n.
Pronunciation: ˌ präs-t ə - ' glan-d ə n
Function: noun
Etymology: prosta te gland + 1 -in; from its occurrence in the seminal fluid of animals
Date: 1936
: any of various oxygenated unsaturated cyclic fatty acids of animals that are formed chiefly by the action of cyclooxygenase on arachidonic acid and perform a variety of hormonelike actions (as in controlling blood pressure or smooth muscle contraction)