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The function of the corpus spongiosum in erection is to prevent the urethra from pinching closed, thereby maintaining the urethra as a viable channel for ejaculation. To do this, the corpus spongiosum remains pliable during erection while the corpora cavernosa penis become engorged with blood.
Glans insufficiency syndrome, also known as soft glans, cold glans, or glans insufficiency, is a medical condition that affects male individuals.This condition is characterized by the persistent inability of the glans penis to achieve and maintain an erect or turgid state during sexual arousal, remaining soft and cold.
They continue into the dorsal aspect of the shaft forming the two corpora cavernosa that are separated by the septum of the penis. [5] During arousal, the root and the corpora cavernosa engorge with blood and become rigid . Meanwhile, the corpus spongiosum remains pliable making the urethra a viable channel for semen during ejaculation. [6]
Actually, there are two main ones in the genitals, and together they’re called the corpora cavernosa (there’s also a third, softer one called the corpus spongiosum).
Diagram of the arteries of the penis and its glans The glans penis as the expansion of the corpus spongiosum. The glans penis is a body of spongy erectile tissue that is moulded on the rounded ends of the two corpora cavernosa penis, [9] extending farther on their upper than on their lower surfaces.
These medications are all types of vasodilators and cause tumescence within 15 minutes. Common side effects include priapism, bruising, fibrosis, Peyronie's disease, and pain. [citation needed] Priapism is also often treated with intracavernous injections, usually with sympathomimetic vasoconstricting drugs like adrenaline or phenylephrine.
The corpora cavernosa are innervated by lesser and greater cavernous nerves and form most of the penis containing blood vessels that fill with blood to help make an erection. [8] The crura are the proximal parts of the corpora cavernosa. The corpus spongiosum is an erectile tissue surrounding the urethra.
The tunica albuginea is the fibrous envelope that extends the length of the corpus cavernosum penis and corpus spongiosum penis. It is a bi-layered structure that includes an outer longitudinal layer and an inner circular layer. [1]