Category: Images
Overview of Back
Humerus
Humerus is the upper arm bone. Proximally, it articulates with the glenoid fossa of the scapula, forming the glenohumeral (shoulder) joint. Distally, it articulates with the radius via the capitulum and with the ulna via the trochlea, forming the elbow … Continue reading Humerus
Overview of Joints in Human
Spinal Curvatures and Spinal Nerves Naming
Pictures showing spinal curvatures (primary vs. secondary) and naming system for spinal nerves Continue reading Spinal Curvatures and Spinal Nerves Naming
Comparison of vertebrae from 3 regions
Below are pictures pointing out the more obvious differences among the vertebrae from cervical, thoracic and lumbar regions. Continue reading Comparison of vertebrae from 3 regions
Lumbar vertebra
There are a total of 5 lumbar vertebra, out of which L5 is atypical (see here). Their characteristics include: Spinous processes are short and project posteriorly. Vertebral foramen is triangular, but smaller than those of the cervical vertebra. Articular facets … Continue reading Lumbar vertebra
Thoracic vertebra
There are a total of 12 thoracic vertebra. All of them articulate with rib. Their characteristics include: The body is usually taller than they are wide. The body has four demifacets on each side known as Superior and Inferior costal … Continue reading Thoracic vertebra
Cervical vertebra
There are a total of 7 cervical vertebra, out of which C1 (Atlas) and C2 (Axis) are atypical. Their characteristics include: The body is wider than than it is tall Spinous process is short and forked, except for C7. Vertebral … Continue reading Cervical vertebra
Rib
Ribs are classified as flat bones. They articulate with the thoracic vertebra at the transverse facet and superior+inferior costal facets of the vertebra body posteriorly and with the sternum anteriorly. The seven pairs of ribs that connect via costal cartilage … Continue reading Rib
Kit Ng, Ph.D. 