| 单词 | peptic ulcers |
| 释义 | pepsin or pepsine /pepˈsin/noun
ORIGIN: Gr pepsis digestion, from peptein to digest pepˈsinate transitive verb
pepˈsinogen noun A precursor found in granular form in the mucous membrane of the stomach which converts into pepsin in a slightly acid medium pepˈtic adjective
pepticity /-tisˈi-ti/ noun Eupepsy pepˈtics plural noun (joc) The digestive organs pepˈtidase noun An enzyme which breaks down peptides into their constituent amino acids pepˈtide noun Any of a number of substances formed from amino acids in which the amino group of one is joined to the carboxyl group of another peptidoglycan /-tīd-ō-glīˈkan/ noun (Gr glykys sweet) a substance giving form and strength to the cell walls of certain bacteria peptīzāˈtion or peptīsāˈtion noun peptˈize or peptˈise transitive verb
pepˈtōne noun A product of the action of enzymes on proteins, used eg as a bacteriological culture medium peptonīzāˈtion or peptonīsāˈtion noun pepˈtonize or pepˈtonise transitive verb To convert into peptones peptic ulcer noun An ulcer of the stomach, duodenum, etc peptide bond noun (biochemistry) The bond formed by condensation of the amino group and carboxyl group of a pair of amino acids, and thus found in the peptide chains of proteins peptide nucleic acid noun A compound analogous to DNA in which a synthetic peptide takes the place of the sugar in DNA |
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