different between tegmentum vs tectum

English

Etymology

From Latin tegmentum.

Noun

tegmentum (plural tegmentums or tegmenta)

1. (neuroanatomy) The ventral portion of the midbrain, divided from the tectum by the cerebral aqueduct and the periaqueductal grey
2. (neuroanatomy) Containing the following nuclei: red nucleus, substantia nigra, ventral tegmental area

Related terms

• tectum
• tegmental

References

Bear et al. Neuroscience, Exploring the Brain Co. 2001, Lippincot Williams and Wilkins

Latin

Pronunciation

• (Classical) IPA^(key): /te??men.tum/, [t????m?n?t????]
• (Ecclesiastical) IPA^(key): /te??men.tum/, [t????m?n?t?um]

Noun

tegmentum n (genitive tegment?); second declension

1. Alternative form of tegumentum

Declension

Second-declension noun (neuter).

English

Etymology

From Latin t?ctum (“roof”), from teg? (“I cover”), cognate with Ancient Greek ????? (tégos, “roof; any covered room of a house”). Doublet of tect.

Pronunciation

• IPA^(key): /?t?k.t?m/

Noun

tectum (plural tecta)

1. (neuroanatomy) The dorsal portion of the midbrain of vertebrates; in mammals, containing the superior colliculus and inferior colliculus
2. The interconnected outer surface of a spore.

Derived terms

• infratectum

See also

• tegmentum
• periaqueductal grey

References

• Bear et al. Neuroscience, Exploring the Brain Co. 2001, Lippincot Williams and Wilkins
• tectum at OneLook Dictionary Search

Latin

Etymology

From teg? (“I cover”), cognate with Ancient Greek ????? (tégos, “roof; any covered room of a house”).

Pronunciation

• (Classical) IPA^(key): /?te?k.tum/, [?t?e?kt????]
• (Ecclesiastical) IPA^(key): /?tek.tum/, [?t??kt?um]

Noun

t?ctum n (genitive t?ct?); second declension

1. roof
2. ceiling
3. canopy

Declension

Second-declension noun (neuter).

Derived terms

• t?ctulum

Related terms

• t?ct?ra
• teg?

Descendants

References

• tectum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• tectum in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• tectum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book?^[1], London: Macmillan and Co.