In anatomy, a meatus is a natural body opening or canal (pl. meatus, pronounced me-a-tuus, or meatuses). Anatomical drawing of the human muscles from the Encyclopédie. ... In a typical mammalian body such as the human body, the body orifices are: the nostrils, for breathing and the associated sense of smell the mouth, for eating and vocalizations such as speech the ear canals, for the sense of hearing the anus, for defecation the urethra, for urination (and...

Examples include:

• the auditory meatus, the opening of the ear canal
• the urinary meatus, which is the opening of the urethra, situated on the glans penis in males, and in the vulva in females

See also: Anatomy of the human ear. ... Female anatomy In anatomy, the urethra is a tube which connects the urinary bladder to the outside of the body. ... Glans penis. ... Complete external female genital anatomy Labeled picture of external female reproductive anatomy. ...

• mucous membrane