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Medical Definition of Cyathostoma
1. A genus of gapeworms of poultry in the nematode family Syngamidae, so called because of the gaping habit of fowl infected by these worms in their upper respiratory tract. Origin: G. Kyathos, cup, cup-shaped, + stoma, mouth Cyathostoma bronchialis, a species found in wild geese and domestic ducks, geese, and swans; occurs in the larynx, trachea, and bronchi and causes distress and symptoms similar to those produced by the chicken gapeworm, Syngamus trachea; its life cycle is thought to be similar to that of Syngamus trachea. (05 Mar 2000)
Lexicographical Neighbors of Cyathostoma
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