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Card 16
Front
when does the production of sperm begin?
what does the tip of the sperm contain?
how many sperm is in each ***********?
how many reach the ovum?
Back
Card 17
Front
what is the journey of fertilisation
how does the sperms journey through the fallopian tube change it ?
Back
Card 18
Front
what does the cortial reaction cause the ovum to do?
what happens when the sperm nucleus enters through the zona pellucida and cytoplasm?
Back
Card 19
Front
what does the fusion of the male and female perinuclei result in?
what does fertilisation result in?
Back
Card 20
Front
the development of the zygote
week 0-2 ?
week 2-8?
week 8-birth ?
Back
Card 21
Front
pre embryonic stages
Back
Card 22
Front
what are the single layer of cells known as around the outside of the blastocyst ?
what forms the inner cells mass ?
Back
Card 23
Front
how long does the blastocyst lie free when it first enters the uterus?
what happens on day 6 ?
Back
Card 24
Front
what encourages the blastocyst to embed into the endometrium ?
Back
Card 25
Front
implantation stage :
what happens once the blastocyst has started to embed on the lining of the uterus ?
Back
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