campbell biology chapter46. reproductive system
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"campbell biology chapter46. reproductive system"에 대한 내용입니다.
목차
1. Reproductive system
2. Male Reproductive Anatomy
3. Female Reproductive Anatomy
4. Gametogenesis (배우자 형성 )
5. FELP (Spikes in these hormones occur in this order)
6. Summary The ovarian Cycle
7. Interplay of tropic and sex Hormones
본문내용
Reproductive system
Biological sex
The combination of chromosomal and anatomical sexual characteristics
● May be male, female, or intersex
Intersex
Having chromosomes, gonads, or internal or external genitalia that are neither fully male or fully female
Chromosomal sex
XX, XY, or other
● Female development is the default pathway
● The Y chromosome contains the SRY gene with instructions for gonads to
become testes
● Other chromosomal sexes aside from XX and XY
○ XXX = female
○ XXY = male
○ XO = female
○ YO = embryonic lethal
<중 략>
Male Reproductive Anatomy
◆ Internal reproductive organ (genitalia 생식기)
1) Gonads (Testes) : produce both sperm & Hormone
• Produce sperm in highly coiled tubes called seminiferous tubes 수정관
• Housed in the scrotum 음낭 (~2 degrees C cooler than the rest of the body)
• A testis within a scrotum is a testicle
I. 레이디히세포 Leydig cell->testosterone & Androgen
- 세정관 (정세관) 사이의 결합조직에 위치한 세포들
참고 자료
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