See Also: Bolton-nasion plane(medicine)
Bolton-nasion line(medicine)
nasion-postcondylar plane(medicine)
Bolton plane(medicine)
Bolton-Broadbent plane(medicine)
nasion(medicine)
nasion(dictionary)
nasion soft tissue(medicine)
nasion-pogonion measurement(medicine)
Bolton(medicine)

mammoth (iou) and Bolton-nasion plane (medicine)


mammoth (iou)



mammoth noun & adjective. E18.
[Russian mamo(n)t, prob. of Siberian origin.]
A. noun.
Pl. -s, same. Any of several very large extinct mammals of the Pleistocene genus Mammuthus, related to the elephants and known from fossil and mummified remains in northern Eurasia and N. America. E18.
imperial mammoth, Siberian mammoth, woolly mammoth.
b. A mastodon. US. E19.
A thing of huge size. L19.
b. adjective. Comparable to the mammoth in size; huge, gigantic. E19.
mammoth tree the wellingtonia, Sequoiadendron giganteum.
Lyndon B. Johnson The mammoth task of preparing a $100 billion budget.

Bolton-nasion plane (medicine)


Bolton-nasion plane -->
Bolton plane


A roentgenographic cephalometric plane extending from the Bolton point to nasion.

Synonym: Bolton-Broadbent plane, Bolton-nasion line, Bolton-nasion plane.