The penis can be anatomically divided into three parts: Root – the most proximal, fixed part of the penis. It is located in the superficial perineal pouch of the pelvic floor, and is not visible externally. The root contains three erectile tissues (two crura and bulb of the penis), and two muscles (ischiocavernosus and bulbospongiosus)/5.
Mar 20, · Joseph Hopper is correct—it’s not a muscle. It consists mostly of three long columns of spongy tissue full of tiny spaces called blood sinusoids. It becomes erect when arteries of the penis dilate and blood flows into these sinusoids faster than i.
All muscle contains actin and myosin, which are important for muscle relaxation and growth. The penis largely consists of smooth muscle (as a side note, the base of the penis also consists of skeletal muscles known as your pelvic floor muscles). Healthy Smooth Muscle is Essential for Healthy ErectionsAuthor: Rob Michaels.
The penis is the male sex organ, reaching its full size during puberty. In addition to its sexual function, the penis acts as a conduit for urine to leave the body. The penis is made of several parts:Author: Matthew Hoffman, MD.