somite

[ soh-mahyt ]

Phonetic (Standard)IPA

noun

any of the longitudinal series of segments or parts into which the body of certain animals is divided; a metamere.
Embryology. one member of a series of paired segments into which the thickened dorsal zone of mesoderm is divided.

somite

/ səʊˈmɪtɪk; ˈsəʊmɪtəl; ˈsəʊmaɪt /

embryol any of a series of dorsal paired segments of mesoderm occurring along the notochord in vertebrate embryos. It develops into muscle and bone in the adult animal
See metamere
zoology another name for metamere

Origin of somite¹

First recorded in 1865–70; som(a) ¹ + -ite ¹

Origin of somite¹

C19: from Greek sōma a body

Ventral tentacular cirrus of second somite of a thin or foliaceous and asymmetrical form.

General color yellowish; each somite of anterior region crossed transversely by two fine complete lines of reddish brown color.

Telson, tel′son, n. the last somite of the pleon or abdomen of certain crustaceans and arachnidans.

The heart would probably be long and tubular, with a pair of ostia for each somite.

The two cavities in the cephalic commissure unite dorsally, but ventrally open into the first somite of the trunk.

April 23, 2024inveterate

[in-vet-er-it ]

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