oligoamnios |
Synonym: oligohydramnios. Origin: oligo-+ amnion (05 Mar 2000) |
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oligocene |
<geology> Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods. The Oligocene period. Origin: Oligo- + Gr. New, recent. Source: Websters Dictionary (01 Mar 1998) |
oligochaeta |
<zoology> An order of Annelida which includes the earthworms and related species. Origin: NL, fr. Gr. Little, pl, few + hair. Source: Websters Dictionary (01 Mar 1998) |
oligochete |
<zoology> Of or pertaining to the Oligochaeta. Source: Websters Dictionary (01 Mar 1998) |
oligocholia |
A deficient secretion of bile. Origin: oligo-+ G. Chole, bile (05 Mar 2000) |
oligochylia |
A deficiency of gastric juice. Origin: oligo-+ G. Chylos, juice (05 Mar 2000) |
oligochymia |
A deficiency of chyme. Origin: oligo-+ G. Chymos, juice (05 Mar 2000) |
oligoclase |
<chemical> A triclinic soda-lime feldspar. See Feldspar. Origin: Oligo- + Gr. Fracture, fr. To break. Source: Websters Dictionary (01 Mar 1998) |
oligoclonal band |
Small discrete bands in the gamma globulin region of the spinal fluid electrophoresis, indicating local central nervous system production of IgG; bands are frequently seen in patients with multiple sclerosis but can also be found in other diseases of the central nervous system including syphilis, sarcoidosis, and chronic infection or inflammation. (05 Mar 2000) |
oligocystic |
Consisting of only a few cysts, as occasionally observed in certain examples of hydatidiform mole and other lesions that ordinarily have numerous cysts. Origin: oligo-+ G. Kystis, bladder, cyst (05 Mar 2000) |
oligodactyly |
Oligodactylia Presence of fewer than five digits on one or more limbs. Origin: oligo-+ G. Daktylos, finger or toe (05 Mar 2000) |
oligodendria |
A class of neuroglial (macroglial) cells in the central nervous system. Oligodendroglia may be called interfascicular, perivascular, or perineuronal satellite cells according to their location. The most important recognised function of these cells is the formation of the insulating myelin sheaths of axons in the central nervous system. (12 Dec 1998) |
oligodendroblast |
A primitive glial cell that is the normal precursor cell of the oligodendrocyte. (05 Mar 2000) |
oligodendroblastoma |
<tumour> Obsolete term for oligodendroglioma. Origin: oligo-+ G. Dendron, tree, + blastos, germ, + -oma (05 Mar 2000) |
oligodendrocyte |
Neuroglial cell of the central nervous system in vertebrates whose function is to myelinate CNS axons. (18 Nov 1997) |