TSH)
produced in the
anterior lobe of
the pituitary gland
and released as a
result of the activity
of hypothalamic
thyrotropinreleasing
hormone
(see Figure). Negative
feedback
mechanisms regulate
the release of
TSH from the
pituitary gland.
Stress and temperature
changes can
induce the synthesis
of thyroid hormones,
resulting
in pronounced effects on the cardiovascular
system (Table 2).