Home > Sex > Need-to-know > Glossary 09 February 2004 Corpus spongiosum Corpus spongiosum: The tissue that runs along the underside of the penis and encapsulates the urethra. 0 Pin It Check Are you a sex addict? » Ask Sexologist » Talk Heart to heart » Quiz Are you ready for sex? » The tissue that runs along the underside of the penis and encapsulates the urethra. More in Sex Cystitis More: Need-to-knowGlossary advertisement Get a quote Selfmed - the one with the apple Momentum - save up to 35% on healthcare Medihelp - quality, affordable medical scheme cover advertisement Read Health24’s Comments Policy Comment on this story 0 comments Add your comment Thank you, your comment has been submitted. Logout Comment 0 characters remaining Share on Facebook Logout Comment 0 characters remaining Share on Facebook Loading comments... From our sponsors Don’t be taken by surprise this winter, keep your defences up with Vital Hop, skip and jump through winter with Hill’s Pet Nutrition Age-related bone loss is higher in women Conduct your most important Medihelp business from your mobile phone Live healthier Fight off the flu » Flu-proof your home Flu guide Sleep soundly Flu season Boost your defences this winter. Brush up on your smile » Dental caries Bad breath Ask the expert How to brush your teeth Here's the correct way to brush your teeth.