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Int. j. morphol ; 33(2): 428-432, jun. 2015. ilus
Article in English | LILACS | ID: lil-755489

ABSTRACT

The present study has been done on the mandible of blackbuck. The mandible was a paired bone. It was the largest bone of the skull, and it was made up of two halves, which were united with immovable articulation forming mandibular symphysis. It presented for description three surfaces and three borders. The lingual sur-face was smooth and concave. Its symphyseal surface was rough and irregular. The most prominent part of the curve of the ramus formed the angle of the jaw; the part of the ramus between the body and the angle was called horizontal part and carries the lower cheek teeth. The part of the ramus above the angle was termed the vertical part. The vertical part of ramus was non-tooth bearing, expanded vertical part of mandible. Each ramus presented for description two surfaces, two borders and two extremities. The lateral surface was widest at the angle and tapers towards the extremities.


Este estudio se llevó a cabo sobre la mandíbula del antílope negro. La mandíbula del antílope negro es un hueso emparejado, corresponde al hueso más grande del cráneo, y está compuesto de dos mitades, unidas por una articulación inmóvil formando la sínfisis mandibular. Se observaron tres superficies y tres márgenes. La superficie lingual era lisa y cóncava y la superficie sinfisial era áspera e irregular. La zona más prominente de la curva de la rama formó el ángulo de la mandíbula; el punto de la rama entre el cuerpo y el ángulo se denomina el área horizontal y lleva a los dientes de la mandíbula inferior. El punto de la rama superior al ángulo es conocido como el área vertical. Cada rama presentó para la descripción dos superficies, dos márgenes y dos extremidades. La superficie lateral era más ancha en el ángulo y se extendía hacia las extremidades.


Subject(s)
Animals , Tooth/anatomy & histology , Antelopes/anatomy & histology , Mandible/anatomy & histology
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