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stomodaeum

American  
[stoh-muh-dee-uhm, stom-uh-] / ˌstoʊ məˈdi əm, ˌstɒm ə- /

noun

plural

stomodaea
  1. stomodeum.


stomodaeum British  
/ ˌstəʊməˈdiːəm, ˌstɒm- /

noun

  1. the oral cavity of a vertebrate embryo, which is formed from an invagination of the ectoderm and develops into the part of the alimentary canal between the mouth and stomach

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • stomodaeal adjective

Etymology

Origin of stomodaeum

C19: from New Latin, from Greek stoma mouth + hodaios on the way, from hodos way

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The stomodaeum is compressed laterally, and is furnished with two longitudinal grooves, a sulcus and a sulculus.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

Other mesenteries, called incomplete, are not attached to the stomodaeum, and their internal margins are free from the peristome to the basal disk.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various

Foregut: extends from the mouth to the end of gizzard; its epithelium being formed from the ectodermal invagination known as the stomodaeum.

From Explanation of Terms Used in Entomology by Smith, John. B.

The anus is formed by a tucking in, the proctodaeum, similar to the stomodaeum.

From Text Book of Biology, Part 1: Vertebrata by Wells, H. G. (Herbert George)

The sub-class Nuda have no tentacles of any kind; they are conical or ovoid, with a capacious stomodaeum like the cavity of a thimble.

From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" by Various