hydranth

[ hahy-druhnth ]

noun

, Zoology.

1. the terminal part of a hydroid polyp that bears the mouth and tentacles and contains the stomach region.

hydranth

/ ˈhaɪdrænθ /

noun

1. a polyp in a colony of hydrozoan coelenterates that is specialized for feeding rather than reproduction

Word History and Origins

Origin of hydranth¹

1870–75; hydr(a) + Greek ánth ( os ) flower

Word History and Origins

Origin of hydranth¹

C19: from hydra + Greek anthos flower

Example Sentences

As a general rule polyp-buds are produced from the hydrorhiza and hydrocaulus, while medusa-buds are formed on the hydranth.

From Project Gutenberg

Hydranth more shortened, daisy-like in form, with two whorls of tentacles, oral and aboral.

From Project Gutenberg

Speaking generally, three principal types of hydranth can be distinguished, each with subordinate varieties of form.

From Project Gutenberg

Hydranth with tentacles reduced below four; type of Lar (fig. 11), Monobrachium, &c.

From Project Gutenberg

In both cases the hydranth is extremely reduced and has no tentacles, and the polyp forms a colony by budding from the base.

From Project Gutenberg