This page looks at musculoskeletal structures of the upper limb and events that occur at late embryonic Carnegie stage 22.
Page Links: Axial Skeleton | Upper limb | Lower limb
Upper limb (Rows C-D) |
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C5,C6: Scapula. Spine of scapula. Humerus (head). Clavicles. Deltoid muscle. Trapezius muscle. |
C7: Scapula spine. Deltoid muscle. Trapezius muscle |
D1: Flexor and extensor muscles of arm. |
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D2: Flexor and extensor muscles of arm. |
D3: Elbow mesenchyme (elbow flexed) |
D5: Carpal and metacarpal cartilages. Phalanges. (Note flexed, pronated position of arms). Humerus. Radius. |
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The mesoderm forms nearly all the connective tissues of the musculoskeletal system. Each tissue (cartilage, bone, and muscle) goes through many different mechanisms of differentiation.
These note therefore have many different pages covering each of tissue, as well as information about limb development. Use the left hand menu to go to a specific topic of interest.
Please email Dr Mark Hill if you wish to make a comment about this current project.
