. The comparative anatomy of the domesticated animals. Horses; Veterinary anatomy. 116 TBE BONES. obliquely truncated behind, from the summit to the base. It offers for study: three faces, three borders, and two lateral angles. Faces.—The anterior, convex from side to side, and cribbled by porosities and vascular openings, shows on each side : 1. The preplantar fissvre—a horizontal groove more or less ramified, which commences behind, between the retrossal and basilar processes, terminating in front in one of the foramina that penetrate the bone. 2. The patilohe eminence—a roughened projecting
. The comparative anatomy of the domesticated animals. Horses; Veterinary anatomy. 116 TBE BONES. obliquely truncated behind, from the summit to the base. It offers for study: three faces, three borders, and two lateral angles. Faces.—The anterior, convex from side to side, and cribbled by porosities and vascular openings, shows on each side : 1. The preplantar fissvre—a horizontal groove more or less ramified, which commences behind, between the retrossal and basilar processes, terminating in front in one of the foramina that penetrate the bone. 2. The patilohe eminence—a roughened projecting surface, situated between the preceding fissure and the inferior border of the bone. The superior face is occupied by an articular surface formed by two glenoid cavities and a slight median ridge ; it comes in apposition with the inferior face of the second phalanx. The inferior (or solar) face, hollowed out like an arch, is divided into two regions by the semilunar crest, a salient line which describes a curve forwards. The anterior region is perforated with very fine porosities, and corresponds to that part of the hoof named the sole. The posterior region shows, immediately behind the semilunar crest, a median imprint, and two lateral channels designated the plantar fissures. These originate at the root of the basilar process, are directed obliquely downwards and inwards, and open into plantar foramina, the external orifices of two large canals which enter the bone and unite in its interior to form the semilunar Y\z. SURF.\CE OF THIRD PHALANX. 1, Lower face, or sole; 2, 3, wings, or retrossal pro- cesses ; 4, internal border; 5, plantar foramina. Sinus. Borders.—The superior describes a curve, with the convexity forward, and presents : 1. In its middle, the pyramidal eminence of the os pedis—a single tri- angular process, flat before and behind, roughened on its anterior aspect, and concurring, by its posterior surface, to form the articular surf
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