Final Exam Review

What is the purpose of white blood cells within the FRT?

What is one benefit and one challenge that is a result of these white blood cells being in the female reproductive tract?

What is capacitation?

How does capacitation alter sperm motility?

What is the primary purpose of the acrosomal reaction?

What is “vesiculation”?

How does the nucleus of the sperm change once the sperm is engulfed by the oocyte?

What is the function of the allantois?

What is the function of the amnion?

Maternal recognition of pregnancy is necessary in many species to prevent pregnancy loss caused by what irreversible event?

In order for maternal recognition of pregnancy to occur in the ewe/cow, what (if anything) is secreted by the conceptus to signal its presence

How does the presence of the conceptus affect PGF2α production?

In order for maternal recognition of pregnancy to occur in sows, what (if anything) is secreted by the conceptus to signal its presence?

How does the presence of the conceptus affect PGF2α production in sows?

In order for maternal recognition of pregnancy to occur in mares, what must happen?

Describe the main characteristics of a diffuse placenta type.

How does the zonary placenta type differ from the diffuse placenta type?

The placental unit of trophoblastic origin consisting of abundant blood vessels and connective tissue, found in ruminants, is called:

Although mares, sows, and ruminants (ex: cows) all have epitheliochorial placentas, the placenta of the cow is different compared to the sow and mare. What are 2 differences?

When classifying placentas based on level of intimacy/number of tissue layers, what type would have 6 layers?

Which is the “most intimate placenta type”?

What 3 hormones contribute to myometrial contractions during parturition?

Which hormone is released as a consequence of pressure on the cervix?

Which hormone allows for loosening/widening of the birth canal to allow for parturition?

What is dystocia?