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LE Human Reproductio
Human Reproduction Unit
Question | Answer |
---|---|
1. Reproduction | process by which organisms produce new organisms of the same type |
2. Development | the changes that occur from the fertilized egg to a complete individual by the processes of mitosis & differentiation of cells |
3. Fertilization | the process that combines a sperm cell and an egg cell and restores full complement of chromosomes |
4. Implantation | process of embryo attaching to uterine wall |
5. Testes | male reproductive organ that produces sperm & testosterone |
6. Scrotum | sac that holds the testes; located outside body cavity |
7. seminiferous tubules | tightly coiled tube that lies alongside each testis in the scrotum where sperm is produced |
8. epididymis | coiled tube (comma shaped tube) that lies alongside each testis in the scrotum and stores mature sperm cells |
9. penis- | male organ that delivers sperm during intercourse |
10. semen | transportation fluid composed of sperm and fluids made by male glands as well as fructose |
11. ovary | female organ that releases egg and produces hormones estrogen and progesterone |
12. fallopian tubules | -- provides path that egg travels from ovary to uterus; site of fertilization |
13. uterus | organ with muscular walls where fetus develops, protected & nourished |
14. cervix | structure found at the base of uterus, connecting uterus to vagina; provides an opening between uterus and vagina for baby to be born |
15. vagina | muscular, tube shaped organ also known as birth canal; provide path from uterus to outside world |
16. ovulation | the release of egg from the ovary |
ovum | mature egg |
18. zygote | fertilized egg (conjoined sperm & egg) |
19. blastula | hollow ball of cells |
20. morula | solid ball of cells, same size as zygote |
21. endometrium | lining of the uterus |
22. amnion | fluid surrounding fetus in utero |
23. chorion | contributes to formation of placenta |
24. gastrula | 3 germ layers formed from blastula |
25. mesoderm | middle layer of gastrula; forms reproductive system, kidneys, muscle, bones, skin, blood & blood vessels |
26. endoderm | outer layer of gastrula; forms nervous, skin, sweat glands |
27. ectoderm | inner layer of gastrula; lungs, liver, lining of digestive organs |
28. cleavage | mitotic division of cells (24816…) |
29. gonads | sex organs (testes and ovaries) |
30. gametes | sex cells (eggs and sperm) |