Structure & Function
Site of testosterone production
Seminiferous tubules
The number of sperm produced from 1 spermatogonium
4
The name given to the cell once the nuclei fuse
Zygote
The hormones that maintains the lining to prevent menstruation
Progesterone
The length of the second stage of birth
20 mins to 2 hours
Structres that guide the egg into the oviduct
Fimbriae
The name given to represent cells that have 23 chromosomes
Haploid
The name of the layers that develop into the embryo
Primary Germ Layers
This is fully formed by the 3rd month and have a number of functions to support pregnancy
Placenta
This covers the baby once born and helps protect their skin
Vernix
Eggs are within these structures in the ovaries
Follicles
How long an egg is viable for.
24 hours
At what time frame is the embryo referred to as a foetus
After week 8
Sampling amniotic fluid to check foetal DNA
Amniocentesis
The size of the birth canal once the cervix is fully dilated
10cm
The lining that is shed each month
Endometrium
The name given to cells produced in oogenesis that are not needed for fertilisation.
Polar bodies
The trimester with the highest foetal growth
third
The hormone that keeps the corpus luteum functional to maintain the pregnancy
hCG
When the mucus plug is expelled from ther cervix
Show
Produces a sugary solution so sperm can produce energy to swim
Seminal vesicles
Name term for when chromosome numbers do not split equally AND the specific term for when someone has 3 copies of a chromosome (instead of one)
Non disjunction
Tisomy
The substances that cause physical defects in the developing embryo/foetus
Teratogens
Umbilical cord blood vessel structure.
2 arteries and 1 vein.
The stage of labour when the amniotic sac ruptures
Stage 1 or 2
rarely never!