Cells die at the time of release of secretory materials in
holocrine gland
apocrine gland
merocrine gland
mixed or apocrine gland
Which one of the following is called intra-specific chemical messenger?
Pheromones
Prostaglandins
Corticotrophin
Catecholamines
A.
Pheromones
Pheromone is a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behaviour or physiology of others of its species.There are alarm pheromones, food trail pheromones, sex pheromones and many other that affect behaviour or physiology.
Which one of the following secretes glucagon?
Beta () cells of islets of Langerhans
Alpha () cells of islets of Langerhans
Acidophilic cells of adenohypophysis
Basophilic cells of adenohypophysis
Which one of the following enzymes is responsible for the conversion of norepinephrine to epinephrine?
Catecholamine-O-methyltransferase
Phenylalanine-N-methyltransferase
DOPA decarboxylase
Monoamine oxidase
The hormone that stimulates the release of pancreatic juice is
secretin
glucagon
inhibin
insulin
Match the following Columns.
Column I | Column II |
A. Hyperthyroidism | 1. Myxedema |
B. Hyposecretion of glucocorticoids | 2. Addison's disease |
C. Hypothyroidism- I | 3. Increased metabolic rate |
D. Hyperparathyroidism |
4. Cushing's syndrome 5. Kidney stone |
A- 3; B- 2; C- 1; D- 5
A- 3; B- 4; C- 1; D- 2
A- 1; B- 4; C- 3; D- 2
A- 1; B- 2; C- 3; D- 5
What would not take place if chromaffin cells of adrenal medulla undergoes oncogenesis?
High blood sugar and glucosuria
High BMR
Pheochromocytomas
Low blood pressure
Glands in a vertebrate body originate from
ectoderm, mesoderm and endoderm
ectoderm and endoderm
mesoderm
ectoderm