Master this deck with 23 terms through effective study methods.
Focuses on prenatal development of embryos and fetuses.
Calculated from the first day of the last menstrual period.
Involves mitotic divisions of the zygote without size increase.
A solid mass of 12 to 32 blastomeres formed from cleavage.
Contains a fluid-filled cavity and an inner cell mass.
The blastocyst attaches to and embeds in the endometrium.
Female germ cells produced in the ovaries.
Male germ cells produced in the testes.
The cell formed from the union of an oocyte and sperm.
Gestational age is about 2 weeks longer than fertilization age.
It leads to the formation of three germ layers.
It is a three-layered embryonic structure.
It is the stage when the neural tube develops.
It divides pregnancy into three-month periods.
Most critical stages of embryonic development occur.
It is the first year of life after birth.
Critical changes in cardiovascular and respiratory systems.
Rapid growth in length and weight occurs.
It spans from 13 months until puberty.
Development of secondary sexual characteristics.
It is marked by rapid physical and sexual maturation.
It is the stage of full growth and maturity.
Ossification and growth are nearly complete.