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 ?
From this day onwards the juvenile stage is characterized by the completion of squamation of the body surface, the appearance of the typical coloration of the species and accelerate body growth.
The natural mould of the ventral side of the skull, shoulder girdle and squamation of Eusthenodon sp.
Even with some incomplete specimens, the authors were able to provide a detailed description of the neurocranium and pelvic girdle, including information on meristics, morphometries, and variations of shape and squamation. Also, Leible & Stehmann (1987) provided the first description of the scapulocoracoid cartilage and external and internal morphology of claspers.
6), with the scales shown in lateral view and a good number of vertebral centra protruding through the squamation. The caudal fin is entirely missing.
Frontal squamation nomenclature follows that described by Hoedeman (1958), and the cephalic neuromast series are described according to Costa (2006).
Larval fish were identified as yolk-sac larvae, larvae, or juveniles based on family specific characteristics (i.e., fin ray development, mouth position, and squamation) and measured to the nearest tenth of a millimeter.
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. Erythroderma, arthropathy, localized and generalized forms of pustular psoriasis are quite rare in contrast to guttat psoriasis.
At the upper layers of stratified squamous epithelia, viral DNA is packaged into capsids and virions produced are freed through normal de squamation processes, triggering little inflammation (14).
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).