Gray

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Gray (Anatomy)

Gray (pronounced: /ɡreɪ/) is a term often used in the field of anatomy to describe a color that is intermediate between black and white. It is often associated with structures in the body that are of a grayish color, such as the gray matter of the brain and spinal cord. The term is derived from the Old English word "grǣg".

Etymology

The term "gray" comes from the Old English word "grǣg". In the context of anatomy, it was first used in the 19th century to describe the color of certain tissues in the body, particularly the brain and spinal cord.

Related Terms

  • Gray Matter: A major component of the central nervous system, consisting of neuronal cell bodies, neuropil (dendrites and unmyelinated axons), glial cells (astrocytes and oligodendrocytes), synapses, and capillaries.
  • Gray's Anatomy: An English-language textbook of human anatomy originally written by Henry Gray and first published in 1858. It is widely regarded as an influential work on the subject.
  • Gray Scale: In medicine, a gray scale is used in imaging techniques such as computed tomography (CT) scans to represent the different densities of tissues in the body.
  • Gray Baby Syndrome: A rare, life-threatening condition that can occur in infants who are given too much of the antibiotic chloramphenicol.
  • Gray Platelet Syndrome: A rare congenital disorder characterized by a decrease in the number of platelets and an increase in the size of platelets, resulting in a gray appearance on blood smears.

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