anatomy Anatomy () is the branch of biology concerned with the study of the structure of organisms and their parts. Anatomy is a branch of natural science that deals with the structural organization of living things. It is an old science, having its ...

, the supratentorial region of the brain is the area located above the

tentorium cerebelli The cerebellar tentorium or tentorium cerebelli (Latin for "tent of the cerebellum") is an extension of the dura mater that separates the cerebellum from the inferior portion of the occipital lobes. Structure The cerebellar tentorium is an arche ...

. The area of the brain below the tentorium cerebelli is the infratentorial region. The supratentorial region contains the

cerebrum The cerebrum, telencephalon or endbrain is the largest part of the brain containing the cerebral cortex (of the two cerebral hemispheres), as well as several subcortical structures, including the hippocampus, basal ganglia, and olfactory bulb. ...

, while the infratentorial region contains the

cerebellum The cerebellum (Latin for "little brain") is a major feature of the hindbrain of all vertebrates. Although usually smaller than the cerebrum, in some animals such as the mormyrid fishes it may be as large as or even larger. In humans, the cere ...

. Although the Roman era anatomist

Galen Aelius Galenus or Claudius Galenus ( el, Κλαύδιος Γαληνός; September 129 – c. AD 216), often Anglicized as Galen () or Galen of Pergamon, was a Greek physician, surgeon and philosopher in the Roman Empire. Considered to be on ...

commented upon it, the functional significance of this neuroanatomical division was first described using ‘modern’ terminology by

John Hughlings Jackson John Hughlings Jackson, FRS (4 April 1835 – 7 October 1911) was an English neurologist. He is best known for his research on epilepsy. Biography He was born at Providence Green, Green Hammerton, near Harrogate, Yorkshire, the youngest ...

, founding editor of the medical journal, Brain. From extensive studies of anatomy and behaviour, Hughlings Jackson established the existence of a clear division of cognitive functionality located at or around the tentorium cerebelli. In his proposed scheme, while the supratentorial parts (mainly the

) were responsible for planning and control of movement in the world, the infratentorial parts (mainly the

) were responsible for planning and control of bodily motion per se. Most

primary Primary or primaries may refer to: Arts, entertainment, and media Music Groups and labels * Primary (band), from Australia * Primary (musician), hip hop musician and record producer from South Korea * Primary Music, Israeli record label Work ...

tumors A neoplasm () is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists ...

of the

central nervous system The central nervous system (CNS) is the part of the nervous system consisting primarily of the brain and spinal cord. The CNS is so named because the brain integrates the received information and coordinates and influences the activity of all p ...

are located supratentorial. Neuroanatomy

References

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