Achillodynia: Pain due to inflammation of the Achilles tendon or the bursa associated with it.
The Achilles tendon is one of the better known anatomic features in sports medicine due to the abrupt dramatic nature of some injuries to this tendon. It is in the back of the lower leg and connects the calf muscle (the triceps surae) with the calcaneus bone in the heel. This tendon is so named for the hero whose heel, according to Greek mythology, was the only part of his body where he could be hurt.
Inflammation in the Achilles bursa is specifically known as achillobursitis.
Achlorhydria: A lack of hydrochloric acid in the digestive juices in the stomach.
Achondrogenesis: A genetic disorder of bone. There are a number of different types of achondrogenesis.
- Achondrogenesis type II
Achondrogenesis type II: A severe inherited disorder of bone growth characterized by a short body and limbs and a lack of bone formation in the spine and pelvis. Infants with this disorder have short arms and legs, a small chest with short ribs, and underdeveloped lungs. The skull bones may be soft, but they often […]
- Achondrogenesis-hypochondrogenesis, type II
Achondrogenesis-hypochondrogenesis, type II: See: Achondrogenesis type II.
The most common form of short stature with disproportionately short limbs — dwarfism with short arms and legs. Achondroplasia is caused by mutation in the fibroblast growth factor receptor-3 gene (FGFR3), which is located on chromosome 4 in chromosome band 4p16.3. Aside from short arms and legs, the fingers are short and the ring and […]