What are the three major categories of hormones?
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Local Hormones
-(local regulators) large group of signaling molecules that don't circulate w/in blood Bind w/either: -same cell from which they are formed(autocrine stimulation) -neighboring cells(paracrine stimulation)
Biogenic amine:
-(most) water-soluble -derived from modified amino acids
Steroid hormone:
-lipid soluble -derived from cholesterol -lipid
Protein hormone:
-water-soluble -formed from amino acids -all proteins are water soluble -polymer
Eicosanoids:
Primary type of local hormones, play major role in inflammation as part of body's defenses
