Definition of Mesencephalon

1. Noun. The middle portion of the brain.

Exact synonyms: Midbrain
Generic synonyms: Neural Structure
Group relationships: Brain, Encephalon
Terms within: Locus Niger, Nucleus Niger, Substantia Nigra, Superior Colliculus, Inferior Colliculus



Definition of Mesencephalon

1. n. The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain.

Definition of Mesencephalon

1. Noun. A part of the brain located rostral to the pons and caudal to the thalamus and the basal ganglia, composed of the tectum (dorsal portion) and the tegmentum (ventral portion). ¹

¹ Source: wiktionary.com

Definition of Mesencephalon

1. [n -LA]

Medical Definition of Mesencephalon

1. The middle segment of the brain; the midbrain. Sometimes abbreviated to mesen. See Brain. Origin: NL. See Meso- and Encephalon. Source: Websters Dictionary (01 Mar 1998)

Mesencephalon Pictures

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Lexicographical Neighbors of Mesencephalon

mesel
meseled
meself
meselry
mesels
mesembryanthemum
mesembryanthemums
mesencephala
mesencephalic
mesencephalic flexure
mesencephalic nucleus of trigeminal nerve
mesencephalic tegmentum
mesencephalic tract of trigeminal nerve
mesencephalic veins
mesencephalitis
mesencephalon (current term)
mesencephalons
mesencephalotomy
mesenchyma
mesenchymal
mesenchymal cells
mesenchymal epithelium
mesenchymal hyloma
mesenchymal tissue
mesenchymally
mesenchyme
mesenchymes
mesenchymoma
mesendoderm
mesendodermal

Literary usage of Mesencephalon

Below you will find example usage of this term as found in modern and/or classical literature:

1. Cunningham's Manual of Practical Anatomy by Daniel John Cunningham, Arthur Robinson (1914)
"THE mesencephalon. The mesencephalon or mid-brain is the stalk which ... The mesencephalon is tunnelled from below upwards by a narrow passage called the ..."

2. The Development of the Chick: An Introduction to Embryology by Frank Rattray Lillie (1908)
"The transition zone between the diencephalon and mesencephalon is sometimes ... The mesencephalon has undergone considerable changes since the third day. ..."

3. Manual of Practical Anatomy by Daniel John Cunningham (1903)
"The mesencephalon should now be divided transversely by one sweep of the knife at the level of the lower borders of the superior pair of corpora ..."

4. The Anatomy of the Nervous System from the Standpoint of Development and by Stephen Walter Ranson (1920)
"CHAPTER XI THE INTERNAL STRUCTURE OF THE mesencephalon A DIAGRAM of a transverse section ... Diagrammatic cross-section through the human mesencephalon. ..."

5. Manual of Practical Anatomy by Daniel John Cunningham (1921)
"THE mesencephalon. The mesencephalon or mid-brain is the stalk which occupies ... The mesencephalon is tunnelled from end to end by a narrow passage called ..."

6. Manual of Practical Anatomy by Daniel John Cunningham (1908)
"THE mesencephalon. The mesencephalon is the stalk which occupies the opening of the tentorium cerebelli, and connects the cerebrum with the parts in the ..."

7. Brain and Spinal Cord: A Manual for the Study of the Morphology and Fibre by Emil Villiger (1918)
"The mesencephalon, or mid-brain, forms the smallest of the brain-segments. Dorsally, it extends from the root of the pineal body to the posterior edge of ..."

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