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26 Cards in this Set

  • Front
  • Back
the functions of the endocrine system
differentation, stimulation, coordination, maintenance, initiation
differentation
of the reproductive and CNS systems in the developing fetus
stimulation
of growth and development during childhood and adolescence
coordination
of male and female reproductive organs, which allows for sexual reproduction
maintenance
of the body's internal environment
initiation
of corrective and adaptive responses in an emergency situation
hormones are the mechanism by which
the endocrine system responds to cells and organs of the body
hormones can be classified by
structure, gland of origin, effect, and chemical composition
many of the specifics about how hormones work and why they work are
still unknown
hormones have specific
rates and patterns of secretion
hormones operate within
a negative or positive feedback system
negative and positive feedback
increase in one hormone causes a decrease in another and vise versa
hormones effect only cells that
have appropriate receptors
hormones only generate
specific activities
factors that regulate hormone release
chemical, hormonal, neural
hormonal factors=
negative/positive feedback
neural factors=
fight or flight
negative feedback helps
to maintain hormones within the normal ranges
types of hormones in regard to transport
lipid soluble and water soluble
lipid soluble hormones include
steroid hormones and thyroid hormones
lipid soluble hormones circulate
bound to a carrier protein, very few are able to circulate freely
lipid soluble hormones
diffuse through the plasma membrane and bind to nuclear receptors without any help
water soluble hormones include
insulin, pituitary hormones, parathyroid hormones, hypothalamic hormones
water soluble hormones circulate
free and unbound
water soluble hormones
bind to a cell surface receptor and require help
cellular mechanisms of hormone action
hormone receptors, plasma membrane receptors and signal transduction, steroid hormones