Ostium
Ostium
Ostium (pronounced: /ˈɒstiəm/), from the Latin word ostium meaning "door" or "entrance", is a term used in medicine to refer to any type of opening or entrance in the body.
Etymology
The term ostium is derived from the Latin word ostium, which translates to "door" or "entrance". This term is used in medical terminology to describe various types of openings in the body.
Definition
In medical terminology, an ostium is a small opening or orifice, particularly one in the body, such as a nostril or the opening of a follicle. It can also refer to the opening into a vessel or the cavity of a hollow organ.
Related Terms
- Ostium Primum: The first opening in the embryonic heart during the development of the heart's atrial septum.
- Ostium Secundum: A secondary opening in the embryonic heart that forms during the development of the heart's atrial septum.
- Ostium Maxillare: An opening in the maxillary sinus that allows for drainage.
- Ostium Uterine tube: The opening of the uterine tube into the uterus.
See Also
External links
- Medical encyclopedia article on Ostium
- Wikipedia's article - Ostium
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