the extent to which a nutrient or medication can be used by the body.
the extent to which a drug or other substance is taken up by a specific tissue or organ after administration; the proportion of the dose of a drug that reaches the systemic circulation intact after administration by a route other than intravenous Also called systemic availability
noun any large store of human biological samples for research into the genetic and environmental causes of disease
the branch of biology dealing with the study of biological communities and the interactions among their members. biocenology (bī’ō-sə-nŏl’ə-jē) The study of ecological communities and of interactions among their members.
a self-sufficient community of naturally occurring organisms occupying and interacting within a specific biotope. biocenosis (bī’ō-sĭ-nō’sĭs) Plural biocenoses (bī’ō-sĭ-nō’sēz) A group of interacting organisms that live in a particular habitat and form a self-regulating ecological community.
centered in life; having life as its principal fact. Historical Examples The Christian Faith Under Modern Searchlights William Hallock Johnson John Dewey’s logical theory Delton Thomas Howard adj.