Decubitus: Lying down. A decubitus ulcer is a bed sore, the consequence of lying or sitting in one position too long. The Latin “decubitus” (meaning lying down) is related to “cubitum” (the elbow) reflecting the fact the Romans habitually rested on their elbows when they reclined.
- Decubitus ulcer
Decubitus ulcer: A bed sore, a skin ulcer that comes from lying in one position too long so that the circulation in the skin is compromised by the pressure, particularly over a bony prominence such as the sacrum (sacral decubitus). The Latin “decubitus” (meaning lying down) is related to “cubitum” (the elbow) reflecting the fact […]
Deep: In anatomy, away from the surface or further into the body. As opposed to superficial. The bones are deep to the skin. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to “Anatomic Orientation Terms”.
- Deep vein thrombosis
A blood clot within a deep vein, typically in the thigh or leg. The blood clot (thrombus) can break off as an embolus and make its way to the lung, where it can cause lung problems. Abbreviated DVT. Also known as economy-class syndrome.
- Deer mouse
Deer mouse: A deceptively cute rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the US. The deer mouse has big eyes and big ears. Its head and body are normally about 2 to 3 inches long, and the tail adds another 2 to 3 inches in length. It […]
- Deerfly fever
Deerfly fever: An infection in rabbits and other wild rodents caused by the bacterium Francisella tularensis that can be transmitted to humans by contact with infected animal tissues or ticks. Also called tularemia. The main mode of transmission to humans is tick bites in the summer and exposure to rabbits in the fall and winter […]