Animal Science Quiz 1

Dog

Love in groups, dominance hierarchy, tolerate humans, adaptable, reproduce well in captivity.

control acitivy of organs, transport sperm, produce oocytes, provide enviornment for baby, give birth, repeat, provide nutrients to young.

sex organ, birth canal

sperm transport, regulate corpus luteum

sperm transport, site of implantation

produces oocytes, estrogen, and progesterone

transport of ova and sperm, site of fertilization

present at birth, decreases as female mature

remain til puberty, most never ovulate

The secondary follicles look very similar to primary follicles, except that they are larger, there are more follicular cells, and there are small accumulations of fluid in the intracellular spaces called follicular fluid (nutritive fluid for the oocyte). These gradually coalesce to form an antrum.

maturing follicles, antrum forms (fluid filled space),

similiar structures of tertiary, layers and fluid increase, they can ovulate

newly ruptured follicle, blod clot

The corpus luteum is a temporary collection of cells that forms on your ovary each menstrual cycle if you’re still getting a menstrual period. It appears right after an egg leaves your ovary (ovulation). The corpus luteum’s job is to make your uterus a healthy place for a fetus to grow.

remains after CL regresses

young are not suckled, egg laid outside, no defined pregnancy, only left ovary develops

produce and maintain sperm, detect females in estrus, imseminate females and fertilize eggss

2-lobed pourch that houses testes. physical barrier, temperature regulation, movement. concentric layers.

male gonads, produce sperm and testosterone

failtrue of one or borth testes to descend to scrotum. unilateral - one. it is still fertiel. bilateral -2 sterile.

formation of spermatozoa. seminiferous tubules, interstitial space

leydig, sertoli

highly concoluted duct attached to tunica albuginea. sperm transport, sperm maturation, concentration of sperm, storage.