supraoccipital


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Related to supraoccipital: Supraoccipital bone

supraoccipital

[¦sü·prə·äk′sip·əd·əl]
(anatomy)
Situated above the occipital bone.
References in periodicals archive ?
Rough scales with many small ctenii covering most of body; head, including jaws, completely scaled, scales on cranium between supraoccipital crest and snout minute and unorganized, these scales also cover jaws, circumorbital area, and region ventral to orbit; preopercle and opercle covered in loosely organized rows of larger scales, posteriorly flanked by accessory scales.
1] Further, the intermediate segment which lies between the superior and highest nuchal lines remains fused with supraoccipital part of occipital bone.
Los materiales aqui descriptos son claramente referibles a Corydoradinae por presentar espinas pectorales punzantes, aserradas solo en su margen posterior, supraoccipital con lamina posterior bien desarrollada, operculo con una particular orientacion de la quilla para la insercion del m.
It is the result of the incomplete ossification of the ventromedial part of the supraoccipital bone, (PARKER & PARK, 1974a; DE LAHUNTA, 1983; WATSON et al.
Identifications of species were based on morphological criteria available in the literature and included presence of epidermal villi, depth of caudal-fin fork, contact between supraoccipital and supraneural bones, basal length of anal fin in relation to length of head, profile of distal margin of anal fin, basal length of anal fin, number of anal-fin rays, length of dorsal spine, and number of gill rakers (Rutter, 1896; Minckley, 1973; Lundberg, 1992; Miller et al.
Perfil dorsal de la cabeza ligeramente convexa desde el labio superior a una vertical en medio de la orbita del ojo; recta a ligeramente concava de este ultimo punto hasta el extremo posterior de la espina supraoccipital, y recta desde aca hasta el inicio de la aleta dorsal.
In many fish, part of the skull is affected, such as the supraoccipital of the spadefish.
In newborn and young specimens, other openings in the occipital region (located above the fenestrae) were observed, corresponding to the fontanelles, formed by the union of the exoccipital, parietal and supraoccipital bones (Figure 5).
The supraoccipital sensory canal forms an open 'V'-shape anterior to the first dorsal-fin spine (compared to a flattened curve for other species).
Una pequena fontanela, no mas grande que la cabeza de un alfiler se encuentra en la region media del supraoccipital en Pseudoplatystoma y generos hermanos, Sorubim, Sorubimichthys, Hemisorubirn y Paulicea.