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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 Ischium (Detail) os ischii Pelvis & Hip The ischium forms the posteroinferior portion of the pelvis, contributing the lower acetabulum, the ischial tuberosity… Bone Jugular Foramen foramen jugulare Head & Skull The jugular foramen is an irregular opening at the posterior lateral skull base between the petrous… Bone Jugular Notch of Sternum incisura jugularis sterni Chest The jugular notch (suprasternal notch) is the concave superior margin of the manubrium sterni, palpable in… Bone Jugum Sphenoidale jugum sphenoidale Head & Skull The jugum sphenoidale (planum sphenoidale) is the flat superior surface of the sphenoid body anterior to… Bone L1 Vertebra vertebra lumbalis I Lower Back L1 is the first lumbar vertebra at the thoracolumbar junction, the most common level for burst… Bone L1-L5 Vertebrae (Lumbar) vertebrae lumbales (L1-L5) Lower Back The five lumbar vertebrae have the largest bodies of the spinal column (accepting the highest axial… Bone L2 Vertebra vertebra lumbalis II Lower Back L2 is a large lumbar vertebra with a prominent body and strong transverse processes providing attachment… Bone L3 Vertebra vertebra lumbalis III Lower Back L3 is considered the apex of the lumbar lordosis and the most mobile of the lumbar… Bone L4 Vertebra vertebra lumbalis IV Lower Back L4 is at the level of the iliac crests — a key surface landmark — and… Bone L5 Vertebra vertebra lumbalis V Lower Back L5 is the most inferior lumbar vertebra and the site of the most common lumbar disc… Bone Lacrimal Bone os lacrimale Head & Skull The lacrimal bone is the smallest and most fragile bone of the face, forming part of… Bone Lacrimal Fossa fossa sacci lacrimalis Head & Skull The lacrimal fossa is a vertical groove in the anteromedial orbital wall formed by the anterior… Bone Lambda lambda Head & Skull The lambda is the posterior sutural junction where the sagittal suture meets the lambdoid suture, at… Bone Lamina Papyracea lamina papyracea ossis ethmoidalis Head & Skull The lamina papyracea (orbital plate of the ethmoid) is the thin bony plate forming the medial… Bone Lateral Cuneiform os cuneiforme laterale Foot & Ankle The lateral cuneiform articulates with the intermediate cuneiform, cuboid, navicular, and the second and third metatarsals,… Bone Lateral Epicondyle (Humerus) epicondylus lateralis humeri Upper Arm The lateral epicondyle is the lateral prominence of the distal humerus serving as the origin of… Bone Lateral Femoral Condyle condylus lateralis femoris Thigh The lateral femoral condyle is the smaller and shorter of the two femoral condyles, projecting slightly… Bone Lateral Femoral Epicondyle epicondylus lateralis femoris Thigh The lateral femoral epicondyle is the bony prominence on the lateral distal femur, providing attachment for… Bone Lateral Malleolus malleolus lateralis fibulae Foot & Ankle The lateral malleolus is the distal end of the fibula forming the lateral wall of the… Bone Lateral Malleolus of the Fibula malleolus lateralis fibulae Lower Leg The lateral malleolus is the distal expanded end of the fibula forming the lateral wall of… Bone Lateral Orbital Wall paries lateralis orbitae Head & Skull The lateral orbital wall is the strongest and thickest of the four orbital walls, formed anteriorly… Bone Lateral Supracondylar Ridge crista supracondylaris lateralis Upper Arm The lateral supracondylar ridge is the lateral bony ridge running from the lateral epicondyle proximally along… Bone Lateral Supracondylar Ridge of the Femur linea supracondylaris lateralis femoris Thigh The lateral supracondylar ridge continues from the linea aspera toward the lateral epicondyle, providing attachment for… Bone Lateral Tibial Plateau condylus lateralis tibiae facies articularis Knee The lateral tibial plateau is the convex or slightly flat articular surface of the lateral tibial…

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