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Thermoregulation - Anatomy & Physiology (view source)
Revision as of 14:08, 5 August 2008
, 14:08, 5 August 2008no edit summary
The thermoregulatory mechanism consists of:
The thermoregulatory mechanism consists of:
*Sensory Component: neurones that possess nerve endings with thermoreceptors continuously monitor body temperature and transmit it to the integrating centre.
*'''Sensory Component''': neurones that possess nerve endings with thermoreceptors continuously monitor body temperature and transmit it to the integrating centre. These neurons may be within the skin or internal organs.
*Integrating Centre:
*'''Integrating Centre:''' the [[Endocrine System - Hypothalamus - Anatomy & Physiology|Hypothalamus]] is the control centre in the brain which compares the temperature information with an ''Internal Reference'' or ''Set point''.
*'''Motor Component''': neurons which send signals to alter the internal temperature - altering heat production or heat loss.
**These command signals may travel via the somatic motor system and affect heat production in skeletal muscle.
**These command signals may travel via the Sympathetic Nerve Fibres and change
***Blood Flow to the Skin
***Sweat Gland Activity
***Activity of the smooth muscles which regulate fur/plumage thickness