Questions and Answers
What is the primary function of the bladder?
What connects the left and right pubic bones?
Pubic Symphysis
What male reproductive organ secretes prostate fluid?
Prostate
What expands to hold 90% of the blood during an erection?
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What prevents the compression of the urethra during an erection?
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What carries urine from the bladder to the outside of the body?
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What is the function of the foreskin?
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What is the term for the head of the penis?
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What is the distal dilatation of the spongy urethra called?
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What is the opening through which urine and semen are passed?
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What contains the testicles?
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What organs are responsible for making testosterone and generating sperm?
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What is the role of the epididymis?
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What directs and propels sperm into the urethra?
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What is the last part of the digestive tract?
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What glands produce a mucous-like fluid called pre-ejaculate?
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What is another name for the tailbone?
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What is formed by the union of the vas deferens and the duct of the seminal vesicle?
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What is the last stop before feces is eliminated?
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What do the pelvic floor muscles function as?
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Study Notes
Male Reproductive System Overview
- The bladder stores urine and is located in the pelvic area beneath the kidneys and behind the pelvic bone.
- The pubic symphysis is a cartilaginous joint connecting the left and right pubic bones, providing flexibility.
Key Organs and Structures
- The prostate secretes prostate fluid, a component of semen, and helps propel it into the urethra during ejaculation.
- Corpus cavernosum expands to accommodate 90% of blood during erection, increasing penis size.
- Corpus spongiosum prevents urethra compression during an erection.
Urethra Functions
- The urethra transports urine from the bladder and, during ejaculation, also expels semen.
- The flow of urine is blocked during an erection, allowing only semen to be released at orgasm.
Penis Anatomy
- The foreskin protects the glans and contains nerve receptors that enhance sexual pleasure.
- The glans is the head of the penis, covered by mucosa in uncircumcised males.
- The navicular fossa is a boat-shaped dilation at the distal end of the spongy urethra.
Reproductive Pathway
- The urethral opening (meatus) is located at the tip of the penis for the passage of urine and semen.
- The scrotum houses the testicles and regulates their temperature for optimal sperm production.
Testes and Sperm Storage
- Testicles, or testes, produce testosterone and generate sperm while being oval and roughly the size of large olives.
- The epididymis is a coiled tube that stores sperm, consisting of head, body, and tail sections.
Sperm Transport
- The vas deferens directs and propels sperm into the urethra, guiding it from the epididymis to the ejaculatory ducts.
Other Relevant Structures
- The anus is the final part of the digestive tract, featuring pelvic floor muscles and anal sphincters for fecal elimination.
- Cowper's glands produce pre-ejaculate fluid during sexual arousal, aiding lubrication.
Supportive Structures
- The coccyx bone (tailbone) supports pelvic floor muscles and serves as an attachment site for tendons and ligaments.
- Ejaculatory ducts form from the union of vas deferens and seminal vesicle ducts, facilitating sperm transport.
- The rectum is the last section before feces exit the body through the anal canal.
- Pelvic floor muscles provide structural support for pelvic organs.
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Description
Explore essential vocabulary related to the male reproductive system with this interactive flashcard quiz. Each card provides definitions for key terms, aiding in the understanding of anatomical structures and functions. Perfect for students learning about human biology!
