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Body Atlas, Bone Reference

Bones

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

346 bones
346 bones
Bone Tegmen Tympani tegmen tympani Head & Skull The tegmen tympani is the thin bony roof of the middle ear cavity (tympanic cavity), formed… 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 Thumb MCP Sesamoids ossa sesamoidea articulations metacarpophalangealis pollicis Hand & Wrist Two sesamoid bones (radial and ulnar) are consistently present at the palmar aspect of the thumb… Bone Thyroid Cartilage cartilago thyroidea Neck The thyroid cartilage is the largest cartilage of the larynx, formed by two quadrilateral laminae that… Bone Tibia tibia Lower Leg The tibia is the larger, weight-bearing bone of the lower leg and the second longest bone… Bone Tibial Crest crista tibiae Lower Leg The tibial crest (shin) is the sharp subcutaneous anterior edge of the tibia running from the… Bone Tibial Plafond plafond tibiae Lower Leg The tibial plafond is the distal articular surface of the tibia that forms the roof of… Bone Tibial Plateau condyli tibiae Knee The tibial plateau comprises the medial and lateral condyles of the proximal tibia, providing the tibial… Bone Tibial Sesamoid of the Hallux os sesamoideum tibiale hallucis Foot & Ankle The medial (tibial) sesamoid of the hallux is the larger of the two sesamoids embedded in… Bone Tibial Spine eminentia intercondylaris tibiae Knee The tibial spine (intercondylar eminence) is the central bony prominence on the tibial plateau between the… Bone Tibial Tuberosity tuberositas tibiae Knee The tibial tuberosity is a prominent oval elevation on the anterior surface of the proximal tibia,… Bone Transverse Foramen of Cervical Vertebrae foramen transversarium vertebrae cervicalis Neck The transverse foramen is an oval opening in the transverse process of cervical vertebrae C1 through… 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 Trochanteric Fossa fossa trochanterica Pelvis & Hip The trochanteric fossa is a deep pit on the medial surface of the greater trochanter, at… 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 Trochlear Groove of the Femur sulcus trochlearis femoris Thigh The trochlear groove (femoral sulcus) is the central groove of the trochlea on the anterior distal… 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 Tympanic Plate pars tympanica ossis temporalis Head & Skull The tympanic part of the temporal bone is a curved bony plate forming the anterior wall,… Bone Ulna ulna Forearm The ulna is the medial forearm bone forming the primary articulation with the humerus at the… Bone Ulnar Groove of the Medial Epicondyle sulcus nervi ulnaris Upper Arm The ulnar groove is a shallow groove on the posterior surface of the medial epicondyle of…

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