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Body Atlas, Bone Reference

Bones

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

147 bones

147 bones

Bone Sphenoid Bone os sphenoidale Head & Skull The sphenoid is the central skull base bone articulating with every other cranial bone, making it… Bone Sphenoid Bone os sphenoidale Head & Skull The sphenoid is a butterfly-shaped bone at the base of the skull that articulates with every… Bone Spinous Process processus spinosus vertebrae Spine The spinous process is the posterior midline projection of each vertebra, serving as the attachment site… Bone Sternum sternum Chest The sternum is a flat, dagger-shaped bone forming the anterior midline of the thorax, consisting of… Bone Sternum (Full) sternum Chest The sternum forms the central anterior thorax, articulating with the clavicles at the SC joints and… Bone T1 Vertebra vertebra thoracica I Spine T1 is the first thoracic vertebra, transitioning from the cervical to the thoracic spine and articulating… Bone T1-T12 Vertebrae (Thoracic) vertebrae thoracicae (T1-T12) Chest The twelve thoracic vertebrae form the posterolateral thoracic cage, each with a heart-shaped body, bilateral facets… Bone T2-T8 Vertebrae vertebrae thoracicae II-VIII Spine Vertebrae T2 through T8 are the mid-thoracic vertebrae that articulate with the corresponding ribs at their… Bone T9-T12 Vertebrae vertebrae thoracicae IX-XII Spine The lower four thoracic vertebrae transition toward the lumbar region, with T9 through T12 articulating with… Bone Talar Dome trochlea tali Foot & Ankle The talar dome (trochlea tali) is the superior articular surface of the talus that fits within… Bone Talus talus Foot & Ankle The talus sits at the summit of the foot, transmitting body weight from the tibia to… Bone Talus (Full) talus Foot & Ankle The talus is the keystone of the ankle mortise, transmitting body weight from the tibia to… Bone Tarsal Sinus sinus tarsi Foot & Ankle The tarsal sinus (sinus tarsi) is the cone-shaped space between the talus and calcaneus, formed by… Bone Temporal Bone os temporale Head & Skull The paired temporal bones form the lateral skull walls and contain the middle and inner ear… Bone Thoracic Vertebral Body corpus vertebrae thoracalis Chest The thoracic vertebral bodies increase in size from T1 to T12 as the load they bear… Bone Tibia tibia Lower Leg The tibia is the larger, weight-bearing bone of the lower leg and the second longest bone… Bone Tibial Plateau condyli tibiae Knee The tibial plateau comprises the medial and lateral condyles of the proximal tibia, providing the tibial… Bone Transverse Process processus transversus vertebrae Spine The transverse processes are the lateral projections from each vertebra at the junction of the pedicle… Bone Trapezium os trapezium Hand & Wrist The trapezium is the most lateral distal carpal bone, articulating with the scaphoid, trapezoid, and the… Bone Trapezoid os trapezoideum Hand & Wrist The trapezoid is the smallest distal carpal bone, tightly wedged between the trapezium and capitate in… Bone Triquetrum os triquetrum Hand & Wrist The triquetrum is a pyramid-shaped carpal bone on the medial side of the proximal row that… Bone Trochlea (Humerus) trochlea humeri Upper Arm The trochlea is the spool-shaped medial articular surface of the distal humerus that articulates with the… Bone Twelfth (Floating) Rib costa duodecima Lower Back The twelfth rib is the shorter of the two floating ribs (with the eleventh), articulating only… Bone Ulna ulna Forearm The ulna is the medial forearm bone forming the primary articulation with the humerus at the…

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