Expulsion
Expulsion
Expulsion (/ɪkˈspʌlʃən/), from the Latin expulsio, is a term used in various fields of medicine to describe the process of forcing or driving out. It is often used to refer to the act of ejecting matter from the body, such as in childbirth or the elimination of waste.
Etymology
The term "expulsion" originates from the Latin expulsio, from expellere meaning "to drive out". The prefix ex- means "out of" and pellere means "to drive".
In Obstetrics
In Obstetrics, expulsion refers to the phase of childbirth where the baby is delivered, following the dilation of the cervix. This process involves strong uterine contractions and active pushing by the mother.
In Gastroenterology
In Gastroenterology, expulsion can refer to the elimination of waste from the body through the rectum, also known as defecation. It can also refer to the act of vomiting, where the stomach expels its contents through the mouth.
In Ophthalmology
In Ophthalmology, expulsion is used to describe the process where an intraocular foreign body is forced out of the eye due to high intraocular pressure.
Related Terms
- Ejection: A term often used interchangeably with expulsion, particularly in cardiology to describe the act of the heart pumping blood into the circulatory system.
- Excretion: The process by which waste products of metabolism are eliminated from the body.
- Evacuation: In medicine, this term can refer to the removal of something from a body cavity, such as in the evacuation of a hematoma.
External links
- Medical encyclopedia article on Expulsion
- Wikipedia's article - Expulsion
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