Left ventricle
The left lower chamber of the heart that receives blood from the left atrium and pumps it out under high pressure through the aorta to the body.
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- Left-handed
The preferential use of the left hand for most fine manual tasks. Approximately 10% of the population is left-handed. In French, the word for left is gauche meaning clumsy or awkward and the word for right is droit. In Latin the word for left is sinister and that for right is dexter (as in dexterity), […]
- Leg
In popular usage, the part of the body from the top of the thigh down to the foot, and in medical terminology, the portion of the lower extremity that runs from the knee to the ankle. The leg (in the medical sense) has two bones’the tibia (shinbone) and the fibula’both of which are known as […]
- Leg pain with cramping
Pletal). These drugs act differently. Trental decreases the “stickiness” (viscosity) of blood and thereby improves its flow to the legs. Pletal acts to dilate (widen) the arteries by decreasing the action of an enzyme, phosphodiesterase III. It also reduces the ability of blood to clot. If conservative therapy is inadequate, correction of the narrowing in […]
- Leg, ankle and foot bones
There are 62 lower extremity bones. They consist of 10 hip and leg, 14 ankle and 38 foot bones. The 10 hip and leg bones are the innominate or hip bone (fusion of the ilium, ischium, and pubis), femur, tibia, fibula, and patella (kneecap) on each side. The 14 ankle bones are the talus, calcaneus […]
- Leg, lower
the part below the knee. The lower leg contains two long bones. The larger of these two bones is the tibia, the smaller one the fibula. The tibia is familiarly known as the shinbone. “Tibia” is a Latin word meaning both shinbone and flute. It is thought that “tibia” refers to both the bone and […]