Male Reproductive System

Lab Orientation

S.K. Kim and J.M. Velkey

EpididymisHead

Body

Tail

Ductus deferens

From Netter

Male Genitalia, Testis

Testis

Penis

Testis

lobule

Rete testis in mediastinum testis

Testis

Epi

didy

mis

Du

ctu

s d

efer

ens

Efferent ducts

Slide 270

From J.M. Velkey

#270 Seminiferous tubulesA. Spermatogonia B. Primary spermatocytes

C. Spermatids D. Sertoli cells E. Leydig cells

E

E

C

B

D

A

C

UCSF slide 363 UCSF slide 363 seminiferous tubulesseminiferous tubulesFrom J.M.

Velkey

#275 Mediastinum testis and Epididymis

Seminiferous tubules in testis

Rete testis in mediastinum

Efferent ducts

Epididymis

Seminiferous tubules

Rete testis (in mediastinum)

Efferent ductEpididymis

#275: Transition from rete testis to efferent duct

#275: Transition from rete testis to efferent duct

Rete Testis

Efferent duct

Slide 273, immature testis, H&E, 40x obj.Slide 273, immature testis, H&E, 40x obj. from J.M. Velkey from J.M. Velkey

Interstitial tissue (some Leydig cells)Interstitial tissue (some Leydig cells)

seminiferous tubuleseminiferous tubule

SertoliSertolicellscells

spermatigoniaspermatigonia

#284 -- Spermatic cord (in inguinal canal)

Ductus deferens

Testicular artery

Pampiniform plexus of veins

#75 Seminal vesicle

Urinary bladder

Prostate gland Amuplla of

ductus deferens

Seminalvesicle

#75 Seminal vesicle

Parasympathetic ganglion

Slide 279, seminal vesicle, H&E, 40x obj.Slide 279, seminal vesicle, H&E, 40x obj.

lumen lined bylumen lined byhighly folded mucosahighly folded mucosa

(simple columnar epith.)(simple columnar epith.)

lipofuscin granuleslipofuscin granules

smooth musclesmooth muscle

From J. Velkey

Prostate GlandFrontal section Saggital section

Urinary Bladder

Urinary Bladder

Prostate gland

Colliculus seminalis

Prostatic utricle

Opening of ejaculatory duct

Penile urethra

Prostate GlandCross section Frontal section

Prostatic urethra

Prostatic utricle

Colliculus seminalis

Ejaculatory ducts

# 281 -- Prostate gland

From J.M. Velkey

Slide 281, prostate, H&E, 4x obj.Slide 281, prostate, H&E, 4x obj.

glandsglands

Smooth muscle Smooth muscle in stromain stroma

From J.M. Velkey

#281-1ex Trichrome Stroma: collagen & smooth muscle

#282 Prostate (concreti

ons)

Concretion

#281 Ejaculatory duct Lined by simple

columnar epitheliun that becomes stratified near the terminal

X-section through body of penis

urethraCorpus spongiosum

Superficial dorsal vein

Deep dorsal vein

Lateral superficial vein

Dorsal artery

Deep artery

Corpus cavernosum

Tunica albuginia

Netter

#286 -- Cross section of penis

From J.M. Velkey

Urethra

Tunicaalbuginea

#286 -- Wall of penis #286 -- Wall of penis

corpus cavernosumcorpus cavernosum

tunica albugineatunica albuginea

neurovascular bundleneurovascular bundle

From J.M. Velkey

#286 -- Corpus cavernosum#286 -- Corpus cavernosum

vascular spacevascular space(lined by endothelium)(lined by endothelium)

deep arterydeep artery

nervenerve

From J.M. Velkey

trabecula (c.t., helicine arterioles,smooth muscle)