Summary: Lectures Human Development
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2 Reproductive systems
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2.1 a. Male reproductive system
This is a preview. There are 62 more flashcards available for chapter 2.1
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What is the difference in the amount of gametes produced by males and females?
- Females produce 1 gamete per month
- Males produce 0.5 billion sperm cells per day -
What are the external genitalia in males?
- Scrotal sac (encloses testes)
- Penis
- Scrotal sac (encloses testes)
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What is the pathway of the spermatozoa through the male reproductive system?
Testis → epididymis → ductus deferens → ejaculatory duct. -
What are the three accessory organs that secrete fluids in the ducts of the male reproductive system?
- Seminal vesicles
- Prostate gland
- Bulbourethral glands
- Seminal vesicles
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What are the functions of the connective tissue in the testes?
- It supports blood and lymphatic vessels
- It drains the efferent ductules
- It supports blood and lymphatic vessels
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Where do the spermatozoa go to after they are produced?
They go through the rete testis and the efferent ductules to the epididymis. -
What are the two types of cells the seminiferous tubules contain, and what is their function in spermatogenesis?
- Spermatogonia: stem cells involved in spermatogenesis
- Sustentacular cells: sustain and promote development of sperm.
- Spermatogonia: stem cells involved in spermatogenesis
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What are the two types of cells the body has, and are they haploid or diploid?
- Somatic cells: diploid
- Germ cells / gametes: haploid.
- Somatic cells: diploid
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What are, in a nutshell, the three steps of mitosis?
- Replication of chromosomes
- Separation of the chromosomes
- Division of the nucleus and the cytoplasm -
How are the male germ (stem) cells called?
Spermatogonia.
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