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<\/a>Penis<\/h3>\n<\/span>\n\n\nThe penis is an erectile tissue used for intercourse and urination.<\/p>\n\n\n<\/span>\nLayers<\/h4>\n<\/span>\n\n\n- Skin
- The skin of the penis is very thin and does not contain fat<\/li>
- The skin fold covering the glans is known as prepuce<\/strong> (foreskin)<\/li><\/ul><\/li>
- Superficial fascia (dartos fascia)<\/li>
- Deep fascia (Buck\u2019s fascia)<\/li>
- Tunica albuginea<\/li><\/ol>\n\n\n\n
Underneath the skin, we have the superficial neurovasculature (one dorsal vein, 2 arteries, and 2 nerves); underneath the superficial fascia, lie the deep vessels (dorsal vein, and 2 arteries).<\/p>\n\n\n<\/span>\nLigaments<\/h4>\n<\/span>\n\n\n- The fundiform ligament<\/strong> is a superficial extension of Scarpa\u2019s fascia extending from the linea alba of the abdomen to the dorsum and sides of the penile skin<\/li>
- The suspensory ligament<\/strong> is a deep ligament attaching the base of the penis to the pubic symphysis, helping anchor the penis and supporting it during erection<\/li><\/ul>\n\n\n<\/span>\n
Contents<\/h4>\n<\/span>\n\n\n- Inside each corpus, we have a deep artery that supplies it from the internal pudendal artery and branches off to helicine arteries that fill the cavernae with blood<\/li>
- The penis consists of 3 components \u2013 two corpi cavernosi<\/strong> (singular: corpus cavernosum), and one corupus spongiosum<\/strong>
- The corpus spongiosum makes the glans penis, with the coronal sulcus at the attachment onto the corpi cavernosi<\/li>
- The three corpi contain special cavarnae which fill with blood during an erection<\/li>
- They are covered by a thick connective tissue layer known as tunica albuginea<\/strong> which doesn\u2019t allow expansion and increases the pressure leading to an erection
- The corpus spongiosum contains the urethra, therefore its tunica albuginea is much thinner to allow the passage of semen during erection<\/li><\/ul><\/li><\/ul><\/li>
- In terms of the position, we determine it based on an erect penis \u2014 the corpi cavernosi are dorsal and the corpus spongiosum is ventral; this position is the agreed one even though it is reversed when the penis is flaccid<\/li>
- Right before the urethra terminates, it forms a slight dilation known as the navicular fossa<\/strong>, which contains the lacuna magna<\/strong>, the largest of many crypts formed in the urethra<\/li><\/ul>\n\n\n\n
Layers<\/h4>\n<\/span>\n\n\n- Skin
- The skin of the penis is very thin and does not contain fat<\/li>
- The skin fold covering the glans is known as prepuce<\/strong> (foreskin)<\/li><\/ul><\/li>
- Superficial fascia (dartos fascia)<\/li>
- Deep fascia (Buck\u2019s fascia)<\/li>
- Tunica albuginea<\/li><\/ol>\n\n\n\n
Underneath the skin, we have the superficial neurovasculature (one dorsal vein, 2 arteries, and 2 nerves); underneath the superficial fascia, lie the deep vessels (dorsal vein, and 2 arteries).<\/p>\n\n\n<\/span>\nLigaments<\/h4>\n<\/span>\n\n\n- The fundiform ligament<\/strong> is a superficial extension of Scarpa\u2019s fascia extending from the linea alba of the abdomen to the dorsum and sides of the penile skin<\/li>
- The suspensory ligament<\/strong> is a deep ligament attaching the base of the penis to the pubic symphysis, helping anchor the penis and supporting it during erection<\/li><\/ul>\n\n\n<\/span>\n
Contents<\/h4>\n<\/span>\n\n\n- Inside each corpus, we have a deep artery that supplies it from the internal pudendal artery and branches off to helicine arteries that fill the cavernae with blood<\/li>
- The penis consists of 3 components \u2013 two corpi cavernosi<\/strong> (singular: corpus cavernosum), and one corupus spongiosum<\/strong>
- The corpus spongiosum makes the glans penis, with the coronal sulcus at the attachment onto the corpi cavernosi<\/li>
- The three corpi contain special cavarnae which fill with blood during an erection<\/li>
- They are covered by a thick connective tissue layer known as tunica albuginea<\/strong> which doesn\u2019t allow expansion and increases the pressure leading to an erection
- The corpus spongiosum contains the urethra, therefore its tunica albuginea is much thinner to allow the passage of semen during erection<\/li><\/ul><\/li><\/ul><\/li>
- In terms of the position, we determine it based on an erect penis \u2014 the corpi cavernosi are dorsal and the corpus spongiosum is ventral; this position is the agreed one even though it is reversed when the penis is flaccid<\/li>
- Right before the urethra terminates, it forms a slight dilation known as the navicular fossa<\/strong>, which contains the lacuna magna<\/strong>, the largest of many crypts formed in the urethra<\/li><\/ul>\n\n\n\n
- The skin of the penis is very thin and does not contain fat<\/li>
- The skin fold covering the glans is known as prepuce<\/strong> (foreskin)<\/li><\/ul><\/li>
- Superficial fascia (dartos fascia)<\/li>
- Deep fascia (Buck\u2019s fascia)<\/li>
- Tunica albuginea<\/li><\/ol>\n\n\n\n
Underneath the skin, we have the superficial neurovasculature (one dorsal vein, 2 arteries, and 2 nerves); underneath the superficial fascia, lie the deep vessels (dorsal vein, and 2 arteries).<\/p>\n\n\n<\/span>\n
Ligaments<\/h4>\n<\/span>\n\n\n
- The fundiform ligament<\/strong> is a superficial extension of Scarpa\u2019s fascia extending from the linea alba of the abdomen to the dorsum and sides of the penile skin<\/li>
- The suspensory ligament<\/strong> is a deep ligament attaching the base of the penis to the pubic symphysis, helping anchor the penis and supporting it during erection<\/li><\/ul>\n\n\n<\/span>\n
Contents<\/h4>\n<\/span>\n\n\n
- Inside each corpus, we have a deep artery that supplies it from the internal pudendal artery and branches off to helicine arteries that fill the cavernae with blood<\/li>
- The penis consists of 3 components \u2013 two corpi cavernosi<\/strong> (singular: corpus cavernosum), and one corupus spongiosum<\/strong>
- The corpus spongiosum makes the glans penis, with the coronal sulcus at the attachment onto the corpi cavernosi<\/li>
- The three corpi contain special cavarnae which fill with blood during an erection<\/li>
- They are covered by a thick connective tissue layer known as tunica albuginea<\/strong> which doesn\u2019t allow expansion and increases the pressure leading to an erection
- The corpus spongiosum contains the urethra, therefore its tunica albuginea is much thinner to allow the passage of semen during erection<\/li><\/ul><\/li><\/ul><\/li>
- In terms of the position, we determine it based on an erect penis \u2014 the corpi cavernosi are dorsal and the corpus spongiosum is ventral; this position is the agreed one even though it is reversed when the penis is flaccid<\/li>
- Right before the urethra terminates, it forms a slight dilation known as the navicular fossa<\/strong>, which contains the lacuna magna<\/strong>, the largest of many crypts formed in the urethra<\/li><\/ul>\n\n\n\n
- The suspensory ligament<\/strong> is a deep ligament attaching the base of the penis to the pubic symphysis, helping anchor the penis and supporting it during erection<\/li><\/ul>\n\n\n<\/span>\n