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laser lipolysis

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The destruction of fat cells in the hypodermis with an Nd:YAG laser. In cosmetic surgery, it is used as an alternative to liposuction in reducing localized collections of fat under the skin.

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laser tissue welding

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(wĕld'ĭng) To bring the edges of a wound together with heat generated by a laser.

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laser treatment for kidney stone removal

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The use of a laser to disintegrate renal calculi. A fiber-optic device is inserted through the urethra, bladder, and ureter to the calculus. The laser is activated, and the stone is destroyed without injuring adjacent tissues. SEE: extracorporeal shock-wave lithotriptor.

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LASIK

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laser-assisted in-situ keratomileusis

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LASIK-associated neurotrophic epitheliopathy

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(noor″ŏ-trof′ik, -trōf′ ep″ĭ-thē″lē-rop′ă-thē) Drying of the cornea resulting from laser-assisted in-situ keratomileusis (LASIK). Tear production by affected eyes is reduced, and the patient experiences dry eye sensations, reduced blinking, and sometimes eye pain. The condition is believed to result from an injury to the nerves that supply the cornea. It may be treated with artificial tear solutions, medications like cyclosporine, serum eye drops, or plugging of the puncta of the eye.

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Lasix

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(lā′sĭks) SEE: furosemide.

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lassitude

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(lăs′ĭ-tūd) [L. lassitudo, weariness] Weariness; exhaustion.

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LAT

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licensed athletic trainer.

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latah

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(lot′ă) [Malay] A behavior identified in Southeast Asian women and marked by imitation, swearing, repetitive speech, and obedient gestures. It may be provoked by startling, tickling, or frightening affected persons. Some researchers believe it is a social convention rather than a psychiatric or neurological illness.

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latanoprost

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(lă-tăn'ō-prŏst) A prostaglandin agonist used as an ocular hypotensive and an antiglaucoma agent. It is administered as eye drops to manage glaucoma or to lower intraocular pressure.

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latch, latch-on

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(lach, lach′on″) The attachment of the baby's mouth to the mother's nipple. Effective and comfortable latch-on is a crucial element in successful breast-feeding.

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latchkey children

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Children who have a key to their home, needed for when they return home when no adult is present to supervise them. These children are at a higher risk of accidents, abusing drugs, and smoking cigarettes.

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LATCH score

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An assessment tool to evaluate the effectiveness of early breastfeeding. A numerical score of 0, 1, or 2 is assigned to the five letters of the acronym: Latching of infant onto the breast, Amount of audible swallowing, Type of nipple, Comfort of mother, Help needed by mother to hold baby to breast. Lower scores (<5) can indicate the need for assistance for better success at breast-feeding.

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late luteal phase dysphoric disorder

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SEE: premenstrual dysphoric disorder...

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