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UNIT 17 - REPRODUCTIVE SYSTEMS

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卡片总数: 24 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

卡片预览 (24 张)

#1
正面 (问题)

What are gonads and what do they do? (Overveiw)

背面 (解答)

• Testes/Ovaries • Produce gametes and hormones

#2
正面 (问题)

What do ducts do? (Overveiw)

背面 (解答)

Transport and store gametes

#3
正面 (问题)

Accessory glands (Overveiw)

背面 (解答)

Produce secretions that support the gametes

#4
正面 (问题)

Where are the testes located? (Testicular reproductive system structures)

背面 (解答)

Located within the scrotum (skin and CT)

#5
正面 (问题)

What are the testes surrounded by? (Testicular reproductive system structures)

背面 (解答)

2 layers (tunics): * Tunica vaginalis * Tunica albuginea

#6
正面 (问题)

Describe the two tunics. (Testicular reproductive system structures)

背面 (解答)

• Tunica vaginalis: Outer superficial layer; serous membrane derived from peritoneum • Tunica albuginea: Inner fibrous CT capsule; extends inwards to divide testis into lobules

#7
正面 (问题)

What does each lobule of the testes contain? (Testicular reproductive system structures)

背面 (解答)

• Seminiferous tubules • Interstitial endocrine (leydig) cells

#8
正面 (问题)

What do the seminiferous tubules do? (Testicular reproductive system structures)

背面 (解答)

Produce sperm (spematogenesis)

#9
正面 (问题)

When the seminiferous tubules unite, they form what? (Testicular reproductive system structures)

背面 (解答)

Rete testis on posterior side of each testis Rete = network

#10
正面 (问题)

The walls of the seminiferous tubules composed of what? (Testicular reproductive system structures)

背面 (解答)

• Spermatogenic cells: Germ cells in various stages of development that will become sperm • Sustenocytes (nurse) cells: surround, nourish, abdominal oritect developing gametes

#11
正面 (问题)

Describe sustenocyte (nurse) cells. (Testicular reproductive system structures)

背面 (解答)

• Surround, nourish, and protect developing gametes • Extend from basement membrane to lumen • Are connected to one another by tight junctions that from the blood-testes barrier • produce testicular fluid (form sperm transport

#12
正面 (问题)

Describe interstitial endocrine (leydig) cells (Testicular reproductive system structures)

背面 (解答)

• In CT between seminiferous tubules • Secrete testosterone

#13
正面 (问题)

True or False: Sperm formed in the seminiferous tubules enter the rete testis, and then move into a series of ducts. (Testicular reproductive system structures)

背面 (解答)

TRUE

#14
正面 (问题)

What are the 4 ducts that sperm travels through? (Testicular reproductive system structures)

背面 (解答)

• Epididymis • Vas (ductus) deferens • Ejaculatory duct • Urethra

#15
正面 (问题)

Describe the epididymis. (Testicular reproductive system structures)

背面 (解答)

• Located at posterior border of testis • Site of sperm storage and where they learn to swim

#16
正面 (问题)

What is the vas (ductus) deferens? (Testicular reproductive system structures)

背面 (解答)

• Transports sperm from the epididymis during ejaculation • part of the spermatic cord which carries the vas deferens, nerves, blood supply, & lymphatic vessels through the body wall • Enters anterior pelvic cavity and loops over posterior wall of bladder

#17
正面 (问题)

• What is the ehaculatory duct formed from? (Testicular reproductive system structures)

背面 (解答)

The union of vas deferens and duct from seminal vesicle

#18
正面 (问题)

What does the urethra do? (Testicular reproductive system structures)

背面 (解答)

Transports urine and semen out of the body

#19
正面 (问题)

What are the three regions of the urethra? (Testicular reproductive system structures)

背面 (解答)

• Prostatic urethra: runs through prostate • Intermediate (membranous) erethra: runes through urogenital diaphragm (muscular floor of pelvis) • Spongy (penile) urethra: Runs through corpus spongiosum of the penis & ends at tip (external urethral orifice)

#20
正面 (问题)

What is the penis? (Testicular reproductive system structures)

背面 (解答)

The urinary and copulatory organ copulatory = sex

#21
正面 (问题)

What are the three parts of the penis? (Testicular reproductive system structures)

背面 (解答)

• Root • Body (Shaft) • Glans penis (enlarged tip)

#22
正面 (问题)

True or False: The penis has two cylindrical bodies of erectile tissue (blood sinuses bound by CT). (Testicular reproductive system structures)

背面 (解答)

FALSE * It has THREE cylindrical bodies of erectile tissue

#23
正面 (问题)

Describe the three cylindrical bodues of erectile tissue. (Testicular reproductive system structures)

背面 (解答)

• 2 Corpora cavernosa: Dorsal/posterior; form most of the root and shaft • 1 Corpus spongiosum: midventral/anterior; surrounds urethra and forms the glans penis

#24
正面 (问题)

What do the accessory glands do? (Testicular reproductive system structures)

背面 (解答)

Contribute to secretions during sexual arousal