Histology of Accessory Sex Glands

Dr SIVARAJ S

DEPT OF PHYSIOLOGY

ALL INDIA INSTITUTE OF MEDICAL SCIENCES

NEW DELHI

30/04/2013

Seminal vesicles

• Location on posterior wall of urinary bladder

Paired

Elongate

Highly folded tubular glands

Lower magnification H&E x20

• Tortuous tubular structure

• In section exhibits honey combing pattern

• Mucosa characterized by extensive folding

• Rests on thick smooth muscle investment

Micheal H Ross Histology A Text and atlas,6th Ed 2011

Higher magnification H&E x500

• Shows the mucosal folds surfaced by pseudo stratified columnar epithelium

Basal cells

Micheal H Ross Histology A Text and atlas,6th Ed 2011

Prostate

• Location inferior to bladder, where it surrounds the prostatic part of urethra

• Histlogically composed of

– Glands

– Stroma

Low magnification H&E x47

Fibromuscularstroma

Tubuloalveolar glands

Micheal H Ross Histology A Text and atlas,6th Ed 2011

Concretions

High magnification H&Ex178

Micheal H Ross Histology A Text and atlas,6th Ed 2011

Pseudostratifiedcolumnar

epithelial cells

Zones

70% more susceptible

to carcinoma &

inflammation

25% resistant to

carcinoma &

inflammation

5% BPH

5% Dense irregular

connective tissue

with large amount of

smooth muscle fibers

Sabiston Text Book of Surgery 18th Ed, 2007

Bulbourethral Glands of Cowper

• Location pair of pea sized bodies lying posterolateral to membranous urethra

• Secretory units are mainly tubulo-alveolarin form

• The main secretory duct is lined by simple columnar epithelium

Micheal H Ross Histology A Text and atlas,6th Ed 2011

Low magnification x40

Ducts lined by simple columnar

epitheliumMucus secreting cells

Micheal H Ross Histology A Text and atlas,6th Ed 2011