Definition of Tegmentum

1. n. A covering; -- applied especially to the bundles of longitudinal fibers in the upper part of the crura of the cerebrum.

Definition of Tegmentum

1. Noun. The ventral portion of the midbrain, divided from the tectum by the cerebral aqueduct and the periaqueductal grey ¹

2. Noun. Containing the following nuclei: red nucleus, substantia nigra, ventral tegmental area ¹

¹ Source:

Definition of Tegmentum

1. an anatomical covering [n -TA]

Medical Definition of Tegmentum

1. Origin: L, a covering. A covering; applied especially to the bundles of longitudinal fibres in the upper part of the crura of the cerebrum. Source: Websters Dictionary (01 Mar 1998)

Tegmentum Pictures

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Lexicographical Neighbors of Tegmentum

tegmen cruris
tegmen mastoideum
tegmen tympani
tegmen ventriculi quarti
tegmental decussations
tegmental fields of Forel
tegmental nuclei
tegmental syndrome
tegmental wall of middle ear
tegmentum (current term)
tegmentum mesencephali
tegmentum of pons
tegmentum of rhombencephalon
tegmentum rhombencephali

Literary usage of Tegmentum

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

1. The Anatomy of the Nervous System from the Standpoint of Development and by Stephen Walter Ranson (1920)
"Dorsal to this the peduncle consists of reticular formation continuous with that of the pons and known as the tegmentum. Ventral to the substantia nigra is ..."

2. Manual of Human and Comparative Histology by Salomon Stricker, Henry Power (1872)
"THE tegmentum AND ITS GANGLIA. The variations presented by the ganglionic ... The chief ganglia of origin of the tegmentum are—(1) the optic thalami and (2) ..."

3. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"In some parts of the tegmentum the longitudinal fibres are arranged in fairly well-defined tracts, which are as follows: 1. ..."

4. Journal of Nervous and Mental Disease by American Neurological Association, Philadelphia Neurological Society, Chicago Neurological Society, New York Neurological Association, Boston Society of Psychiatry and Neurology (1885)
"... and found, as I had anticipated, an extensive destructive lesion in the parts thus exposed, involving the whole tegmentum and neighboring parts of the ..."

5. The Anatomy of the Central Nervous System of Man and of Vertebrates in General by Ludwig Edinger (1899)
"THE tegmentum AND THE PEDUNCLE OF THE MIDBRAIN. THE frontal sections through the cerebrum, with description of which the previous chapter ended, ..."

6. Normal Histology: With Special Reference to the Structure of the Human Body by George Arthur Piersol (1916)
"1. substantia nigra, separating crusta from tegmentum ; 2. ... The tegmentum of the mid-brain includes, as seen in transverse sections (Fig. ..."

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