gyrusissa
Gyrusissa is a term that appears in some neuroanatomical discussions as a proposed cortical gyrus-like folding. It is not recognized as an established anatomical landmark in standard brain atlases, and its usage is limited to certain theoretical models, teaching materials, or speculative literature. In these contexts, gyrusissa serves as an example of how new names might be proposed for gyral variants that occur across individuals and species.
Morphology and location: Descriptions describe gyrusissa as a slender, elongated gyrus with a relatively gentle convex
Function and significance: No consensus exists regarding a specific function for gyrusissa. Because it is not
History and usage: The term is largely informal and not part of canonical nomenclature such as Terminologia
See also: Related topics include gyrus, sulcus, cerebral cortex, and gyrification.