Sperm Maturation in Epididymis Quiz

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What is the approximate total length of seminiferous tubules in 1 testis?

500 meters

25 meters

250 meters (correct)

75 meters

Which cells secrete androgens in the testis?

Sertoli cells

Efferent ductulus cells

Myoid cells

Interstitial cells (correct)

What is the main function of Sertoli cells in the seminiferous tubules?

Producing androgens

Secreting testosterone

Supporting developing sperm precursors (correct)

Phagocytizing mature sperm

Where do sperm travel to from the rete testis?

Epididymis Signup and view all the answers

What is the main function of the prostate gland?

Liquefaction of coagulated semen Signup and view all the answers

Which zone of the prostate gland surrounds the superior portion of the urethra?

Transition zone Signup and view all the answers

What are corpora amylacea found in the prostate gland primarily composed of?

Glycoproteins and keratin sulfate Signup and view all the answers

Which type of epithelium lines the tubuloacinar glands within the prostate gland?

Simple or pseudostratified columnar epithelium Signup and view all the answers

Which organelle acts as a basal body and organizes the axoneme of the flagellum?

Centriole Signup and view all the answers

During the acrosomal phase, what is the main enzyme found in the acrosome of the sperm?

Hyaluronidase Signup and view all the answers

What is the main function of the acrosomal reaction during fertilization?

Binding to the zona pellucida Signup and view all the answers

Which phase involves the shedding of unneeded cytoplasm and loss of intercellular bridges from each spermatozoon?

Maturation phase Signup and view all the answers

What is the primary role of exosomes and vesicles released from multivesicular bodies in the male reproductive system?

Modify the spermatozoa cell membranes Signup and view all the answers

Which process occurs during the passage of sperm through the ducts over 2-4 weeks?

Integration of exosomes from principal cells Signup and view all the answers

What is the primary function of the ductus deferens in the male reproductive system?

Transport of sperm from the epididymis to the prostatic urethra Signup and view all the answers

Where do the ejaculatory ducts open in the male reproductive system?

Prostate gland Signup and view all the answers

What is the key role of accessory glands like seminal vesicles in male reproduction?

Production of semen Signup and view all the answers

How does the thick muscular wall of the ductus deferens aid in male reproduction?

Generating peristaltic contractions to move sperm Signup and view all the answers

What type of cells initially line the short straight tubules connecting the loops of seminiferous tubules to the rete testis?

Sertoli cells Signup and view all the answers

What is the main role of the non-ciliated cuboidal cells in the efferent ductules of the testis?

Absorption of fluid secreted by Sertoli cells Signup and view all the answers

Which structure supports the interconnected channels of the Rete testis?

Smooth muscle cells Signup and view all the answers

What is the function of the thin layer of circular smooth muscle cells in the walls of efferent ductules?

Aid in moving sperm into the duct of epididymis Signup and view all the answers

How do alternating non-ciliated cuboidal and taller ciliated cells contribute to the efferent ductules' function?

Create fluid flow by absorption and ciliary activity Signup and view all the answers

Which cells are responsible for absorbing fluid secreted by Sertoli cells in the efferent ductules?

Simple cuboidal cells Signup and view all the answers

What is the primary role of the scalloped lining in the efferent ductules of the testis?

Facilitation of fluid flow through ciliary action Signup and view all the answers

What is the main energy source for sperm found in the fluid from seminal vesicles?

Fructose Signup and view all the answers

Which component of the fluid from seminal vesicles stimulates activity in the female reproductive tract?

Prostaglandins Signup and view all the answers

What is the primary function of fibrinogen in the fluid from seminal vesicles?

Coagulate semen after ejaculation Signup and view all the answers

What type of cells line the folds of the exocrine gland mentioned in the text?

Pseudostratified columnar epithelial cells Signup and view all the answers

Which component in the ejaculate is responsible for allowing semen to coagulate after ejaculation?

Fibrinogen Signup and view all the answers

In which gland is secretion dependent on testosterone according to the text?

Prostate gland Signup and view all the answers

What type of fibers are found in the lamina propria surrounding the folds of the exocrine gland?

Elastic fibers Signup and view all the answers

What is the main function of transferrin in the male reproductive system?

Supply plasma factors for growth and differentiation Signup and view all the answers

Which hormone stimulates the production of nutrients and androgen-binding protein in the testis?

Follicle-stimulating hormone (FSH) Signup and view all the answers

What is the primary role of inhibin secreted by endocrine cells in the testis?

Suppress FSH synthesis and release Signup and view all the answers

Which condition is orchitis usually secondary to in the male reproductive system?

Secondary to UTI Signup and view all the answers

What happens to the embryonic Mullerian/paramesonephric ducts in the absence of Mullerian-inhibiting substance (MIS)?

They form parts of the female reproductive system Signup and view all the answers

What is the clinical consequence of chronic inflammation of the testis known as orchitis?

Involvement of ducts connecting testis to epididymis Signup and view all the answers

What is the main role of residual bodies in spermiogenesis?

Aid in discarding excess cytoplasm from developing spermatozoa Signup and view all the answers

What is the primary function of tubuloacinar glands within the prostate gland?

Produce prostaglandins Signup and view all the answers

Which zone of the prostate gland contains the most numerous main glands?

Peripheral zone Signup and view all the answers

What is the main role of prostate-specific antigen (PSA) produced by the prostate gland?

Liquefies coagulated semen Signup and view all the answers

What primarily makes up corpora amylacea found in the prostate gland?

Deposited glycoproteins and keratin sulfate Signup and view all the answers

In which part of the prostate gland does the prostatic urethra run through?

Transition zone Signup and view all the answers

What is the characteristic feature of corpora amylacea found in the lumens of tubuloacinar glands in the prostate gland?

Partially calcified and lamellar nature Signup and view all the answers

Which zone of the prostate gland surrounds the superior portion of the urethra?

Transition zone Signup and view all the answers

Sperm Maturation in Epididymis Quiz

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Questions and Answers

What is the approximate total length of seminiferous tubules in 1 testis?

Which cells secrete androgens in the testis?

What is the main function of Sertoli cells in the seminiferous tubules?

Where do sperm travel to from the rete testis?

What is the main function of the prostate gland?

Which zone of the prostate gland surrounds the superior portion of the urethra?

What are corpora amylacea found in the prostate gland primarily composed of?

Which type of epithelium lines the tubuloacinar glands within the prostate gland?

Which organelle acts as a basal body and organizes the axoneme of the flagellum?

During the acrosomal phase, what is the main enzyme found in the acrosome of the sperm?

What is the main function of the acrosomal reaction during fertilization?

Which phase involves the shedding of unneeded cytoplasm and loss of intercellular bridges from each spermatozoon?

What is the primary role of exosomes and vesicles released from multivesicular bodies in the male reproductive system?

Which process occurs during the passage of sperm through the ducts over 2-4 weeks?

What is the primary function of the ductus deferens in the male reproductive system?

Where do the ejaculatory ducts open in the male reproductive system?

What is the key role of accessory glands like seminal vesicles in male reproduction?

How does the thick muscular wall of the ductus deferens aid in male reproduction?

What type of cells initially line the short straight tubules connecting the loops of seminiferous tubules to the rete testis?

What is the main role of the non-ciliated cuboidal cells in the efferent ductules of the testis?

Which structure supports the interconnected channels of the Rete testis?

What is the function of the thin layer of circular smooth muscle cells in the walls of efferent ductules?

How do alternating non-ciliated cuboidal and taller ciliated cells contribute to the efferent ductules' function?

Which cells are responsible for absorbing fluid secreted by Sertoli cells in the efferent ductules?

What is the primary role of the scalloped lining in the efferent ductules of the testis?

What is the main energy source for sperm found in the fluid from seminal vesicles?

Which component of the fluid from seminal vesicles stimulates activity in the female reproductive tract?

What is the primary function of fibrinogen in the fluid from seminal vesicles?

What type of cells line the folds of the exocrine gland mentioned in the text?

Which component in the ejaculate is responsible for allowing semen to coagulate after ejaculation?

In which gland is secretion dependent on testosterone according to the text?

What type of fibers are found in the lamina propria surrounding the folds of the exocrine gland?

What is the main function of transferrin in the male reproductive system?

Which hormone stimulates the production of nutrients and androgen-binding protein in the testis?

What is the primary role of inhibin secreted by endocrine cells in the testis?

Which condition is orchitis usually secondary to in the male reproductive system?

What happens to the embryonic Mullerian/paramesonephric ducts in the absence of Mullerian-inhibiting substance (MIS)?

What is the clinical consequence of chronic inflammation of the testis known as orchitis?

What is the main role of residual bodies in spermiogenesis?

What is the primary function of tubuloacinar glands within the prostate gland?

Which zone of the prostate gland contains the most numerous main glands?

What is the main role of prostate-specific antigen (PSA) produced by the prostate gland?

What primarily makes up corpora amylacea found in the prostate gland?

In which part of the prostate gland does the prostatic urethra run through?

What is the characteristic feature of corpora amylacea found in the lumens of tubuloacinar glands in the prostate gland?

Which zone of the prostate gland surrounds the superior portion of the urethra?

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