Basioccipital


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Related to Basioccipital: basioccipital bone

Ba`si`oc`cip´i`tal


a.1.(Anat.) Of or pertaining to the bone in the base of the cranium, frequently forming a part of the occipital in the adult, but usually distinct in the young.
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scansor, where the delimitation of the parasphenoid bone is more oval and continuous with the basioccipital region.
The swim bladder with two anterior extensions extending forward to basioccipital on both sides above auditory capsule; two posterior extensions extending into haemal funnel beyond posterior end of body cavity (the roots of two posterior extensions are non-adjacent and two posterior extensions are not well-knitted); a single duct-like process originating from ventral surface of swim bladder (between the roots of two posterior extensions) and reaching urogenital opening.
Field identifications were confirmed using the basioccipital processes of voucher specimens (western silvery minnows have wider basioccipitals than plains minnows Hybognathus placitus; Page and Burr, 1991; Cross and Collins, 1995).
The ossification is observed in the medial and posterior regions of the basal plate, which correspond to basisphenoid, basioccipital and exoccipital.
La carilla articular anterior del centro vertebral que contacta con el basioccipital se encuentra levemente comprimida en sentido dorsoventral y su diametro es mucho menor que el que exhibe la respectiva carilla articular posterior.
A hacksaw was used to cut through the basioccipital and parasphenoid bones, stopping at the capsular otic bulla, the chamber containing the semicircular canals and otoliths.
A regiao do osso basioccipital abriga o conspicuo condilo occipital (condylus occipitalis, CO: Figura 1D) e a rasa fossa subcondilar (fossa subcondylaris, FS: Figura 1D); e circundada por dois tuberculos basilares (tuberculum basilare), locais de origem da musculatura cervical.
Para determinar el sexo se observo la morfologia del hueso basioccipital y se calculo un indice que tiene en cuenta la relacion longitud-ancho del mismo (Trouth et al.
The basilar tubercle (TB, Figures 3, 4 and 1014) of the rostral portion of the basioccipital region (B, Figure 10) has a moderately prominent crest-shape that is not prominent in Geococcyx (Figure 4).
Acridoidea is the largest superfamily within Orthoptera and contains about 11 extant families and about 7680 species, defined by the morphology of the male phallic complex and the lack of basioccipital slit, among other characters (Roberts 1941, Amedegnato 1974, Kevan 1982).