secretory piece
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secretory component — (SC) a 70,000 dalton glycopeptide occurring in secretory IgA; synthesized not by the plasma cell producing the IgA but added while the IgA is crossing the epithelium; it may protect secretory IgA from proteolytic attack after secretion, or it may … Medical dictionary
Immunoglobulin — A protein produced by plasma cells and lymphocytes. Immunoglobulins are an essential part of the body s immune system which attach to foreign substances, such as bacteria, and assist in destroying them. Abbreviated Ig. The classes of… … Medical dictionary
protein — proteinaceous /proh tee nay sheuhs, tee i nay /, proteinic, proteinous, adj. /proh teen, tee in/, n. 1. Biochem. any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the… … Universalium
component — An element forming a part of the whole. [L. com pono, pp. positus, to place together] anterior c. of force a force operating to move teeth anteriorly. c. of complement (C) any one of the nine distinct protein units designated C1 through C9. See… … Medical dictionary
IgA — Major class of immunoglobulin of external secretions in mammals, also found in serum. In secretions, found as a dimer (400 kD) joined by a short J chain and linked to a secretory piece or transport piece. In serum found as a monomer (170 kD).… … Dictionary of molecular biology
SP — Abbreviation for sacroposterior position. * * * sacroposterior; sacrum to pubis; salivary progesterone; schizotypal personality; secretory piece; semi private [room]; senile plaque; sepiapterin; septal pore; septum pellucidum; sequence processor… … Medical dictionary
SP — • sacroposterior; • sacrum to pubis; • salivary progesterone; • schizotypal personality; • secretory piece; • semi private [room]; • senile plaque; • sepiapterin; • septal pore; • septum pellucidum; • sequence processor [radiotherapy]; •… … Dictionary of medical acronyms & abbreviations
reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… … Universalium
Endoplasmic reticulum — The endoplasmic reticulum (Greek endo = within (prefix), plásma = formed entity , Latin reticulum = little net ), or ER, is an organelle found in all eukaryotic cells that is an interconnected network of tubules, vesicles and cisternae. The lacey … Wikipedia
annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… … Universalium
