Definition of corpus cavernosum in US English:

corpus cavernosum


  • Either of two masses of erectile tissue forming the bulk of the penis and the clitoris.

    • ‘Injections into the corpora cavernosa may be used as a diagnostic procedure to assess erectile response, and have been enthusiastically taken up by some practitioners as a treatment.’
    • ‘This increased flow of blood fills up the two corpora cavernosa resulting in an erection.’
    • ‘However, at this point in time robust registration of fast and small changes in the corpus cavernosum smooth muscle action potential is not possible.’
    • ‘Sildenafil, the first oral drug marketed for the treatment of erectile dysfunction, relaxes smooth muscle in the corpora cavernosa, enabling erection during arousal.’
    • ‘Eleven patients had an accessory vessel in the corpus cavernosum arising from the dorsal penile artery.’


From corpus and Latin cavernosum, neuter of cavernosus ‘containing hollows’.


corpus cavernosum

/ˌkôrpəs ˌkavərˈnōsəm/