Redox (portmanteau of reduction and oxidation) reactions include all chemical reactions in which atoms have their oxidation state changed; in general, redox reactions involve the...

Stimulation or excitation is the action of various agents (stimuli) on nerves, muscles, or a sensory end organ, by which activity is evoked; especially, the...

In medicine, a contraindication is a condition or factor that serves as a reason to withhold a certain medical treatment. Contraindication is the opposite of...

The dermis is a layer of skin between the epidermis (with which it makes up the cutis) and subcutaneous tissues, that consists of connective tissue...

Elastin is a highly elastic protein in connective tissue and allows many tissues in the body to resume their shape after stretching or contracting. Elastin...

Broadcast programming or scheduling is the practice of organizing television or radio programs in a daily, weekly, or season-long schedule. Modern broadcasters use broadcast automation...

Protein folding is the process by which a protein structure assumes its functional shape or conformation. It is the physical process by which a polypeptide...

Biology is a natural science concerned with the study of life and living organisms, including their structure, function, growth, evolution, distribution, and taxonomy.Based on definition...

A doctor’s visit, also known as “physician office visit,” is a meeting between a patient with a physician to get health advice or treatment for...

Pain is an unpleasant feeling often caused by intense or damaging stimuli, such as stubbing a toe, burning a finger, putting alcohol on a cut,...