Sebaceous glands are small glands in the skin that produce sebum, an oily secretion that serves to keep the skin and hair supple and protect them from drying out. She…
The telogen phase, also known as the resting phase, is the final part of the hair growth cycle. During this phase, hair is inactive and eventually falls out to make way for new hair.…
Terminal hair refers to the thick, pigmented hair that grows on various parts of the body. It is different from vellus hair, the fine, thin and often barely visible hair that makes up most of…
Testosterone is a steroid hormone that is produced primarily in the testicles of men and, to a lesser extent, in the ovaries of women. The adrenal glands of both sexes also produce small amounts...
Thermolysis is a process that uses heat to trigger a specific biological or chemical reaction or destroy a material. Thermolysis is often used in medicine and cosmetics...
Traction alopecia is a form of hair loss caused by repeated traction or tension on hair follicles, typically from certain hairstyles or hair treatments. This type of hair loss occurs because…
A trichogram is a microscopic examination method of hair used to evaluate the condition and health of hair growth. Hair samples are taken directly from the scalp to...
Trichology is the field of medicine that deals with the structure, function and diseases of the human hair and scalp. Trichologists are specialists who have extensive training in…
Trichorrhexis nodosa is a common hair shaft disorder characterized by thickenings or knots along the hair shaft where the hair becomes brittle and breaks easily. This disorder can...
The TrichoScan is a modern, digital method for analyzing hair growth and diagnosing hair loss diseases. It is a non-invasive technique that involves a detailed examination of the scalp and…
Trichotillomania is a psychological disorder characterized by repeated, irresistible urges to pull out one's own hair, resulting in visible hair loss. This disorder is part of the group of obsessive-compulsive disorders…
Trimming refers to cutting or shortening hair on various parts of the body to keep it neat or to achieve a specific length or shape. In contrast to the complete…
Dry shaving is done with an electric razor that cuts the hair without direct contact with the skin. This method is faster and less irritating to the skin, but requires regular cleaning and maintenance…
Tuberculosis (TB) is a serious, potentially fatal infectious disease that primarily affects the lungs but can also affect other parts of the body such as the spine, kidneys or brain. Is caused…
Tumors are abnormal growths of cells in the body that arise when cells multiply and divide uncontrollably. They can occur in any tissue or organ and are basically divided into two…
