Mindblown: a blog about philosophy.

  • Lateralis

    Located away from the mid-plane of the body.  

  • Lateral geniculate body

    One of two bodies forming elevations on the lateral portion of the posterior part of the thalamus. Each is the termination of afferent fibers from the retina, which it receives through the optic nerves and tracts.  

  • Laterad

    Toward a side or lateral aspect.  

  • Late-phase reaction

    Inflammation of any part of the body caused by the release of cytokines; leukotrienes B4, C4, and D4; and prostaglandin D2, occurring approx. 6 hr after the body’s initial response to an antigen, during a type I hypersensitivity response. Late-phase reactions play a significant role in prolonging illnesses such as asthma after the initial, immediate…

  • Latent heat of vaporization

    The heat required to change 1 g of a liquid at its boiling point to vapor at the same temperature. The latent heat of steam is 540 cal; therefore, when steam cools to liquid, each gram gives out 540 cal. This explains why a scald from steam is much more severe than one caused by…

  • Latent heat of fusion

    The heat required to convert 1 g of a solid to a liquid at the same temperature. For example, the process of converting 1 g of ice at 0°C to water at 0°C requires 80 cal, and until it is completed there will be no rise in the temperature.  

  • Latchkey children

    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.  

  • Lasegue’s sign

    In lumbar disk disease, pain that radiates into the leg after the hips and knees are flexed and the knee is extended.  

  • Laser tissue welding

    To bring the edges of a wound together with heat generated by a laser.  

  • Surface enhanced laser desorption

    A technique used to separate and image molecules (e.g., DNA or proteins) in biological samples. Molecules are captured on a protein chip, then ionized and imaged. This technique can be used to map the molecules in samples of blood or other body fluids.  

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