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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 Sesamoid Bones of the First MTP ossa sesamoidea hallucis Foot & Ankle The two sesamoid bones of the great toe are embedded in the tendons of the flexor… Bone Sesamoid Bones of the Foot ossa sesamoidea pedis Foot & Ankle The two sesamoid bones of the great toe (medial and lateral sesamoids) are embedded within the… Bone Soleal Line linea musculi solei Lower Leg The soleal line is an oblique ridge on the posterior surface of the proximal tibia, running… 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 Sinus sinus sphenoidalis Head & Skull The sphenoid sinus occupies the body of the sphenoid bone and is divided by an asymmetric… Bone Spine of the Scapula spina scapulae Shoulder The spine of the scapula is the prominent posterior bony ridge crossing the posterior scapular surface,… Bone Spinous Process processus spinosus vertebrae Lower Back The spinous process is the posterior midline projection of each vertebra, serving as the attachment site… Bone Spiral Groove of the Humerus sulcus nervi radialis Upper Arm The spiral groove (radial groove) is a shallow oblique groove on the posterior surface of the… Bone Squamous Part of the Temporal Bone pars squamosa ossis temporalis Head & Skull The squamous part of the temporal bone forms the lateral cranial vault (temporal squama) and the… Bone Stapes stapes Head & Skull The stapes is the smallest and lightest bone in the human body, shaped like a stirrup… Bone Sternal Angle of Louis angulus sterni Ludovici Chest The sternal angle (angle of Louis, manubriosternal junction) is the palpable transverse ridge on the anterior… 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 Styloid Process of the Temporal Bone processus styloideus ossis temporalis Head & Skull The styloid process is a slender bony projection from the inferior surface of the temporal bone,… Bone Stylomastoid Foramen foramen stylomastoideum Head & Skull The stylomastoid foramen is the external opening of the facial canal (fallopian canal) on the inferior… Bone Subscapular Fossa fossa subscapularis Shoulder The subscapular fossa is the broad concave anterior (costal) surface of the scapula, providing the origin… Bone Subtrochanteric Region of the Femur regio subtrochanterica femoris Thigh The subtrochanteric region of the femur encompasses the proximal 5 cm of the femoral shaft below… Bone Superior Nasal Concha concha nasalis superior Head & Skull The superior nasal concha is the smallest and most superior of the nasal turbinates, a bony… Bone Superior Nuchal Line linea nuchalis superior Head & Skull The superior nuchal line is a curved bony ridge running horizontally across the external surface of… Bone Supracondylar Process of the Humerus processus supracondylaris humeri Upper Arm The supracondylar process (supratrochlear process) is a bony spur projecting anteromedially from the medial humeral shaft… Bone Supraglenoid Tubercle tuberculum supraglenoidale Shoulder The supraglenoid tubercle is a rough bony eminence at the superior rim of the glenoid cavity,… Bone Supraorbital Foramen foramen supraorbitale Head & Skull The supraorbital foramen (or notch) is an opening on the superior orbital rim of the frontal… Bone Supraspinous Fossa fossa supraspinata Shoulder The supraspinous fossa is the smaller posterior scapular depression above the scapular spine, providing the origin… Bone Surgical Neck of the Humerus collum chirurgicum humeri Shoulder The surgical neck of the humerus is the narrow junction between the proximal humeral metaphysis and…

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