Term
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Definition
Mitosis is the process of cell division that results in daughter cells that are the exact copy of the original cell.
It makes growth and development possible. Mitosis contains a full set of chromosomes called diploid. |
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Term
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Definition
Process of cell divison that leads to the development of eggs and sperm.
Contains only half the number of chromosomes called 'haploid' |
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Term
| How long does a menstrual cycle average? |
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Definition
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Term
| During the first 2 weeks of your menstrual cycle what builds? |
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Definition
| The endometrium builds. It is a blood rich tissue on the inside of the uterus. |
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Term
| When is a mature egg released? |
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Definition
| Usually on day 14. This is called ovulation. |
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Term
| How long is a egg fertile? |
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Definition
| A egg is fertile 3 days before and 3 days after ovulation. |
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Term
| How long can sperm survive after it is deposited inside the female? |
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Definition
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Term
| When does fertilization occur? What is formed after fertilization? |
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Definition
When the sperm penetrates the ovum (mature egg)
A zygote is formed. |
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Term
| Where does fertilization usually occur? |
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Definition
| In the outer 1/3 of the fallopian tube. |
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Term
| How long does the zygote travel down the fallopian tube to the uterus? |
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Definition
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Term
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Definition
| The amion is the fluid filled sac that holds the embryo. |
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Term
| What is the function of the chorion? |
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Definition
| It envelopes the other structures within the uterus. |
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Term
| Name three functions of the placenta? |
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Definition
1. Secrete hormone to sustain pregnancy.
2. Serves metabolic, endocrine and immune functions
3. Excretes and gives nutrients to the fetus. |
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Term
| How many vessels are in the umbilical cord? What are they and how do they function? |
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Definition
| There are 2 arteries and 1 vein. The vein carries blood too the fetus from the placenta and the arteries carries blood away from the fetus. |
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Term
| How long does the preembryonic stage last? |
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Definition
| It lasts from conception to 14 days (2 weeks) |
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Term
| How long does the embryonic stage last? |
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Definition
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Term
| What change happened during the embryos 4 week? |
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Definition
| The heart begins to beat after the first month. |
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Term
| What change occurs in the 6 week of an embryos life? |
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Definition
| Circulation is established. |
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Term
| How long does the fetal stage last? |
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Definition
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