Gross and Biometric Studies on Pelvic Bone of the Emu (Dromaius novaehollandiae)

Barvalia, Ishita; Panchal, K. M.

doi:10.21887/ijvsbt.14.4.6

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“…The major digit was the largest and consisted of two phalanges and the minor digit contained only one phalanx as also reported earlier [15] and [7], respectively. The ilium was composed of preacetabular, acetabular, and post acetabular parts similar to the description in emu [18], however, the previous observation on the ilium of ostriches quoted to have two parts only [19] and [20]. The acetabulum was circular, centrally perforated bony ring was concurred with earlier reports [18].…”

Section: Discussionsupporting

confidence: 84%

“…The ilium was composed of preacetabular, acetabular, and post acetabular parts similar to the description in emu [18], however, the previous observation on the ilium of ostriches quoted to have two parts only [19] and [20]. The acetabulum was circular, centrally perforated bony ring was concurred with earlier reports [18].…”

Section: Discussionsupporting

confidence: 84%

“…The preacetabular ilium in present study was consisted of two surfaces and four borders as also described earlier [18]. The dorsal border of each ilium fused dorsally to form a prominent dorsal iliac crest as also described in chicken [4] and ostrich [19].…”

Section: Discussionsupporting

confidence: 56%

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Morphometric studies on the appendicular bony skeleton of the ostriches (Struthio Camelus)

et al. 2023

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Background Morphometric study of the bony elements of the appendicular skeleton in the ostrich was fully described and identified. The appendicular skeleton included the bones of the pectoral girdle, the wing, the pelvic girdle and the pelvic limb. Results The shoulder girdle of the ostrich included the scapula and coracoid bones. The scapula appeared as a flattened spoon-like structure. The coracoid bone appeared quadrilateral in outline. The mean length of the scapula and coracoid (sternal wing) were 15.00 ± 0.23 and 10.00 ± 0.17 cm, respectively. The wing included the humerus, ulna, radius, radial carpal bone, ulnar carpal bone, carpometacarpus and phalanges of three digits. The mean length of the humerus, radius, and ulna were 33.00 ± 0.46, 10.50 ± 0.40 and 11.50 ± 0.29 cm respectively. The carpometacarpus was formed by the fusion of the distal row of carpal bones and three metacarpal bones. Digits of the wing were three in number; the alular, major and minor digits. Os coxae comprised the ilium, ischium and pubis. Their mean lengths were 36.00 ± 0.82 cm, 32.00 ± 0.20 and 55.00 ± 0.2.9 cm, respectively. The femur was a stout short bone, that appeared shorter than the tibiotarsus. The mean length of the femur, tibiotarsus, and tarsometatarsus were 30.00 ± 0.23, 52.00 ± 0.50 and 46.00 ± 0.28 cm. Tibiotarsus was the longest bone in the pelvic limb. The fibula was a long bone (44.00 ± 0.41 cm) lying along the lateral surface of the tibiotarsus. The tarsometatarsus was a strong long bone formed by the fusion of the metatarsal (II, III, IV) and the distal row of tarsal bones. It was worth mentioning that metatarsal II was externally absent in adults. Conclusions In the appendicular skeleton of ostrich, there were special characteristic features that were detected in our study; the clavicle was absent, the coracoid bone was composed of a sternal wing and scapular wing, the ulna was slightly longer in length than the radius. The coupled patellae i.e., the proximal and distal patella were observed; and the ostrich pedal digits were only two; viz., the third (III) and fourth (IV) digits.

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