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9 Cards in this Set

  • Front
  • Back

protoglandins

mod fatty acids or gases

NO3

regulates and NO transmitters activate enzyme for vasodilation (inc blood flow to tissues)

classes of hormones

pp's, steroids, amines 'insulin': has 2 chains in active form

Cell response pathways

water vs. lipid soluble signalling mlecules

Pathway for Water Soluble hormones


Water Soluble

exocytosis (in blood)


non-diffusable: thru plasma membrane in target cells.


diffuse: into cytoplasm target cells. Hormone and receptor make cell response, activates


enzymes, changes molecules by moving


cytoplasm to nucleus.

Pathway for Water Soluble hormones
signal transduction

EC signal becomes IC response. In hormone


signalling, kidneys make adrenaline when stressed

Pathway for Lipid Soluble Hormones

IC receptors transduce signal in the cell ->


activates recptor -> changes expression

Pathway for Lipid Soluble Hormones


hormones + receptor

complex + nucleus undergoes tanscriprion ( + DNA binding protein or DNA response element) makes mRNA for proteins SA yolk or hormones + target cell = egg white

Pathway for Lipid Soluble Hormones non-steroids

(lipid soluble) have receptors in the nucelus +
hormone = transcription