. Practical anatomy of the rabbit : an elementary laboratory textbook in mammalian anatomy . Rabbits; Anatomy, Comparative. 166 Anatomy of the Rabbit. tremity—is divisible into proximal, middle and distal segments. The proximal segment contains a single element, the femur; the middle segment two elements, the tibia and fibula, which, how- ever, are extensively coalesced; and the distal segment twenty- three elements, of which six form the tarsus, five the meta- tarsus, and twelve the pha- langes. THE COXAL BONE. The coxal bone (os coxae) (Fig. 69) is a somewhat trira- diate structure, the post
. Practical anatomy of the rabbit : an elementary laboratory textbook in mammalian anatomy . Rabbits; Anatomy, Comparative. 166 Anatomy of the Rabbit. tremity—is divisible into proximal, middle and distal segments. The proximal segment contains a single element, the femur; the middle segment two elements, the tibia and fibula, which, how- ever, are extensively coalesced; and the distal segment twenty- three elements, of which six form the tarsus, five the meta- tarsus, and twelve the pha- langes. THE COXAL BONE. The coxal bone (os coxae) (Fig. 69) is a somewhat trira- diate structure, the posterior limbs of which are united, so that they enclose a large aper- ture, the obturator foramen (foramen obturatum). It is firmly articulated with the sacrum, and is united with its fellow of the opposite side by a thin strip of cartilage containing a small amount of fibrous material. The latter connec- tion is the pubic symphysis (symphysis pubis), better term- ed in the rabbit the pelvic symphysis, since it is some- what more extensive than the corresponding articulation of the human pelvis. In the young animal each half of the pelvis consists of three elements, namely, the ilium, ischium, and pubis. They form the three rays of the one another in the region of the. Fig. 69. Lateral surface of the left coxal bone: IL, ilium; IS, ischium; P, pubis; a., acetabulum; ; iliac wing; , body of iliumj ,, body 6t ischium; , body of pubis; cr., iliac crest; , iliopectineal eminence; , acetabular' fossa; , obturator foramen; , acetabular notch; , lesser sciatic notch; , greater sciatic notch; , iliopectineal line; , lateral process of ischial tuberosity; , inferior ramus of ischium; , inferior ramus of pubis; , superior ramus of ischium; , superior ramus of pubis; , inferior anterior spine of the ilium; , superior anterior spine; s,i., ischial spine; , symphysis pubis; , inferior posterio
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