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Glossary and Definitions

Glossary and Definitions
Glossary and Definitions


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L-Dopa: A neurotransmitter (nervous system chemical) important in the control of neurological function.


Labyrinth: The inner ear.


Lactate: A chemical product of energy metabolism's production of milk in the mammary glands.


Language: The expression and understanding of human communication.


Laterality: A motor awareness of both sides of the body.


Local Education Agency (LEA): The agency responsible for providing educational services on the local (city, county, and school district) level.


Long-leg sitting: Sitting with legs extended straight out in front of the body.


Lordosis: Sway back; a deformity of the lower spine.


Low tone: Decreased muscle tone.


Lower extremities: The legs.


Lower motor nerve (LMN): The nerve located in the spine that receives messages from the brain and sensors in the body, and sends messages to the muscle to produce and control movement.


Lumbar: Relating to the lower back.


Lung Cancer: A primary or metastatic tumor in the lungs.


Luxury trust: A trust that describes the kind of allowable expenses in a way that excludes the cost of care in state-funded programs in order to avoid cost-of-care liability.