<medicine> Constriction or contraction of some natural passage, as in constipation from inflammation.
Origin: L. Arctus shut in, narrow, p. P. Of arcere to shut in: cf. F. Arctation.
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factor ix
mesenteric arteries
tyrosine kinase
NS2B protein, flavivirus
bone morphogenetic protein receptors
fenestrated capillary
4-tert-butylcyclohexylamine
capsid