| / English Dictionary |
PYRAMIDAL
| Pronunciation (US): |  | (GB): | |
I. (adjective)
Sense 1
Meaning:
Resembling a pyramid
Synonyms:
pyramidal; pyramidic; pyramidical
Classified under:
Similar:
pointed (having a point)
Derivation:
Pyramid (a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt)
pyramid (a polyhedron having a polygonal base and triangular sides with a common vertex)
Context examples:
Roughly pyramidal in shape and hollowed out, I perceive.
(The Return of Sherlock Holmes, by Sir Arthur Conan Doyle)
In the south-west, and almost in our course, I saw the pyramidal loom of some vessel’s sails.
(The Sea-Wolf, by Jack London)
It consists of numerous small neurons, small pyramidal cells, stellate cells, especially superficially and fusiform cells in deeper part whose axons project into the white substance of the cerebral cortex hemisphere
(Multiform Cell Layer of the Cerebral Cortex, NCI Thesaurus)
The fourth layer of the cerebral cortex, composed of many densely packed granule cells with short axons and some small pyramidal cells, and traversed by a stria of horizontally arranged fibers.
(Internal Granular Layer of the Cerebral Cortex, NCI Thesaurus)
This area contains mostly mossy cells that receive inputs from the dentate gyrus and pyramidal cells in the CA3 region and also projects back to the dentate gyrus.
(CA4 Field of the Cornu Ammonis, NCI Thesaurus)
This area is small, contains pyramidal cells, and does not contain mossy fiber connections from the dentate gyrus.
(CA2 Field of the Cornu Ammonis, NCI Thesaurus)
Either of a pair of small pyramidal laryngeal cartilages that articulate with the lamina of the cricoid cartilage and give attachment to the posterior part of the corresponding vocal ligament and to several muscles.
(Arytenoid Cartilage, NCI Thesaurus)
One class overlapped conspicuously with genetic variation associated with schizophrenia in key (pyramidal) neurons of the brain’s outer mantel, or cortex, with likely cumulative effects on cellular structure and function, suggest the researchers.
(Schizophrenia risk gene linked to cognitive deficits in mice, National Institutes of Health)
The pyramidal rock upon which I saw and shot the pterodactyl was more accessible.
(The Lost World, by Sir Arthur Conan Doyle)
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