Ctenoid is a 7 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 12 points.
You can make 219 anagrams from letters in ctenoid (cdeinot).
First recorded in 1830-40, ctenoid is from the Greek word ktenoeidḗs like a comb. See cteno-, -oid
In general, prickly points on the skin are modifications of ctenoid scales.
ctenoid scales have a comb-edge of fine prickles or cilia; cycloid scales have the edges smooth.
The cycloid and ctenoid scales of Teleosteans (see p. 105) are thin plates coated with epidermis.
The distinctions between cycloid and ctenoid scales, between placoid and ganoid fishes, are vague, and can hardly be maintained.
A ctenoid scale differs in having its posterior margin pectinate.
Louis Agassiz distinguished four kinds of scales—placoid, ganoid, cycloid and ctenoid.
There are two principal types of Teleostean scales, the cycloid and ctenoid.
The exoskeleton is sometimes absent but generally consists of overlapping cycloid or ctenoid scales.