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Agranular insula

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Agranular insula is a portion of the cerebral cortex defined on the basis of internal structure in the human,[1] the macaque,[2] the rat,[3] and the mouse.[4] Classified as allocortex (periallocortex), it is in primates distinguished from adjacent neocortex (proisocortex) by absence of the external granular layer (II) and of the internal granular layer (IV). It occupies the anterior part of the insula, the posterior portion of the orbital gyri and the medial part of the temporal pole.[1] In rodents it is located on the ventrolateral surface of the cortex rostrally, between the piriform area ventrally and the gustatory area or the visceral area (granular insular cortex) dorsally.[5]

References Edit

  1. 1.0 1.1 Mesulam M-M, Mufson EJ (1984). "5: The insula of Reil in man and monkey: Architectonics, connectivity, and function" Cerebral Cortex, 179–226.
  2. Carmichael ST; Price JL (1994). Architectonic subdivision of the orbital and medial prefrontal cortex in the macaque monkey. J Comp Neurol 346(3): 366–402.
  3. Swanson LW (1998). Brain Maps: Structure of the Rat Brain, 2nd Revised, Amsterdam: Elsevier Science.
  4. Paxinos G; Franklin KBJ (2001). The Mouse Brain in Stereotaxic Coordinates, 2nd, San Diego: Academic Press.
  5. Swanson LW (2004). Brain Maps: Structure of the Rat Brain, 3rd, Oxford: Elsevier Academic Press.

External links Edit


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