The practice of giving testosterone to men when the testes do not produce enough testosterone. This may be due to absence, injury, or disease. Over supplementation has serious side effects.
Testosterone is available in oral, IV, patch forms, and implantable pellets. There is no known indication for testosterone in women, although it has been proposed as a treatment for decreased libido.
- Replacement, total hip
Surgery in which the diseased ball and socket of the hip joint are completely removed and replaced with artificial materials. A metal ball with a stem (a prosthesis) is inserted into the femur (thigh bone) and an artificial plastic cup socket is placed in the acetabulum (a “cup-shaped” part of the pelvis. The prosthesis may […]
1. Literally, the act of planting again. 2. In surgery, the restoration of any part of the body to its original site. Also known as reimplantation. The Chinese surgeon Zhong Wei Chen (1929-2004) was the “father of replantation.” Dr. Chen was the first to reattach a severed hand with success which he did in 1963. […]
A turning back, repetition, duplication, reproduction.
- Replication, DNA
A complex process whereby the ‘parent’ strands of DNA in the double helix are separated, and each one is copied to produce a new (daughter) strand. This process is said to be ‘semiconservative’ because one strand from each parent is conserved and remains intact after replication has taken place.
- Reportable disease
A disease that must be reported to federal, state, or local health officials when diagnosed.