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Related to supraorbital foramen: mental foramen, infraorbital foramen
See: loophole
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Normally, the supraorbital notch (SON) or supraorbital foramen (SOF) is situated along the supraorbital margin, which is entirely formed by the frontal bone.
It has also been observed that the left supraorbital foramen is situated closer to the midline in females compared with males.
In the present study, the supraorbital foramen distance, infraorbital foramen distance, skull length, skull width, cranial length and nasal length of the Indian onehumped camels were 6.35 [+ or -] 0.047 cm, 8.41 [+ or -] 0.076 cm, 48.75 [+ or -] 0.244 cm, 22.66 [+ or -] 0.108 cm, 32.73 [+ or -] 0.484 cm and 16.89 [+ or -] 0.283 cm, respectively (Fig.
The values of supraorbital foramen distance, skull length, cranial length and nasal length of the Indian native camels were relatively higher than the results obtained from the immature one-humped camel in Nigeria (Yahaya et al., 2012).
Tomaszewska et al., studied the frequency of the occurrence of supraorbital foramen in the skulls of the people who lived in three different climatic zones in Poland and reported the ratio to be 35.4 % for the zone with a cold climate, 18.8 % for zones with a hot climate and 19.9 % for the zones with a temperate climate.
Dorsal view of the skull of female blackbuck showing parietal bone (a), frontal bone (b), zig-zag interfrontal suture (c), supraorbital foramen (d), orbit (e), fronto-nasal suture (f), facial tuberosity (g), maxilla bone (h), Internasal suture (i), nasal bone (j), nasal process (k), palatine process of incisive bone (l), palatine fissure (m), incisive bone (n), inter-incisive fissure (o).
In a study of bones of the Byzantine period, Ikiz classified the position of the IOF in relation to the supraorbital foramen, and reported that it was most frequently located outside a vertical line passing through the outer edge of the supraorbital foramen (right 61.3 %, left 64.5 %).