tweenbrain

plural tweenbrains

1. alternativeAlternative form of 'tweenbrain.

   Thus we see that the behaviour of this fish has changed in a quite different way from that of the frontal and pre-regeneration bilateral operates and this difference must be ascribed to the loss of connections with the tweenbrain.

   1961 January, J. Segaar, “Telencephalon and Behaviour in Gasterosteus Aculeatus”, in Behaviour, volume 18, number 4, →DOI, page 276

   2 more examples

   […] there is no correspondence whatever between the neural and hemal surfaces of the vertebrate brain as far back as the region of the cerebellum, the neural surface of all this portion of the brain, including the hemispheres, the roof of the tweenbrain, the optic lobes and the cerebellum, […]

   1912 July 26, J. Playfair McMurrich, “The Evolution of the Vertebrates and their Kin. By William Patten, Ph.D. […]”, in Science, volume 36, number 917, →DOI, pages 121–122

   As the brain develops from the anterior end of the neural tube it becomes divided into three regions, forebrain, midbrain, and hindbrain. At a slightly later stage, the forebrain expands, and becomes sub-divided into endbrain and tweenbrain.

   1980, Ann Boyce, “Coordination” (chapter 11), in Ann Boyce, C. Mary Jenking, Metabolism, Movement and Control, Basingstoke: Macmillan Education Limited, →ISBN, page 181