Quiz 6

Question 1

Allantochorion

Answer 1

A placental membrane formed by fusion of the allantois and chorion

Question 2

Allantois

Answer 2

An extraembryonic membrane formed from the embryo; it fuses to the chorion and
serves as a receptacle for fetal urine.

Question 3

Amnion

Answer 3

A thin membrane which forms a closed sac around the embryo. It contains the
amniotic fluid, in which the embryo is immersed.

Question 4

Caruncle

Answer 4

Maternal sites for attachment of the fetal cotyledons. Form half of a placentome.

Question 5

Chorioallantoic membrane-

Answer 5

A placental membrane formed by fusion of the allantois and
chorion.

Question 6

Colostrum

Answer 6

The fluid usually only secreted by the mammary gland shortly after parturition and
is important for passive immunity of the neonate

Question 7

Endometritis

Answer 7

– Inflammation of the uterine mucous membrane.

Question 8

Eutherian mammal

Answer 8

– mammals that develop a placenta.

Question 9

Involution

Answer 9

The return of a tissue to its normal size

Question 10

Lactational anestrus

Answer 10

lack of estrous or menstrual cycles due to suckling or the presence of
young

Question 11

Metritis

Answer 11

Inflammation of the uterus.

Question 12

Multiparous

Answer 12

A mammal which has had two or more pregnancies that resulted in viable
offspring

Question 13

Neonatal

Answer 13

Pertaining to the first few weeks after birth.

Question 14

Nulliparous

Answer 14

– having never given birth to viable young.

Question 15

Parity

Answer 15

The condition of a female mammal with regard to her having borne young

Question 16

Parturition

Answer 16

The act or process of giving birth to young.

Question 17

Peristalisis

Answer 17

A wave of contraction passing a long certain tubular organs that possess
longitudinal and circular muscle layers

Question 18

Placentome

Answer 18

Made of a caruncle and a cotyledon. Location of nutrient/gas/waste exchange
between fetus and dam

Question 19

Primiparous

Answer 19

Bearing or having borne only one young or set of young.

Question 20

Pseudopregnancy

Answer 20

False pregnancy; a condition of the reproductive organs resembling
pregnancy which is induced in certain mammals following sterile copulation or occurs normally after ovulation

Question 21

Puerperium

Answer 21

The period from parturition to the resumption of normal estrous cycles.

Question 22

Pyometra

Answer 22

An accumulation of pus within the uterus.

Question 23

Seasonal anestrus

Answer 23

a period of anestrus that is induced by long (sheep) or short (horses)
photoperiod

Question 24

Vomeronasal organ –

Answer 24

an olfactory organ that is believed to be associated with detection of
pheromones.

Question 25

Zygote

Answer 25

1 cell stage embryo

Question 26

Tight morula

Answer 26

6-7 day embryo that forms tight cell compacts

Question 27

Parts of a blastocyst

Answer 27

Inner cell mass, blastocoel, trophectoderm, and zona pellucida

Question 28

Morula stage

Answer 28

Polarization happens

Question 29

Tight junctions between _ and gap junctions between _

Answer 29

Outer cells, inner cells (communication)

Question 30

Changing from a morula to an early blastocyst

Answer 30

Na/K bonds let water inside the cell and an inner cell mass forms

Question 31

3 things needed for zona hatching

Answer 31

Growth and fluid accumulation (zona thins), enzyme production by trophoblast cells (protolitic) , and expansion/contraction

Question 32

Gastrulation

Answer 32

Formation of germ layers (endoderm, ectoderm and mesoderm)

Question 33

Majority of embryonic loss

Answer 33

17-20 days after pregnancy (progesterone levels drop terminating pregnancy)

Question 34

Conceptus

Answer 34

Embryo

Question 35

Luteotropic signal

Answer 35

Supports and maintains the Cl

Question 36

Antiluteolytic signal

Answer 36

Prevents degradation of the CL (stops PGF2A from being secreted)