The islets of Langerhans are found in
pancreas
stomach
liver
alimentary canal
A.
pancreas
The pancreatic islets or islets of Langerhans are the regions of the pancreas that contain its endocrine (hormone-producing) cells. There are 3 types of cells-
(i) Alpha cells (32-38%) secreting glucagon
(ii) Beta cells (60-70%), secreting insulin
(iii) Delta and F-cells (2-8%), secreting somatostatin.
Which of the following hormone stimulates the gastric secretion ?
Enterogastrone
Gastrin
CCK-PZ
Villikinin
During emergency, which of the following hormone is secreted ?
Aldosterone
Thyroxine
Adrenalin
Calcitonin
Hypersecretion of growth hormone in the period of growth lead to :
acromegaly
cushing syndrome
midgets
cretinism
Which of the following does not match ?
Pancreas - Glisson's capsule
Antigen - Antibody
Thyroid - Goitre
Enzyme - Substrate
ADH controls water permeability of
collecting tube
distal convoluted tubule
proximal convoluted tubule
bowman's capsule