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'''Corpus spongiosum'''
 
'''Corpus spongiosum'''
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The corpus spongiosum is a vascular tissue sleeve surrounding the urethra. It commences at the bulb of the penis as an enlargement of the spongy tissue of the pelvic urethra. At the end of the penis the copus spongiosum expands over the distal end of the corpus cavernosum to form the '''Glans penis''', bringing the urethra to the extremity of the penis. There is a great variation in the morphology of the glans penis between species which often correspond to the female tract morphology. For example the boars “corkscrew” glans penis corresponds to the many interdigitating prominences of the sow’s cervix. The glans penis is highly populated with sensory nerves.
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The corpus spongiosum is a vascular tissue sleeve surrounding the urethra. It commences at the bulb of the penis as an enlargement of the spongy tissue of the pelvic urethra. At the end of the penis the corpus spongiosum expands over the distal end of the corpus cavernosum to form the '''Glans penis''', bringing the urethra to the extremity of the penis. There is a great variation in the morphology of the glans penis between species which often correspond to the female tract morphology. For example the boars “corkscrew” glans penis corresponds to the many interdigitating prominences of the sow’s cervix. The glans penis is highly populated with sensory nerves.
    
'''Prepuce'''
 
'''Prepuce'''
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