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Body Atlas, Bone Reference

Bones

Full skeletal reference, surface landmarks, articulations, ossification, fracture patterns, and clinical significance.

411 bones

411 bones

Bone Axis (C2) axis Neck The axis is the second cervical vertebra, unique for its upward-projecting dens (odontoid process) that acts… Bone Axis Body (C2) corpus axis Neck The axis (C2) is the second cervical vertebra, distinguished by the dens (odontoid process) projecting superiorly… Bone Base of the Fifth Metatarsal basis ossis metatarsi quinti Foot & Ankle The base of the fifth metatarsal has three distinct zones relevant to fracture classification: Zone 1… Bone Bicipital Tuberosity Groove of Radius sulcus tuberositatis radii bicipitalis Forearm The medial surface of the radial neck and tuberosity has a smooth groove adjacent to the… Bone Bifid Cervical Spinous Process processus spinosus bifidus vertebrae cervicalis Neck The spinous processes of C3-C6 are typically bifid (split into two tubercles at their tips), providing… Bone Bipartite Patella patella bipartita Knee A bipartite patella results from failure of fusion of an accessory ossification centre with the main… Bone Blumensaat’s Line linea Blumensaat Knee Blumensaat's line is the radiographic line representing the intercondylar notch roof on a lateral knee X-ray… Bone Bony Semicircular Canals canales semicirculares ossei Head & Skull The three bony semicircular canals (superior/anterior, posterior, and horizontal/lateral) are the osseous labyrinthine structures within the… Bone Bregma bregma Head & Skull The bregma is the junction point of the coronal suture (between frontal and parietal bones) and… Bone C3 Vertebra vertebra cervicalis III Neck The third cervical vertebra is a typical cervical vertebra with a small body, bifid spinous process,… Bone C4 Vertebra vertebra cervicalis IV Neck C4 is a typical cervical vertebra at approximately the level of the upper border of the… Bone C5 Vertebra vertebra cervicalis V Neck C5 is the most commonly fractured cervical vertebra in flexion injuries. The C5 nerve root is… Bone C6 Vertebra vertebra cervicalis VI Neck C6 has a prominent anterior tubercle of its transverse process (the carotid tubercle) against which the… Bone C7 Vertebra vertebra prominens Neck C7, the vertebra prominens, has the longest spinous process of all cervical vertebrae and is palpable… Bone Calcaneal Body corpus calcanei Foot & Ankle The calcaneal body is the largest tarsal bone, forming the heel. It contains two weight-bearing facets… Bone Calcaneal Spur osteophytum calcanei Foot & Ankle The calcaneal spur is an osteophyte that forms at the plantar fascia and intrinsic muscle origins… Bone Calcaneal Tuberosity tuber calcanei Foot & Ankle The calcaneal tuberosity is the posterior rounded eminence of the calcaneus forming the heel, the weight-bearing… Bone Calcaneal Tuberosity Detail tuber calcanei Foot & Ankle The calcaneal tuberosity is the posterior projection of the calcaneus that serves as the insertion of… Bone Calcaneus calcaneus Foot & Ankle The calcaneus, or heel bone, is the largest bone in the foot, providing the posterior heel… Bone Calcaneus (Full) calcaneus Foot & Ankle The calcaneus is the heel bone, the largest tarsal bone, and the primary weight-bearing bone of… Bone Calcar Femorale calcar femorale Pelvis & Hip The calcar femorale (Merkel spur) is the dense vertical plate of cortical bone within the proximal… Bone Capitate os capitatum Hand & Wrist The capitate is the largest carpal bone and occupies the centre of the wrist, forming the… Bone Capitellum capitulum humeri Upper Arm The capitellum is the spherical lateral articular surface of the distal humerus that articulates with the… Bone Capitellum of the Humerus capitulum humeri Upper Arm The capitellum is the rounded lateral articular surface of the distal humerus, articulating with the radial…

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