Exam 20: Development

All of the following are characteristic of the onset of true labor EXCEPT

All of the following are derived from mesoderm EXCEPT

Capacitation is a process that

What is the term for the longest stage of labor?

Fertilization usually takes place in the

The amnion,chorion,and placenta form during the preimplantation period.

For fertilization to take place,sexual intercourse must occur approximately between 1 day before and 3 days after ovulation.

The second meiotic division in oogenesis is not completed until after a spermatozoan has penetrated the cell.

The embryonic period lasts for about six months.

Implantation normally occurs

With prostaglandins,what is the hormone that stimulates uterine contractions?

What is the term for the extraembryonic membrane that contributes to the formation of the placenta?

The extraembryonic membrane that surrounds the embryo and secretes a fluid that cushions it is the

Two external features unique to the fetus are

Temperature regulating mechanisms are well developed in the neonatal period.