Category: L
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Limbal stem cell autograft
The transfer of healthy limbal tissue from a patient’s donor eye to repair damaged ocular epithelium in the other eye, especially after that caused by a chemical burn or congenital defect.
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Local asphyxia
Asphyxia affecting a limited portion of the body (e.g., fingers, hands, toes, or feet) due to insufficient blood supply; a symptom usually associated with Raynaud’s disease.
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Left main coronary artery
An artery that derives blood from the aortic sinus and supplies blood to the left anterior descending artery and left circumflex artery. It is the dominant artery to the left ventricle and left atrium of the heart.
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Left gastric artery
A branch of the celiac artery (a very short branch of the abdominal aorta), supplying blood to the cardia, the esophagus below the diaphragm, and, in some people, the left lobe of the liver.
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Left common carotid artery
The second branch of the aortic arch, supplying blood to the left side of the neck and head.
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Left circumflex artery
An artery that branches from the left main coronary artery and courses through the coronary sulcus around the lateral and posterior wall of the left ventricle. It supplies blood to portions of the left ventricle and left atrium of the heart.
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Longitudinal arch
The anteroposterior ’”inarch of the foot; the medial portion is formed by the calcaneus, talus, navicular, cuneiforms, and first three metatarsals; the lateral portion is formed by the calcaneus, cuboid, and fourth and fifth metatarsals.
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Lead apron
An apron that contains lead or equivalent material and is sufficiently pliable to wear as protection from ionizing radiation. It is used to shield patients and personnel during radiological procedures.
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Limb apraxia
The inability to use the arms or legs to perform previously learned movements, such as combing one’s hair or kicking a ball, despite having normal muscle strength in those body parts.
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Lenticular apophysia
Lenticular process of the incus, which articulates with the stapes.