Olig(o) Health Dictionary

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Olig(o): From 1 Different Sources

A pre?x which means little or scanty: for example, oliguria, excretion of smaller than normal quantities of urine.
Health Source: Medical Dictionary
Author: Health Dictionary

Oligospermia

A less-than-normal number of sperm (see SPERMATOZOON) present in each unit volume of seminal ?uid (each ml of semen usually contains 20 million sperm). The condition may be permanent or temporary and is a major cause of INFERTILITY in men. It may be caused by ORCHITIS, an undescended testis, or VARICOCELE, and should be investigated.... oligospermia

Oliguria

An abnormally low excretion of URINE, such as occurs in acute NEPHRITIS.... oliguria

Oligaemia

A diminution of the quantity of blood in the circulation.... oligaemia

Oligomenorrhoea

Infrequent MENSTRUATION.... oligomenorrhoea

Oligodendroglioma

A rare and slowgrowing type of primary brain tumour mainly affecting young or middle-aged adults.

Surgical removal of the tumour can, in some cases, lead to a total cure.... oligodendroglioma

Oligohydramnios

A rare condition in pregnancy in which there is insufficient amniotic fluid surrounding the fetus in the uterus.... oligohydramnios

Oligo-

A prefix meaning few, scanty or little, as in oligospermia (too few sperm in the semen).... oligo-

Olig

(oligo-) combining form denoting 1. few. 2. a deficiency.... olig

Oligoarthritis

n. see arthritis.... oligoarthritis

Oligoclonal Bands

immunoglobulin bands found in the cerebrospinal fluid (CSF) taken at *lumbar puncture. Bands isolated only in the CSF and not in the serum indicate local synthesis and are seen in such conditions as multiple sclerosis.... oligoclonal bands

Oligodactylism

n. the congenital absence of some of the fingers and toes.... oligodactylism

Oligodendrocyte

n. one of the cells of the *glia, responsible for producing the *myelin sheaths of the neurons of the central nervous system and therefore equivalent to the *Schwann cells of the peripheral nerves.... oligodendrocyte

Oligodipsia

n. a condition in which thirst is diminished or absent.... oligodipsia

Oligodontia

n. the congenital absence of more than six teeth in the primary or permanent dentition or both. It is usually part of a syndrome and seldom occurs as an isolated entity.... oligodontia

Oligo-ovulation

n. infrequent occurrence of ovulation.... oligo-ovulation

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