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Development > Definitions > Flashcards

Definitions Flashcards

1
Q

Fertilization

A

union of the nuclei of the gametes

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2
Q

Gamete

A

male or female reproductive cell (sperm/ovum)

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3
Q

Zygote

A

the single cell resulting from fertilization

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4
Q

Cleavage

A

rapid mitotic divisions after fertilization

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5
Q

Morula

A

solid ball of cells produced by successive cleavages - approximately 3rd day oct fertilization

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6
Q

Blastocyst

A

hollow ball of cells - consists of: blastocyst cavity, trophoblast, and inner cell mass

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7
Q

Gastrulation

A

formation of a gastrula with 3 primary germ layers (ectoderm, mesoderm, endoderm)

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8
Q

Gastrulation: ectoderm

A

becomes the nervous system, epidermis

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9
Q

Gastrulation: mesoderm

A

becomes the muscles, blood, vessels, connective tissue, and bones

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10
Q

Gastrulation: endoderm

A

becomes the GI tract, respiratory system, and urinary system

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11
Q

union of the nuclei of the gametes

A

fertilization

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12
Q

male of female reproductive cell (sperm/ovum)

A

gamete

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13
Q

the single cell resulting from fertilization

A

zygote

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14
Q

rapid mitotic divisions after fertilization

A

cleavage

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15
Q

solid ball of cells produced by successive cleavages - approximately 3rd day post fertilization

A

morula

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16
Q

hollow ball of cells - consists of: blastocyst cavity, trophoblast, and inner cell mass

A

blastocyst

17
Q

a blastocyst consists of:

A

blastocyst cavity, trophoblast, and inner cell mass

18
Q

formation of a gastrula with the 3 primary germ layers: ectoderm, mesoderm and endoderm

A

gastrulation

19
Q

3 primary germ layers

A

ectoderm, mesoderm, and endoderm

20
Q

becomes the nervous system, epidermis

A

ectoderm

21
Q

becomes the muscles, blood vessels, connective tissue and bones

A

mesoderm

22
Q

becomes the GI tract, respiratory system and urinary system

A

endoderm

Development (3 decks)

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