- secretors
- n. thing that emits an excretion, thing that produces a secretion, excretory organ
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Nematode — Not to be confused with ringworm. Nematodes Unidentified roundworm from wet soil. The mouth is at the top left corner. Scientific classification … Wikipedia
ABO blood group system — ABO redirects here. For other uses, see ABO (disambiguation). H substance redirects here. For use in inflammation, see histamine. ABO blood group antigens present on red blood cells and IgM antibodies present in the serum The ABO blood group… … Wikipedia
blood group — Med. any of various classes into which human blood can be divided according to immunological compatibility, based on the presence or absence of specific antigens on red blood cells. Also called blood type. Cf. ABO system, Rh factor. [1915 20] * * … Universalium
Lewis blood group system — ▪ physiology classification of human blood based on the expression of glycoproteins called Lewis (Le) antigens (antigen) on the surfaces of red blood cells (erythrocyte) or in body fluids, or both. The Lewis antigen system is intimately… … Universalium
ABO blood group — See Blood Groups appendix. * * * ABO blood group .ā (.)bē ō n one of the four blood groups A, B, AB, or O comprising the ABO system * * * the major human blood group system, dependent on the presence or absence of A and B antigens, which are… … Medical dictionary
secretor — An individual whose bodily fluids (saliva, semen, vaginal secretions) contain a water soluble form of the antigens of the ABO blood group. Secretors constitute 80% of the population. In forensic medicine, the examination of fluids has enhanced… … Medical dictionary
Microbial cooperation — Microorganisms engage in a wide variety of social interactions, including cooperation. A cooperative behavior is one that benefits an individual (the recipient) other than the one performing the behavior (the actor).[1] This article outlines the… … Wikipedia
Lewis blood group — n any of a system of blood groups controlled by a pair of dominant recessive alleles and characterized by antigens which are released into body fluids, are adsorbed onto the surface of red blood cells, and tend to interreact with the antigens… … Medical dictionary