Nettet18. jul. 2024 · All long bones have two main parts: diaphysis and epiphysis. Diaphysis The diaphysis is the shaft of the long bone, the main body. The diaphysis is a tube with a … NettetA long bone has two parts, the diaphysis and the epiphysis. Bones that undergo endochondral ossification also have a physis (growth plate). The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The hollow region in the diaphysis is called the medullary cavity, which is filled with yellow marrow.

Bone, Adipose, and Blood Connective Tissues - Biology LibreTexts

Nettet20. feb. 2024 · The medullary cavity (medulla- = marrow), or marrow cavity, is a hollow, cylindrical space within the diaphysis that contains fatty yellow bone marrow and numerous blood vessels in adults. This cavity minimizes the weight of the bone by reducing the dense bony material where it is least needed. Nettet23. apr. 2024 · Bone marrow is described as the soft, spongy, gelatinous tissue which is found in the hollow spaces in the interior of bones. Red marrow is found mainly in the flat bones such as the hip bone, breast bone, skull, ribs, etc and in the spongy material at the proximal ends of the long bones of the femur and humerus. downie brothers circus

6.3 Bone Structure - Anatomy and Physiology 2e OpenStax

Nettet7. mar. 2024 · Dinosaurs as big as buses or five-story buildings would not be possible if their bones were dense and heavy like ours. Like present-day birds, dinosaurs had hollow bones with inner structures ... Nettet18. jul. 2016 · • Fossa – a hollow or depressed area on a bone • Head, neck and shaft are used to describe parts of a long bone (Fig. 3.2) • Tendon – connects muscle to bone • Ligament – connects one bone to another bone The axial skeleton The skull The bones of the head include the skull, nasal chambers, mandible or lower jaw and hyoid apparatus. clamshell wood trim