Body orifice
Body Orifice
A body orifice (pronounced: /ˈbɒdi ˈɔːrɪfɪs/) is any opening in the body of a living organism that allows for connections between the external and internal environment.
Etymology
The term "orifice" originates from the Latin word "orificium," which means an opening or hole. "Body" is derived from the Old English "bodig," which refers to the physical structure of a human or animal.
Types of Body Orifices
There are several types of body orifices in humans and animals, including:
- Mouth: The opening through which an organism takes in food and breathes.
- Nostrils: The two openings of the nose, which allow for the intake of air.
- Ears: The openings that allow for the perception of sound.
- Eyes: The openings that allow for vision.
- Anus: The opening at the end of the alimentary canal through which waste is expelled.
- Urethra: The opening through which urine is expelled from the body.
- Vagina: In female mammals, the opening that leads to the uterus.
Related Terms
- Alimentary canal: The passage along which food passes through the body from mouth to anus.
- Urogenital opening: In many animals, a single opening used for both excretion and reproduction.
- Respiratory tract: The passageway that conducts air from the nose and mouth to the lungs.
External links
- Medical encyclopedia article on Body orifice
- Wikipedia's article - Body orifice
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