Pregnancy n Lactation Flashcards
the act of breeding
copulation
where is semen deposited?
in upper portion of vagina
increases chances of fertilization of ovum
cspscitation
layers of cumulus cells from follicle
corona radiata
gel-like membrane around cell
zona pellucida
a fertilized ovum
zygote
layer of cells, raspberry
morula
develops into embryo, formed by morula
blastocyst
life-support system
placenta
surrounds fetus
amnion
around amniotic sac
allantois
attaches to uterine lining
chorion
opening that must close, will fill with urine if it does not
urachus
attachment throughout surface of placenta and uterus
diffuse attachemt
horses, pigs, and camelids have
diffuse attachment
cotyledons and carnucles fastened together
placentomes
placental attached to uterus, belt shaped
zonary attachment
dogs and cats have
zonary attachment
disc shaped attachment
discoid
humans, primates, rabbits and rodents have
discoid attachments
embryotic period and placenta develops
first trimester
fetal development period
second trimester
feel growth period
third trimester
birth is triggered by..
size and wright or uterus
changing hormines
triggers contraction and lactation
oxytocin
first stage
uterine contraction
second stage
delivery of newborn
third stage
delivery of placenta
uterus immediately begins returning to regular size
involution
milk secreting units of mammary gland
alveoli
milk being ready to be milked out
milk letdown
hormones for mammary development
prolactin and growth hormone
encourages alveoli and ducts to develop
estrogen and progesterone
influences process through thyroid and adrenal cortex
thyroid stimulating and adrenocorticotropic
meconium
black tarry stool
