Penis

Definition

The penis is the male external genital organ involved in sexual reproduction and urination. It plays a significant role in the transmission of urogenital infections.

5 Must Know Facts For Your Next Test

1. The penis can harbor various normal microbiota, including bacteria like Lactobacillus and Staphylococcus.
2. It can be a vector for sexually transmitted infections (STIs) such as gonorrhea, chlamydia, and syphilis.
3. The penile microbiome can influence susceptibility to infections by altering local immune responses.
4. Circumcision has been shown to affect the microbial composition of the penis, potentially reducing the risk of certain STIs.
5. Pathogens like human papillomavirus (HPV) can infect the penile tissue and are associated with penile cancer.

Related terms

Urethra:

A tube that carries urine from the bladder to outside the body and also serves as a passageway for semen during ejaculation.

Prepuce: Another term for foreskin, it covers and protects the glans penis.

Microbiome:

The collection of microorganisms living in a specific environment, such as on or within human tissues.