amnion sac
continuous breeders - ANS-no distinct mating season
-cow, sow
cotyledonary placenta - ANS-attachment of the allantochorion takes place in specialized
areas
-ewe, goat, cow
diestrus - ANS-functioning corpus luteum producing lots of progesterone
diffuse placenta - ANS-the entire surface of the allantochorion attaches to uterus
-mare, sow
epididymis anatomical relationship to testicle - ANS-the head of the epididymis connects
to the seminiferous tubules through efferent ductules
epididymis function - ANS-storage of sperm cells
, provision of maturation space for sperm cells
nutrition of sperm cells through secreted substances
epididymis sections - ANS-head: at the top of the testicle
body
tail: at the bottom of the testicle
estrogen - ANS-from growing graafian follicles; produce most of the female
characteristics
estrus (heat) - ANS-receptive to male, high estrogen levels, surge of LH
function of the scrotum - ANS-1. house/protect testicles
2. regulate temperature of testicles; usually 3-13 degrees lower than body temperature
functions of the accessory sex glands - ANS-secrete nutrients
secrete buffers
secrete substances to cleanse/lubricate urethra
gonatotropin-releasing hormone (GnRH) *negative feedback - ANS-tells anterior
pituitary to release FSH and LH
implantation - ANS-occurs when the allantochorion attaches to the uterus
infundibulum - ANS-receives yolk, secretes chalaziferous later and vitelline membrane
interstitial tissue - ANS-cells of LeyDig produce testosterone which give male
characteristics
isthmus - ANS-secretes inner and outer shell membranes
location and migration of testicles - ANS-descend through the inguinal canal to the
scrotum around time of birth
location of testicles in roosters - ANS-inside the body
magnum - ANS-secretes most the the albumen layers
metestrus - ANS-corpus luteum (CL) is forming and begins to produce progesterone
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