Also found in: Medical.


1. The condition of being scaly.
2. An arrangement of scales, as on a fish.


1. (Biology) the condition of having or forming scales or squamae
2. (Zoology) the arrangement of scales in fishes or reptiles


(skweɪˈmeɪ ʃən)

1. the state of being squamate.
2. the arrangement of the squamae or scales of an animal.
References in periodicals archive ?
Frontal squamation nomenclature follows that described by Hoedeman (1958), and the cephalic neuromast series are described according to Costa (2006).
Scale morphology and squamation patterns in cichlids (Teleostei, Perciformes): Acomparative study.
1 n order to determine die cellular origin of these hyperplastic lesions and the possible presence of squamation, the tissue sections were imnumohisrochemically evaluated using several cytokeratin and epithelial cell markers in SHHF rats.
Comparing with adults plaque-type psoriasis lesions in childhood are more itchy, with finer, softer and less squamation.
The two types of pen shell--scaly type and smooth type--are defined by the presence or absence of squamation of the shell surface (Torigoe 1985).
A combination of morphological characters, pigmentation, preopercular spine pattern, meristic counts, and squamation in later developmental stages is essential to identify Icelinus to the species level.
beniensis, from the rio Madeira drainage; Owiyeye is diagnosed by the absence of dermosphenotic, a derived pattern of frontal squamation, and a colour pattern of the mandibular region, and includes species from the Amazonas and Orinoco river basins; Melanorivulus is diagnosed by an apomorphic morphology of preopercle, and derived colour patterns of male postorbital region and female unpaired fins, and includes species from southern Amazonian tributaries, Parana-Paraguay river system, and Parnaiba and Sao Francisco river basins.
Although he could find no differences in color pattern or squamation between it and the adjacent peninsular populations of C.
Enlarged post-occipital squamation is relatively rare in the estuarine crocodile.
Terminology for frontal squamation follows Hoedeman (1958); the E- scale was determined as that scale adjacent to the anteriormost neuromast of the posterior section of the supraorbital series.