thyroid gland

Question 1

location of thyroid gland

Answer 1

bilobed structure situated in front of the neck just below the larynx

2 lobes are joined by a narrow isthimus

Question 2

seceretion

Answer 2

thyroxine and calcitotcin

Question 3

func of thyroxine

Answer 3

regulates basal metabolism (ie the rate of cellular oxidation resulting in heat production during rest)

Question 4

influence

Answer 4

influences the general growth of body, ossification of bones , body temp , mental development etc.

Question 5

underseceretion of thyroxine

Answer 5

simple goitre , cretinism , myxodema

Question 6

simple goitre

Answer 6

enlargmaent of thyroid visible as a swelling in the neck
cause : insufficient iodine in food
common in hilly regions where iodine is deficient in soill

Question 7

cretinism

Answer 7

condition which affects growth of children showing dwarfism and mental retardation
cause : defective development or early degradation of thyroid gland

Question 8

myxoedema

Answer 8

condition which affects adult if his thyroid does not function properly
person becomes sluggish with swelling on hands and face

Question 9

oversecerition of thyroxine

Answer 9

can cause exothalamic goitre
causes protusion of eyes , formation of goitre in the neck , rapid heart beat , marked increase in metabolic rate , shortness of breath