Hormonal
Endocrine
Pineal gland
Pitutary gland
Hypothalumus
Thyroid
Parathyroid
Thymus
Pancreas
Adrenal
Testicles
Ovary
Placenta - only during pregnancy
Plants
Mater gland
located at base of brai, pea size
secrete growth hormone
Under secretion - Dwarfis,
Over secretion - Gigantism(child), Acromegaly(adults)
butterfly shaped
secrete thyroxine - regulate body metabolism
calcitonic - bones and kidney
in heart, liver, kidney, muscles
iodine required to synthesize thyroxine
iodine deficiency - undersecretion of thyroxine - cause goitre
leaf like glalnd behind stomach
both endo and exo
Endo - manufacture insulin and glucagon
Exo - secrete enzyme to break down protien, lipids and carbohydrates
above both kidney
decrease in size with age
scerete adrenakine and nor adrenline
secrete Glucocorticoids - for carbohydrate, fat and protien
secrete mineral corticoids - Na,K metabolism and water absorb
sec corticoids - exrernal sex characters
regulate sleeping pattern
testosterone
estrogen adn prohesterone
Movement
Hormones
Nastic
Tropic movements
Growth
Stop growth
Auxin - cell elongation
Cytokinen - root cell elongation
Gibberelin - seed germination
Abscisic - seed dormancy
Ethylene - ripening and ageing of seed
non - driectional
mimosa pudica - higmonastic movement
Geptropism
Hydrotropism
Phototropism
Chemotropism