Body orifice

(Redirected from Body opening)

A body orifice is any opening in the body of an animal.

External

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In a typical mammalian body such as the human body, the external body orifices are:

Other animals may have some other body orifices:

Internal

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Internal orifices include the orifices of the outflow tracts of the heart, between the heart valves.

See also

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References

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  1. ^ Hall, Margaret I.; Rodriguez-Sosa, José R.; Plochocki, Jeffrey H. (2017-08-23). "Reorganization of mammalian body wall patterning with cloacal septation". Scientific Reports. 7 (1). Springer Science and Business Media LLC. doi:10.1038/s41598-017-09359-y. ISSN 2045-2322. PMC 5569103.