pregnancy Flashcards
In which animal would you expect to find diffuse attachment of the placenta to the uterus during pregnancy?
Horse
Which hormone keeps the myometrium calm and quiet during gestation?
progesterone
Where does the fluid from the fetus’s urinary bladder get deposited?
allantoic sac
During which stage of labor does the dam attempt to build a nest for her offspring?
stage 1
What is the name of the passageway from the teat sinus to the outside in a mammary gland?
streak canal
What hormone helps transport spermatozoa to the oviduct inside the uterus?
oxytocin
Which layer of placenta attaches to the uterus?
chorion
What triggers parturition (3)
What hormone causes muscle-like myoepithelial cells around the alveoli and small ducts to contract?
oxytocin
Which trimester is the fetal development stage?
second
What is the name of the process that involves the uterus gradually returning to its nonpregnant size?
involution
Male animals have mammary glands, but they are not functional because there is no blood supply to them.
False
The fetal body’s tissues, organs, and systems develop during the second trimester.
True
The gestation period in cats and dogs is approximately 2 months.
2 months
321-346 days
Horse
56-69 days
Cat
59-68 days
Dog
271-297 days
Cow
Layer attached to the uterine lining
Chorion
Layer immediately around the fetus
Amnion
Layer that contains the fluid from the urachus
Allantois
Zonary placenta
dogs and cats
Cotyledonary
ruminants
Discoid
rodents