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Definition of Prostomium
1. n. That portion of the head of an annelid situated in front of the mouth.
Definition of Prostomium
1. Noun. (zoology) That portion of the head of an annelid situated in front of the mouth. ¹
¹ Source: wiktionary.com
Definition of Prostomium
1. [n -MIA]
Lexicographical Neighbors of Prostomium
| prosties prostitots prostomia prostomial prostomium (current term) prostrate prostrated prostrately prostrates prostratin | prostrating prostration prostrations prostyle prostyles prosuicide prosumer prosumers |
Literary usage of Prostomium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Proceedings of the Academy of Natural Sciences of Philadelphia (1908)
"prostomium large (fig. 1, a), depressed, slightly wider than long, broadly
elliptical or ... Lateral tentacles arise close to anterior border of prostomium, ..."
2. The Encyclopaedia Britannica: “a” Dictionary of Arts, Sciences, Literature edited by Hugh Chisholm (1910)
"In any case the cavity of the prostomium is single, and not formed, as is the
cavity of the segments of the body, by paired coelomic chambers. ..."
3. Encyclopaedia Britannica, a Dictionary of Arts, Sciences, Literature and edited by Hugh Chisholm (1910)
"About 1870 the Question arose for discussion whether the somites in front of the
mouth are to be considered as derived from the prostomium of a ..."
4. The American Naturalist by American Society of Naturalists, Essex Institute (1906)
"prostomium not developed into a tentacular process. B1. ... prostomium rounded
or pointed, species small, not exceeding 5 mm. in length. . D1. ..."
5. The Encyclopedia Britannica: A Dictionary of Arts, Sciences, Literature and by Hugh Chisholm (1910)
"2) the head consists of the first somite only; that somite is perforated by the
mouth, and is provided with a prostomium or prae-oral lobe. ..."
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