OSIS or ''variant'' may refer to: ;OSIS * Open Source Information System * Open Scripture Information Standard * ''Organisasi Siswa Intra Sekolah'', Indonesian for Intra-school students organization ;-osis The suffix ''

-osis OSIS or ''variant'' may refer to: ;OSIS * Open Source Information System * Open Scripture Information Standard * ''Organisasi Siswa Intra Sekolah'', Indonesian for Intra-school students organization ;-osis The suffix ''wikt:-osis, -osis'' is used ...

'' is used for forming a number of medical terms. The suffix itself signifies only a general functional disorder, but the constructed words are more specific. It is often used to denote a biological process (i.e.

Apoptosis Apoptosis (from grc, ἀπόπτωσις, apóptōsis, 'falling off') is a form of programmed cell death that occurs in multicellular organisms. Biochemical events lead to characteristic cell changes (morphology) and death. These changes incl ...

, Phagocytosis,

Necrosis Necrosis () is a form of cell injury which results in the premature death of cells in living tissue by autolysis. Necrosis is caused by factors external to the cell or tissue, such as infection, or trauma which result in the unregulated dige ...

...) ;Osis Osis (feminine: Ose), is a

Latvian language Latvian ( ), also known as Lettish, is an Eastern Baltic language belonging to the Baltic branch of the Indo-European language family, spoken in the Baltic region. It is the language of Latvians and the official language of Latvia as well as ...

surname meaning "

ash Ash or ashes are the solid remnants of fires. Specifically, ''ash'' refers to all non-aqueous, non- gaseous residues that remain after something burns. In analytical chemistry, to analyse the mineral and metal content of chemical samples, ash ...

" (tree; ''Fraxinus excelsior'') * Guntis Osis (born 1962), Soviet Latvian bobsledder * Karlis Osis (1917–1997), paranormal researcher

See also