Musculoskeletal
15 structures
Bones Skeletal System
The adult skeleton has 206 bones: 80 axial skull, vertebral column, ribs, sternum and 126 appendicular limbs, girdles. Bone types ...
Spine Vertebral Column
The vertebral column has 33 vertebrae: 7 cervical, 12 thoracic, 5 lumbar, 5 sacral fused, and 4 coccygeal fused. It provides struc...
Muscles
The muscular system has over 600 muscles, comprising 40 to 50 percent of body weight. Three types: skeletal voluntary, striated, a...
Joints
Joints articulations connect bones. Three types: synarthroses immovable skull sutures, amphiarthroses slightly movable symphysis p...
Cartilage
Cartilage is a firm flexible connective tissue. Three types: hyaline articular cartilage covering bone ends, costal cartilage conn...
Skull
The skull is the bony structure of the head and is made up of 22 bones, not counting the small bones of the middle ear. It has two...
Rib Cage
The rib cage, or thoracic cage, is the bony and cartilaginous enclosure of the chest, formed by the sternum at the front, twelve p...
Pelvis
The bony pelvis is a ring formed by the two hip bones at the sides and front and the sacrum and coccyx at the back. Each hip bone ...
Femur
The femur, or thigh bone, is the longest, heaviest, and strongest bone in the human body. Its rounded head fits into the acetabulu...
Tendons
Tendons are tough, flexible cords or bands of dense regular connective tissue that attach muscles to bones. They are composed main...
Ligaments
Ligaments are bands of dense connective tissue that connect one bone to another, usually around joints. Like tendons, they are mad...
Rotator Cuff
The rotator cuff is a group of four muscles and their tendons that surround the shoulder joint: the supraspinatus, infraspinatus, ...
Knee
The knee is the largest joint in the body and one of the most complex. It is formed by the femur, the tibia, and the patella, or k...
Fascia
Fascia is a continuous network of connective tissue, made largely of collagen, that surrounds and interconnects muscles, groups of...
Intervertebral Discs
Intervertebral discs are the fibrocartilage cushions between the bodies of adjacent vertebrae, from the second cervical vertebra d...