- leuconoid
- leu·co·noid
English syllables. 2014.
leuconoid
Look at other dictionaries:
leuconoid — adjective or noun see leucon … Useful english dictionary
leuconoid grade or type — (PORIFERA) A grade of construction of sponges in which the choanocyte chambers are small, and distributed through the interior tissues; see asconoid grade, synconoid grade … Dictionary of invertebrate zoology
Sponge — This article is about the aquatic animal. For the porous cleaning tool, see Sponge (material). For other uses, see Sponge (disambiguation). Sponge Temporal range: Ediacaran–Recent … Wikipedia
Choanocyte — Choanocytes (also known as collar cells ) are cells that line the interior of Asconoid, syconoid and leuconoid body type sponges that contain a central flagellum surrounded by a collar of microvilli which are connected by a thin membrane. It is… … Wikipedia
synconoid grade — (PORIFERA) A grade of construction intermediate between the asconoid and the leuconoid, in which each radial canal is subdivided into elongate flagellate chambers grouped around a common excurrent channel; see leuconoid grade, asconoid grade … Dictionary of invertebrate zoology
Choanoderm — The choanoderm is composed of flagellated collar cells, or choanocytes. The sponge body is mostly a connective tissue, the mesohyl, over which are applied epithelioid monolayers of cells, the outer pinacoderm and the inner choanoderm. Most… … Wikipedia
Calcareous sponge — Taxobox name = Calcareous sponges image caption = Calcispongiae from Ernst Haeckel s Kunstformen der Natur , 1904 regnum = Animalia phylum = Porifera classis = Calcarea classis horny = Bowerbank, 1864 subdivision ranks = Orders subdivision =… … Wikipedia
Filter feeder — [ left|thumb|200px|Krill feeding under high phytoplankton concentration (slowed down by a factor of 12).] Filter feeders (also known as suspension feeders) are animals that feed by straining suspended matter and food particles from water,… … Wikipedia
Spongocoel — A spongocoel (pronEng|ˈspɒŋgəˌsiːl) is the large, central cavity of sponges. Water enters into the spongocoel through hundreds of tiny pores (Ostia) and exits through the larger opening (osculum). Depending on the body plan of the sponge (which… … Wikipedia
Demosponge — Barrel sponge (Xestospongia testudinaria) Scientific classification … Wikipedia
