Overview Fertilization Prenatal Development Parturition ALL of the (prev.) categories
100
What is a zygote?
What is the name of a sperm cell that unites with a secondary oocyte?
100
What is fertilization?
What is the union of a sperm cell and an egg?
100
What is birth?
Gestation period lasts from last menstrual period until when?
100
What is cesarean?
What does the "C" C-section stand for?
100
What are Trauma protection, and temperature maintenance?
What 2 functions does the Aminion have?
200
What is the prenatal period?
This period begins with fertilization and ends with birth.
200
What is the zona pellucida?
What is the surrounding of the oocyte cell membrane called?
200
What is the placenta?

Also secrete immunosupressive factors....
The L-selectin adhesion surface molecules aid in the formation of what?
200
What is oxytocin?
Nerve impulses initiated to the hypothalamus signal this hormone to be released to stimulate contractions.
200
What is Organogenesis?
What is the process when the primary germ layers of the embryo begin to form organs?
300
What is the postnatal period?
The period beginning at birth, ending at death.
300
What is conception?
What is another name for fertilization?
300
What is a morula?
What is the ball of 16 or more cells called?
300
What is true labor?
Rhythmic muscular contractions begin moving from the top to the bottom of the uterus.
300
What is a Freckle?
What is the aggregation of permanent melanin in the skin?
400
What is 38 weeks?
Normal pregnancy lasts for how many weeks?
400
What are acrosin and hyaluronidase?
The two enzymes released from the acrosome of a sperm are...
400
What is window of implantation?
This describes how receptive the endometrium is to implantation.
400
What is Ductus Venosus?
It bypasses the liver to conduct nearly half of the umbilical vein blood directly to the inferior vena cava.
400
What are Teratogens?
What are environmental factors that cause congenital malformations by interfering with prenatal growth or development?
500
What is development?
The continuos process of an individual changing from one life phase to another is called what?
500
What is pronuclei?
The nuclei from two sex cells is called what?
500
What is a conceptus?
A fertilized egg, commonly called a zygote, is also known as a...
500
What are dizygotic twins?
This occurs in 70% of twin births.
500
What is a Notochord?
Aggregated mesodermal cells that form a rod is called what?






Pregnancy and Development

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