Category: O
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Organismic age
A summary of a whole range of age comparisons including educational, mental, dental, carpal (wrist), height, weight, and social as compared to established norms.
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Orchiopexy
An operation to bring one or both undescended testes down into the scrotum when they have failed to descend on their own before or after birth. Normally performed in a hospital under general anesthesia when the boy is between ages one and five, orchiopexy involves making a small incision in the groin and, through that,…
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Orchioectomy
An operation to remove one or both testes. In adults such an operation is often performed in cases of cancer of the testicles; but in infants or young boys, orchioectomy may be done to remove a testicle that has failed to develop normally or in cases of irreparable damage due to torsion of the testis.…
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Oral herpes
A type of herpes simplex infection affecting the mouth area.
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Open university
A type of external degree program that allows people to gain college credit with little or no attendance at regular courses on a college campus, often offering a combination of correspondence school study and learning via radio and television broadcasts.
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Open scholarship
A type of scholarship for which anyone may apply, without restrictions.
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Open adoption
A form of adoption in which birth and adoptive parents have some full or direct contact with each other.
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Obstetrician-gynecologist
A physician who specializes in providing medical and surgical care related to the female reproductive system, throughout their adult lives, including during pregnancy. Some obstetricians specialize only in care of women during pregnancy, and some gynecologists specialize only in care of the female reproductive system apart from pregnancy, but most carry out both activities. Obstetricians…
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Obligated parent
The parent who has been ordered by a court to pay child support, such as a noncustodial parent pays to help support the child in the custody of the custodial parent; also called the responsible parent.
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Ottitus media
Otitis Media (OM) is characterized by an inflammation of the middle ear and is typically associated with an accumulation of fluid. This fluid may or may not be infected. Infection is usually a bacterial or viral infection secondary to a cold, sore throat, or other respiratory problem. When the fluid is not infected, it results…