b's which constitute the pelvis, periosteal b

A b. formed by the osteogenetic layer of the periosteum. It is the principal, if not the sole form of adult b., and occurs and both intra cartilaginous in in b's having those having an an intra membranous o ification. pisiform b. A small pea-shaped b. lying on the ulnar side of the pyramidal b. of the carpus, pneumatic b's. B's which contain a large number of air cells, or, as in birds, air sacs, premaxillary b. See intermaxillary b. pyramidal b. Syn.: cuneiform b. A wedge-shaped b. situated at the outer side of the carpus, with its apex directed downward and outward, and articulating with the semilunar, pisiform, and unciform b's. rickety b's.as the B's which are deficient in earthy matter result of rickets, scaphoid b. i. A b. of the tarsus lying on the outer side of the foot. 2. The most external b. of the first row of the carpus, semilunar b. A b. of the first row of the carpus lying between the scaphoid and pyramidal b's. sesamoid b's. Small b's which lie within the substance of the tendons of various muscles. short b's. B's of which the length is greater than the breadth or thickne , but in no marked degree, sphenoid b., sphenoidal b. A b. which lies acro the base of the skull near its middle, and a ists in forming the orbits and the nasal fo ae. sphenoidal turbinate b's. See spenoidal cornua, under cornu. super maxillary b. See superior maxilla, under maxilla, symmetrical b's. B's divided into two equal halves, by the median plane of the body (e. g., the sternum), tarsal b's. The bones which form the tarsus, or instep, viz., the calcaneum, the astragalus, the scaphoid b., the cuboid b., and the internal, middle, and external cuneiform b's. temporal b. A b. of irregular shape situated at the side of the skull. It is divided into the squamous, petromastoid, and tympanic portions, thigh b. See femur, trapezoid b. A b. of the second row of the carpus, turbinate b. Any one of the b's on the outside of the nasal fo a. They are the superior and middle (part of the ethmoid b.), the inferior, and sphenoid, unciform b. The innermost b. of the second row of the carpus. It is somewhat triangular and has a hook shaped proce upon its anterior surface. upper jaw b. See maxilla, wormian b's. The small b's often found within the cranial sutures. [Old Eng., ban.]