Male reproductive
Test Your Knowledge of Male Reproductive Anatomy
Welcome to the Male Reproductive Quiz! This quiz is designed to challenge your understanding of male reproductive anatomy and physiology.
Whether you are a student, educator, or simply a knowledge enthusiast, you'll find valuable insights and engaging questions. Topics covered include:
- Structure and fun
ction of the prostate - Seminiferous epithelium and spermatogenesis
- Role of Sertoli and Leydig cells
- Epididymis and accessory glands
Prostate:
Composed of three zones: Central, peripheral, transitional
Constitutes 70% of human ejaculate
Fructose is main product of secretion
Glands produce prostatic fluid
� Its branched tubuloalveolar glands emptying into prostatic urethra
� Its glands are lined with columnar pseudostratified epithelium
Is surrounded by fibroelastic capsule rich in smooth muscles that form septa
Find true:
Caput epididymis is included in functional maturation of spermatozoa.
Epididymis is included in process of spermatogenesis.
Epididymis is lined with pseudostratified columnar epithelium with stereocilia
� In cauda epididymis spermatozoa are storage
Leydig cells form interstitial tissue gland of testis
Muscularis of vas deferens is thin and composed of skeletal muscles
Seminal vesicles are reservoirs for spermatozoa
Sertoli cells produce DHT
Sertoli cells are supporting cells in seminiferous epithelium
Three layers of smooth muscles form vas deferens muscularis
Spermatids are divided by mitosis in spermatogenesis
Seminiferous epithelium (SE)
Contains germ cells and Sertoli cells.
Germ cells are divided into spermatogonia, spermatocytes and spermatids
Germinal cells are physically supported by Leydig cells
Sertoli cells are supporting cells
Spermatogonia include spermatogonia Ad, Ap, B.
Spermatogonia Ad in man are spermatogonial stem cells
Spermatocytes include primary and secondary
Ductuli efferentes
Are also called straight tubules
Are included in reabsorption of rete testis flui
Are included in the tail (cauda) of the epididymis
� Are lined by one type of epithelial cell
Are lined with simple squamous epithelium
Are lined with type of pseudostratified columnar epithelium.
Concentrate of spermatozoa before entering the proximal part of epididymis
Connect channels of rete testis to proximal portion of duct of epididymis
Connect the straight tubules to channels of rete testis
Epithelium contains cuboidal and columnar cells
Together with proximal part of epididymal duct make the head (caput) epididymis
The blood-testis barrier (BBT)
Divides the seminiferous epithelium into two compartments: basal and adlumina
Each compartment contains favourable microenvironment for germ cells
Is created between the capillaries within the seminiferous epithelium
Is created by occluding junctions between cytoplasmic processes of Sertoli cells
Isolates the haploid germ cells from own immunological system
Within adluminal compartment are primary and secondary spermatocytes, spermatids
� Within the basal compartment spermatogonia and preleptotene spermatocytes are located
Seminiferous tubule
Is composed of seminiferous epithelium and lamina propria
Leydig cells are located between germ cells of the epithelium
Seminiferous epithelium contains germ cells and Sertoli cells
Seminiferous epithelium is pseudostratified
Sertoli cells of seminiferous epithelium are supporting cells
There are no blood vessels
There are no lymphatic vessels in tubule
Tubules are convoluted and have the form of loops
Accessory glands in male reproductive system
Bulbourethral glands are tubuloalveolar glands.
� Fructose is the main component of prostate fluid
Glands of prostate are lined with columnar pseudostratified epithelium(canb be)
Include seminal vesicles, prostate and bulbourethral glands
Nclude also spermatic cord
� Mucosa seminal vesicles is lined cuboidal or pseudostratified columnar epithelium.
Only small volume of human ejaculate originates in seminal vesicles
� Prostate is surrounded by fibroelastic capsule rich in smooth muscles
Produce secretion
The prostate consists of two highly tortuous tubes
The only small volume of human ejaculate originates in seminal vesicles
The seminal vesicles are reservoirs for spermatozoa
Secretory parts of bulbourethral glands are lined with mucus-secreting simple cuboidal epithelium
Testis
Between the seminiferous tubules interstitial tissue is located
Each lobule consists of one to four seminiferous tubules
Each seminiferous tubule contains seminiferous epithelium
Each seminiferous tubule is surrounded by lamina propria
N lumen of seminiferous tubules are Leydig cells located
In lumen of seminiferous tubules are Sertoli cells located
S divided into lobules by connective tissue septa
Tunica albuginea consists of thick, dense connective tissue
Tunica albuginea covers each testis
Tunica albuginea is a type of stratified epithelium
Interstitial tissue of testis
Contains endocrine interstitial gland
Contains lymphatic vessels
� Does not contain lymphatic vessels
Is found between seminiferous tubules
Leydig cells
Are controlled by FSH
� Located in interstitial tissue of testi
Produce testosterone
Produce dihydrotestosterone
Supporting cells in seminiferous epithelium
Spermatogenesis
� Is process formation of spermatozoa.
Process formation of spermatozoa
Spermatogenesis in man lasts 74 days
Spermatogonia Ad undergo modification in spermiogenesis
� Spermatids undergo modification in spermiogenesis(dont know actually)
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