What does notum mean?

Definitions for notum
ˈnoʊ təmno·tum

Here are all the possible meanings and translations of the word notum.


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Webster Dictionary

  1. Notumnoun

    the back

    Etymology: [NL., fr. Gr. nw^ton.]

Freebase

  1. Notum

    The notum is the dorsal portion of an insect's thoracic segment. Typically the notum is a single large sclerite, but often it is divided into the alinotum which bears the wings and the postnotum which bears the phragma. The phragma, or endotergite, is a transverse infolding of the intersegmental sclerite, and its main function is to provide a reinforcing basis of attachment for the dorsal longitudinal muscles. Accordingly phragmata tend to be best developed in actively flying insect species. In most winged insects, the structure of each successive notum is quite variable; in the Neoptera, the main flight muscles insert on the notum, so the segment that bears the main pair of wings is typically the one with the most highly developed notum. For example, in Diptera, Hymenoptera, and Lepidoptera, the mesonotum is the most hypertrophied sclerite, and is commonly called the scutum. However, there are other groups of insects in which, for reasons other than flight, the pronotum is hypertrophied, such as in all beetles, and most treehoppers. The notum on the first thoracic segment is called pronotum, the second mesonotum, and the third metanotum.

Chambers 20th Century Dictionary

  1. Notum

    nō′tum, n. the dorsal aspect of the thorax in insects. [Gr. nōtos, the back.]

Entomology

  1. Notum

    the dorsal or upper part of a segment: = tergum.

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Numerology

  1. Chaldean Numerology

    The numerical value of notum in Chaldean Numerology is: 8

  2. Pythagorean Numerology

    The numerical value of notum in Pythagorean Numerology is: 2

Images & Illustrations of notum

  1. notum

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