Spermatogenese Flashcards

1
Q

Hvad er spermatogenese?

A

Dannelse af befrugtnings-dygtige kønsceller

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2
Q

Hvad kaldes de første celler i fosterstadiet?

A

Urkønsceller

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3
Q

Hvilken celledeling benytter urkønscellen sig af?

A

Mitose

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4
Q

Hvad deler urkønscellerne sig til?

A

Spermiogonier(stamceller)

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5
Q

Hvilken celledeling benytter spermiogonier sig af?

A

Mitose

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6
Q

Hvad deler spermiogonier sig til?

A

Spermiocyt af 1. orden og en spermiogonie(stamcelle)

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7
Q

Hvilken celledeling benytter spermiocyt af 1. orden sig af?

A

Meiose I

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8
Q

Hvad deler spermiocyt af 1. orden sig til?

A

Spermiocyt af 2. orden

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9
Q

Hvilken celledeling benytter spermiocyt af 2. orden sig af?

A

Meiose II

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10
Q

Hvad deler spermiocyt af 2. orden sig til?

A

Spermider

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11
Q

Hvad er Spermiohistogense(spermiogenese)

A

Udviklingen af spermider til spermier(sædcellen)

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12
Q

På hvilket livsstadie påbegynder spermiogonier delingen til spermiocyter af 1. orden?

A

Efter kønsmodenhed

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