cteno- cten-

(Greek: comb, rake; comblike, comb-shaped)

ctene (s) (noun), ctenes (pl)
Each of the movable, flattened, paddle-like arrays of fused cilia or very small, hairlike projections which are arranged in rows to form the very small swimming organs of some insects also known as "comb plates".

Some marine animals resembling jellyfishes have eight rows of cilia in their ctenes that are arranged like teeth in a comb for locomotion.

ctenidium (s) (noun), ctenidia (pl)
1. A respiratory or breathing organ or gill which is found in many mollusks: The cenidium is a structure which exists in bivalves and in many aquatic gastropods; such as, some freshwater snails and sea snails and also in some sea slugs.

Some aquatic gastropods possess one ctenidium while others have a pair of ctenidia.

A ctenidium is shaped like a comb or a feather, with a central part from which many filaments or plate-like structures protrude which are lined up in a row.

2. Etymology: The word is Latinized but is derived from the Greek ktenidion which means "little comb".
cteniform (adjective), more cteniform, most cteniform
A reference to being comb-shaped or resembling a comb.
ctenodactyl (s) (noun), ctenodactyls (pl)
Fingers or toes that have something on their skins which look like fish scales or tiny projections like the teeth of combs.
ctenoid (adjective), more ctenoid, most ctenoid
Descriptive of having many tiny projections on the edges like the teeth of a comb and as with many bony fish: Ctenoid scales vary in sizes, shapes, and structures ranging from strong and firm or soft and bending skins in fish.
Ctenophora (s) (noun), Ctenophoras (pl)
Invertebrate animals that live in marine waters worldwide: Ctenophoras are known for the groups of cilia they use for swimming; commonly referred to as "combs", and they are the largest animals to swim with the help of cilia.
ctenophoral (adjective), more ctenophoral, most ctenophoral
Ctenophores which are characterized by eight rows of cilia, which are used for movements: The cilia in each row of the ctenophoral creatures are arranged to form a stack of combs, also called "comb plates", or ctenes; therefore, the name ctenophore comes from the Greek, meaning "comb bearer".
ctenophoran (adjective) (not comparable)
Relating to creatures that move around in water by means of plates of cilia or the "combs": The ctenophoran animals live in marine environments and all are said to be carnivorous.
ctenophore (s) (noun), ctenophores (pl)
Marine animals that resemble jellyfish that swim by means of eight bands of transverse ciliated plates: Ctenophores are known as groups of cilia or "combs" they use for swimming and they are the largest animals to swim with the help of cilia.
ctenophoric (adjective) (not comparable)
Any of various marine invertebrates or sea animals with transparent, jellylike body bearing eight rows of "comblike" plates that aid in them in their swimming.
ctenophorous (adjective), more ctenophorous, moast ctenophorous
Referring to a ring-tailed dragon which is named for the banded pattern on its tail and it has a crest running from its neck along its back, as well as spines on the sides of its neck: The ctenophorous dragon is generally found in rocky areas, such as stony hills or outcrops with little vegetation.