Endocrine communication pathway
Endocrine
Cells
n Hormone stored in
special packets (called
granules)
n secreted from cell into
capillary
n Sent via capillaries (blood
stream) to target cells.
n Target cells have
receptors for the
hormone.
n Hormone may stimulate
or inhibit after binding to
receptors.
n Target organ may secrete
hormone that feeds back
information to endocrine
cell.
feedback
stimulation
Target
Cells