| 释义 |
Definition of cingulum in English: cingulumnounPlural cingula ˈsɪŋɡjʊləmˈsiNGɡyələm Anatomy 1A curved bundle of nerve fibres in each hemisphere of the brain. Example sentencesExamples - A large proportion of fibers in the cingulum traverse only relatively short segments of this rather compact bundle.
- Between the cingulum and the periphery of the specimen, note the mingling of short and long association fibers with projection and commissural fibers.
Synonyms belt, sash, strap, cummerbund, waistband, band, girth, cord, fillet 2A ridge of enamel on the base or margin of the crown of a tooth. Example sentencesExamples - Two enamel ridges cross the anterior cingulum.
- A small cusp may have been present on the anterior cingulum where this crest ended.
- The teeth are transversely compressed and a cingulum is absent.
- The posterior cingulum is short, terminating before reaching the lingual margin of the tooth.
- The crown is constricted at the base, and a large cingulum is present.
Derivatives adjective Anatomy Lower activity in the anterior and posterior cingulate areas may underlie compulsive hoarding symptoms. Example sentencesExamples - The regions associated with emotion, such as the insular cortex and parts of the anterior cingulate cortex, are not activated until the more mature phases of a relationship.
- The scans showed that a part of the brain called the anterior cingulate cortex became more active.
- Interestingly, the anterior cingulate cortex doesn't distinguish between psychic and bodily injury.
- The cingulate cortex has been found to be active during hypnotic absorption, hypnotic hallucinations, and hypnotic pain control.
Origin Mid 19th century: from Latin, 'belt', from cingere 'gird'. Definition of cingulum in US English: cingulumnounˈsiNGɡyələm Anatomy 1A curved bundle of nerve fibers in each hemisphere of the brain. Example sentencesExamples - Between the cingulum and the periphery of the specimen, note the mingling of short and long association fibers with projection and commissural fibers.
- A large proportion of fibers in the cingulum traverse only relatively short segments of this rather compact bundle.
Synonyms belt, sash, strap, cummerbund, waistband, band, girth, cord, fillet 2A ridge of enamel on the base or margin of the crown of a tooth. Example sentencesExamples - The posterior cingulum is short, terminating before reaching the lingual margin of the tooth.
- The teeth are transversely compressed and a cingulum is absent.
- Two enamel ridges cross the anterior cingulum.
- A small cusp may have been present on the anterior cingulum where this crest ended.
- The crown is constricted at the base, and a large cingulum is present.
Origin Mid 19th century: from Latin, ‘belt’, from cingere ‘gird’. |