The term "bulb of the corpus cavernosum" refers to one of the two bulb-like structures located at the base of the corpus cavernosum, a cylindrical tissue located in the penis. The spelling of this term can be confusing due to the use of the phonetic transcription in the International Phonetic Alphabet (IPA). The "b" in "bulb" is pronounced as an unaspirated voiced bilabial stop (/b/), while the "cavernosum" is pronounced with a voiced velar nasal (/ŋ/) and an aspirated voiceless alveolar fricative (/s/). So, the correct pronunciation of this term is /bʌlb ɒv ðə ˈkɔːrpəs kəˈvɜːrnəsəm/.
The "bulb of the corpus cavernosum" refers to a specific anatomical structure found in the male reproductive system. It is a part of the corpus cavernosum, which is an elongated erectile tissue located in the penis.
The bulb of the corpus cavernosum is situated at the base of the penis, also known as the root. It is positioned underneath the pubic symphysis, making it a deep structure. This bulbous structure is responsible for contributing to the overall rigidity and engorgement of the penis during sexual arousal.
The corpus cavernosum itself is composed of two cylindrical bodies that run parallel along the length of the penis. These bodies are filled with specialized tissue known as cavernous tissue, containing numerous sponge-like spaces called sinusoids. During sexual stimulation, the bulb of the corpus cavernosum, along with the rest of the corpus cavernosum, becomes engorged with blood, resulting in an erection.
The bulb of the corpus cavernosum has a vital role in maintaining a firm erection during sexual activity. Its erectile function is controlled by a complex interplay of hormones, nerve impulses, and local vasodilation. Dysfunction in this area can contribute to erectile dysfunction, a condition characterized by the inability to achieve or maintain an erection.
Understanding the anatomy and function of the bulb of the corpus cavernosum is crucial for healthcare professionals involved in the diagnosis and treatment of male sexual health issues.
Bulbus urethrae.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.