WBCs - White blood cells are also called leucocytes. They are irregular and colourless cells with a nucleus. The lifespan of WBC is about 12-20... View Article
AVN- Atrio Ventricular Node is also called pacesetter. It is a mass of modified heart muscles situated in the lower and middle part of the... View Article
Cartilaginous Joints: These joints form the connecting tissue between two or more bones with the help of a disc or pad of white fibrous... View Article
Uricotelism is the biological process of excreting uric acid from the body. Birds, insects, land snails and reptiles are a few examples of... View Article
The pivot joint is a synovial joint, which is present between the atlas and the axis in humans. This joint permits a uniaxial movement of bone... View Article
Arteriosclerosis is the thickening or hardening and loss of elasticity of the walls of arteries. Arteriosclerosis is a cardiovascular disease,... View Article
Both pulmonary artery and pulmonary vein are blood vessels, which are involved in the transportation of blood. Pulmonary Artery The pulmonary... View Article
AB blood group is considered as the universal recipient because an individual with this blood type can receive blood from any other blood types-... View Article
Serum It is a liquid portion of blood, which separates when blood coagulates. Serum lacks clotting factors like fibrinogen. Plasma It is a... View Article
Lymphocytes are white blood cells and are agranulocytes. White blood cells include both granulocytes and agranulocytes. Granulocytes: A type... View Article
Androgens are the main hormones responsible for regulating the development of male reproductive organs and sexual characteristics. Androgens are... View Article
Epinephrine or adrenaline is an amino-acid derivative. It is a catecholamine. It is secreted by the adrenal medulla. Also Check: How Can The... View Article
Yes, the adrenal medulla is a part of the endocrine system. It releases hormones adrenaline and noradrenaline. Adrenal medullary cells secrete... View Article
The brain stem connects the brain to the spinal cord. It is made up of the midbrain, pons and medulla oblongata. It regulates many essential... View Article
Fight or flight response is triggered by the sympathetic nervous system. It stimulates the release of catecholamines from the adrenal medulla.... View Article
Cells of the adrenal medulla known as chromaffin cells secrete epinephrine and norepinephrine. These are catecholamines and are responsible for... View Article
The chromaffin cells are present in the adrenal medulla and release catecholamines. These chromaffin cells are modified by postganglionic... View Article
The adrenal medulla releases two hormones adrenaline and noradrenaline, which are called fight or flight hormones. They initiate various stress... View Article
Gonadocorticoids are secreted by the adrenal cortex. It is produced by the inner layer of the adrenal cortex called zona reticularis. Also Check:... View Article
Chromaffin cells release catecholamines, adrenalin and noradrenalin. These cells are in close contact with the sympathetic nervous system. Also... View Article
