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10 Cards in this Set
- Front
- Back
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Gametogenesis |
Production of sperm in the testes production of eggs (oocytes) in ovaries |
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conception |
ovulation, egg is released into the fallpian tube where it can be fertilized within 24 hours |
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Zygote |
Egg and sperm meet, fertilization by a sperm |
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morula |
Rapid divison of the zygote (cleavage), resulting in set of 16-32 smaller cells are which are all alike. |
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blastocyst |
continused division to form a hallow ball |
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inner cell mass |
source of true embryonic stem cells capable of forming a cell types within the embryo. |
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Gastrulation |
Process by which the blastocyst differentiates into stem cells that give rise to tissues and structures within the body |
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Gastrulation types |
Ectoderm-outer layer of skin, nervous system mesoderm-muscle,bone (connective tissues), heart kidneys, ovaries, testes endoderm-lining of GI, urinary, respiratory tracts |
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neurulation |
neural tub formation |
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differentiation |
*cells change from general (totipotent, mulipotent) to specific tissue types *location of the cells within embryo is largely responsible for determining eventual cell type *some differentiated cells reproduce by mitosis |
