Taste bud
One of the tiny, barrel-shaped endings of the gustatory nerve located around the base of the papillae (small bumps) on the tongue.
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- Tattoo
The permanent insertion of ink below the skin, using a sharp instrument. Humans have done tattooing for cosmetic and ritual purposes since at least the Neolithic era. Today the practice is made relatively safe by the use of nonreactive pigments; sterile, disposable needles; and sterile work conditions. Without these refinements, inks may cause inflammation, and […]
- Tattoo removal
Removal of a tattoo, as with the use of lasers to destroy the ink itself. Multiple treatments may be necessary, depending on the size of the piece and the inks used. Some tattoos cannot be completely removed with lasers, and lasers may scar some types of skin.
- Tattoos & permanent makeup
Infection. Unsterile tattooing equipment and needles can transmit infectious diseases such as hepatitis. All tattooing equipment should be clean and sterilized before use. Even if the needles are sterilized or never have been used, it is important to understand that in some cases the equipment that holds the needles cannot be sterilized reliably due to […]
- T cell, peripheral
A T cell that is found in the peripheral blood rather than in the lymphatic ‘system.
- T cell
A type of white blood cell that is of key importance to the immune system and is at the core of adaptive immunity, the system that tailors the body’s immune response to specific pathogens. The T cells are like soldiers who search out and destroy the targeted invaders. Immature T cells (termed T-stem cells) migrate […]