Mindblown: a blog about philosophy.

  • Quadruple

    Consisting of four times as much. Having four parts.  

  • Quadriplegic

    Paralysed in both arms and both legs.  

  • Quadriceps

    A large muscle in the front of the thigh, which extends to the leg. One of the extensor muscles of the legs. One of the great extensor muscles of the legs. It is situated in the thigh and is subdivided into four distinct portions: the rectus femoris (which also flexes the thigh), vastus lateralis, vastus…

  • Quadratus femoris

    A muscle at the top of the femur which rotates the thigh.  

  • Quadratus

    Any muscle with four sides. Any of various four-sided muscles. The quadratus femoris is a flat muscle at the head of the femur, responsible for lateral rotation of the thigh.  

  • Quadrate lobe

    A lobe on the lower side of the liver. A small lobe of liver located on the visceral surface and lying in contact with the pylorus and duodenum.  

  • Quadrantanopia

    Blindness in a quarter of the field of vision. Condition characterized by loss of one fourth of a person’s visual field. Inability to see in one quarter of the visual field. Homonymous quadrantanopia is loss of vision in the same quarter of the field in each eye. Blindness or diminished visual acuity in one fourth…

  • Pyridostigmine

    A drug which stops or delays the action of the enzyme cholinesterase, used to treat myasthenia gravis.  

  • Pyramidal system

    A group of nerve fibres within the pyramid of the medulla oblongata in the brain. It is thought to be vital in controlling movement and speech. A complex pathway of brain tissue and nerves that controls fine, skilled movements, so called because the nerve tracts look like pyramids under a microscope. The tracts of the…

  • Pyramidal cell

    A cone-shaped cell in the cerebral cortex. A type of neuron found in the cerebral cortex, with a pyramid-shaped cell body, a branched dendrite extending from the apex toward the brain surface, several dendrites extending horizontally from the base, and an axon running in the white matter of the hemisphere.  

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