lunes, 21 de enero de 2008
lunes, 14 de enero de 2008
the hormons
DEFINITION :
A hormone is a chemical messenger that carries a signal from one cell (or group of cells) to another via the blood. All multicellular organisms produce hormones .
PITUITARY:
FUNCTION:
The pituitary gland secretes hormones regulating homeostasis, including trophic hormones that stimulate other endocrine glands. It is functionally connected to the hypothalamus by the median eminence.
THYROID:
FUNCTION:
Controls the rate of at which the body's cells work (the metabolic rate) by the production of thyroxine.
PARATHYROID:
FUNCTION:
Regulate calcium levels and have no effect on metabolism.
THYMUS:
FUNCTION:
stimulate the production of certain infection-fighting cells. It is of central importance in the maturation of T cells.
ADRENALS:
FUNCTION:
help maintain the balance of many body functions. Stress, fasting, temperature changes, infections, drugs.
OVARY:
FUNCTION:
A hormone is a chemical messenger that carries a signal from one cell (or group of cells) to another via the blood. All multicellular organisms produce hormones .
PITUITARY:
FUNCTION:
The pituitary gland secretes hormones regulating homeostasis, including trophic hormones that stimulate other endocrine glands. It is functionally connected to the hypothalamus by the median eminence.
THYROID:
FUNCTION:
Controls the rate of at which the body's cells work (the metabolic rate) by the production of thyroxine.
PARATHYROID:
FUNCTION:
Regulate calcium levels and have no effect on metabolism.
THYMUS:
FUNCTION:
stimulate the production of certain infection-fighting cells. It is of central importance in the maturation of T cells.
ADRENALS:
FUNCTION:
help maintain the balance of many body functions. Stress, fasting, temperature changes, infections, drugs.
OVARY:
FUNCTION:
miércoles, 9 de enero de 2008
nervous system functions
Cerebral Cortex :
Function:
Determines Intelligence
Determines Personality
Interpretation of Sensory Impulses
Motor Function
Planning and Organization
Touch Sensation
the hippocampus :
Function:
plays a part in long term memory and spatial navigation.
Amygdala:
Function:
perform a primary role in the processing and memory of emotional reactions.
Thalamus:
Function:
both process and relay sensory information selectively to various parts of the cerebral cortex.
regulate states of sleep and wakefulness.
Pons:
Function:
Arousal
Assists in Controlling Autonomic Functions
Relays Sensory Information Between the Cerebrum and Cerebellum
Sleep
Cerebellum:
Function:
involved in the coordination of voluntary motor movement, balance and equilibrium and muscle tone.
Function:
Determines Intelligence
Determines Personality
Interpretation of Sensory Impulses
Motor Function
Planning and Organization
Touch Sensation
the hippocampus :
Function:
plays a part in long term memory and spatial navigation.
Amygdala:
Function:
perform a primary role in the processing and memory of emotional reactions.
Thalamus:
Function:
both process and relay sensory information selectively to various parts of the cerebral cortex.
regulate states of sleep and wakefulness.
Pons:
Function:
Arousal
Assists in Controlling Autonomic Functions
Relays Sensory Information Between the Cerebrum and Cerebellum
Sleep
Cerebellum:
Function:
involved in the coordination of voluntary motor movement, balance and equilibrium and muscle tone.
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