Male sexual admission to external genital organs with urine and semen emissions.Inside contains erectile tissue and ejaculation and urination, there is a channel & mdash; & mdash; urethra.
The penis itself consists of two penis sponge and a urethral sponge body.The two penis sponge bodies are parallel to the back of the penis, with thick white film surrounded. The white film forms a comb on the middle line at the middle line, which can communicate the left and right sponge bodies.The sponge bodies of the penis on the left and right penis are attached to the pubic bone.The penis sponge body is composed of sinus gaps that are mostly intertwined into the net, and are in line with arteries and veins. They are functional tissues of penile erection.
Adults have different sizes of peniles. As usual, the penis with a small scattered model has a large growth rate after erection, and the larger growth rate after erection of the penis is small. ThereforeThe difference after erection is not large.The back of the penis is the root of the penis, the middle part is a cylindrical penile, and the head of the front penis is the outer urethral mouth.
The phimosis refers to the too small in the puzzle, which makes the foreskin's taboos on the penis head. If the foreskin is too long, it means that the foreskin covers carefully the penis head, and the foreskin mouth is not small, which can be turned on the penis head.Infants and young children's foreskin is often physiological. After the youth, the penis head is still delayed to play before it can be called a phimosis or foreskin.
The foreskin is a layer of skin wrapped outside the head of the penis.Flip the foreskin, the glans can be secretly closed in a loop -shaped part called the coronary groove.There are mostly sebaceous glands in the skin next to the coronary groove, which secretes a stinky secretion, which is yellow and white mud, called "foreskin".
(Editor in charge: A Qiu)
