. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 168 ANATOMICAL TECHNOLOGY. § 451. Fossa cotyloidea—Cotyloid fossa, Acetabulum.—The cotyloid fossa is a deep cup-shaped cavity in the lateral aspect of the innominate bone which articulates diarthrodially with the head of the femur. The third of the circumference of the cavity next the obturator foramen is absent, thus producing the cotyloid notch. A rough depression extends from this notch about half way across the floor of the fossa. § 452. mum.—Thi
. Anatomical technology as applied to the domestic cat; an introduction to human, veterinary, and comparative anatomy. Cats; Dissection; Mammals. 168 ANATOMICAL TECHNOLOGY. § 451. Fossa cotyloidea—Cotyloid fossa, Acetabulum.—The cotyloid fossa is a deep cup-shaped cavity in the lateral aspect of the innominate bone which articulates diarthrodially with the head of the femur. The third of the circumference of the cavity next the obturator foramen is absent, thus producing the cotyloid notch. A rough depression extends from this notch about half way across the floor of the fossa. § 452. mum.—This is the ce- phalic part of the os innomina- tum. It articulates with the sacrum and forms a considerable part of the cotyloid fossa. § 453. Ischium—The dorso- caudal part of the pelvic bone. It forms a large part of the coty- loid fossa and about one third of the pubic symphysis. § 454. Os cotyloideum—Co- tyloid bone.—A small bone form- ing the ventral part of the floor of the cotyloid fossa. Straus- Durckheim, A, I, 502; Milne- Edwards, A, X, 358. It has not been detected in man, and can be seen as a separate bone only in immature cats. § 455. Os innominatum—In- nominate or pelvic bone.—The os innominatum is made up of the ilium, the ischium, the os pubis and the os cotyloideum. These four bones are completely united in adult life. The right and left pelvic bones together form the pelvic girdle. § 456. Os pubis—Pnbic bone.—It is the cephalo-ventral of the bones forming the pelvic girdle. It forms only a small part of the cotyloid fossa and about two thirds of the symphysis pvhis. % 457. Pelvis, az.—"- The two innominate bones, together with. Fig. 51.—Tbnteal View of the Cat's Pelvis with Adjacent Vebtebe^. (Modified from Straiis-Durckheim.) Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resembl
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