denticle

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Related to Denticles: Placoid scale

denticle

[′dent·ə·kəl]
(zoology)
A small tooth or toothlike projection, as the type of scale of certain elasmobranchs.
References in periodicals archive ?
dilutus, however, the tetrads tend to disappear after distal group 3 and only enlarged inner and outer denticles are present, and a "double row" of median plus inner accessory denticles is quite distinct on the basal 2/3 of the movable finger.
The cusp and the denticles of the posterior process form a united row of large denticles, with the anteriormost vertical and the posterior-most directed posteriorly.
Taking a lesson from nature, Speedo's suit uses two fabrics: One called Fastskin--has pointy ridges like a shark's denticles, and covers areas like shoulders that stick out in the water.
1D) Asymmetrical; without the same arrangement of denticles, however, almost the same size; incisor process not separated from molar process; armed with several teeth on molar part.
Rogers and his colleagues, who present their analysis in the April 3 Nature, found that the denticles on 10 randomly selected Majungatholus teeth had a spacing of 0.
Their skin is covered with tough scales, called denticles, that feel like sandpaper.
The SPEEDO(R) Fastskin(TM) fabric has ridges that are scientifically calculated for height and width to the exact proportion of the shark's dermal denticles -- the most efficient formula for speed.
Right epandrial lamella with slightly incised inner margin; right surstylus rather wide with four apical processes (median process very wide with marginal denticles, three lateral processes narrow and acute).
The denticles and denticulate platelets discovered, along with rostral, cephalo-pectoral and lateral scales, give evidence that they come from the anterior part of the body, from the lining of the bucco-pharyngeal and branchial regions (i.
2F), membrane adjacent to apex of sclerites with broad, triangular heavily sclerotized denticles (Fig.
Type 1 setae were characterized by being curved, having scale-like denticles along the seta, and a mouth-like opening at the tip (Fig.
The genus is readily separated into three groups based on the shape and distribution patterns of dermal denticles (Springer and Burgess 1985; Yano 1988).