Definition of tentorium in English:

tentorium

nounPlural tentoria tɛnˈtɔːrɪəmtenˈtôrēəm

1Anatomy
A fold of the dura mater forming a partition between the cerebrum and cerebellum.
〔剖〕脑幕
Example sentencesExamples
- The straight sinus, located at the site of attachment of the falx cerebri to the tentorium cerebelli, has been opened.
- Such a differentiation might not even be possible; as more is learned about the biological bases of mental illness, it appears that the tentorium is not the dividing line we once believed it to be.
- The tentorium cerebelli is continuous with the posterior and anterior petroclinoid ligaments.
- As he cuts away the tentorium, where the membrane sheathing the brain gathers and parts, he sees it as ‘a pale delicate structure of beauty, like the little whirl of a veiled dancer’.
- The free front margin of the tentorium fits closely round the back of the brain stem; the brain stem can be damaged, for example if a tumour growing above or below the ‘tent’ encroaches on this narrow space.
2Entomology
An internal skeletal framework in the head of an insect.
〔昆〕幕骨
Example sentencesExamples
- Indeed, this family has various plesiomorphic features, such as a complete tentorium and a mouthcone that is nearly bilaterally symmetrical, and as such it is clearly a basal group of thrips.
- More posterior head skeletal structures and the tentorium do not develop in these embryos.

Origin

Early 19th century: from Latin, literally 'tent'.

Definition of tentorium in US English:

tentorium

nountenˈtôrēəm

1Anatomy
A fold of the dura mater forming a partition between the cerebrum and cerebellum.
〔剖〕脑幕
Example sentencesExamples
- Such a differentiation might not even be possible; as more is learned about the biological bases of mental illness, it appears that the tentorium is not the dividing line we once believed it to be.
- As he cuts away the tentorium, where the membrane sheathing the brain gathers and parts, he sees it as ‘a pale delicate structure of beauty, like the little whirl of a veiled dancer’.
- The straight sinus, located at the site of attachment of the falx cerebri to the tentorium cerebelli, has been opened.
- The free front margin of the tentorium fits closely round the back of the brain stem; the brain stem can be damaged, for example if a tumour growing above or below the ‘tent’ encroaches on this narrow space.
- The tentorium cerebelli is continuous with the posterior and anterior petroclinoid ligaments.
2Entomology
An internal skeletal framework in the head of an insect.
〔昆〕幕骨
Example sentencesExamples
- Indeed, this family has various plesiomorphic features, such as a complete tentorium and a mouthcone that is nearly bilaterally symmetrical, and as such it is clearly a basal group of thrips.
- More posterior head skeletal structures and the tentorium do not develop in these embryos.

Origin

Early 19th century: from Latin, literally ‘tent’.

词汇	tentorium
释义	Definition of tentorium in English: tentorium nounPlural tentoria tɛnˈtɔːrɪəmtenˈtôrēəm 1Anatomy A fold of the dura mater forming a partition between the cerebrum and cerebellum. 〔剖〕脑幕 Example sentencesExamples The straight sinus, located at the site of attachment of the falx cerebri to the tentorium cerebelli, has been opened. Such a differentiation might not even be possible; as more is learned about the biological bases of mental illness, it appears that the tentorium is not the dividing line we once believed it to be. The tentorium cerebelli is continuous with the posterior and anterior petroclinoid ligaments. As he cuts away the tentorium, where the membrane sheathing the brain gathers and parts, he sees it as ‘a pale delicate structure of beauty, like the little whirl of a veiled dancer’. The free front margin of the tentorium fits closely round the back of the brain stem; the brain stem can be damaged, for example if a tumour growing above or below the ‘tent’ encroaches on this narrow space. 2Entomology An internal skeletal framework in the head of an insect. 〔昆〕幕骨 Example sentencesExamples Indeed, this family has various plesiomorphic features, such as a complete tentorium and a mouthcone that is nearly bilaterally symmetrical, and as such it is clearly a basal group of thrips. More posterior head skeletal structures and the tentorium do not develop in these embryos. Origin Early 19th century: from Latin, literally 'tent'. Definition of tentorium in US English: tentorium nountenˈtôrēəm 1Anatomy A fold of the dura mater forming a partition between the cerebrum and cerebellum. 〔剖〕脑幕 Example sentencesExamples Such a differentiation might not even be possible; as more is learned about the biological bases of mental illness, it appears that the tentorium is not the dividing line we once believed it to be. As he cuts away the tentorium, where the membrane sheathing the brain gathers and parts, he sees it as ‘a pale delicate structure of beauty, like the little whirl of a veiled dancer’. The straight sinus, located at the site of attachment of the falx cerebri to the tentorium cerebelli, has been opened. The free front margin of the tentorium fits closely round the back of the brain stem; the brain stem can be damaged, for example if a tumour growing above or below the ‘tent’ encroaches on this narrow space. The tentorium cerebelli is continuous with the posterior and anterior petroclinoid ligaments. 2Entomology An internal skeletal framework in the head of an insect. 〔昆〕幕骨 Example sentencesExamples Indeed, this family has various plesiomorphic features, such as a complete tentorium and a mouthcone that is nearly bilaterally symmetrical, and as such it is clearly a basal group of thrips. More posterior head skeletal structures and the tentorium do not develop in these embryos. Origin Early 19th century: from Latin, literally ‘tent’.
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