The geographic occurrence of a plant taxon.
The geographical occurrence of an organism.
In pharmacology, circulation of an absorbed drug to all parts of the body by way of the bloodstream.
Movement of drugs from the blood into various body liquids and tissues.
In anatomy, the dividing and spreading of anything (especially blood vessels and nerves) among tissues.
Where and how hair is moved over the head.
The mechanism of the assimilation of medicinal particles within the organism following the introduction of the therapeutic substance.