Open Stax – CNX

OpenStax believes that everyone has something to learn, and everyone has something to teach. Frustrated by the limitations of traditional textbooks and courses, Dr. Richard Baraniuk founded OpenStax (then Connexions) in 1999 at Rice University to provide authors and...

Axial Skeleton

The skeleton is subdivided into two major divisions—the axial and appendicular. The axial skeleton forms the vertical, central axis of the body and includes all bones of the head, neck, chest, and back (Picture 1). It serves to protect the brain, spinal cord, heart,...

Brain Case – Cranial Vault

The brain case contains and protects the brain. The interior space that is almost completely occupied by the brain is called the cranial cavity. This cavity is bounded superiorly by the rounded top of the skull, which is called the calvaria (skullcap), and the lateral...

Bone Atlas

This atlas describes all human bones with beautiful images and detailed descriptions. You can use it as a quick anatomy reference or, if you need to test all muscles moving a specific bone (composing a painful joint or in a specific area), here you can find easily all...

The Skull

The cranium (skull) is the skeletal structure of the head that supports the face and protects the brain. It is subdivided in 2 parts (see picture 1): [[FacialBones]]: The facial bones underlie the facial structures, form the nasal cavity, enclose the eyeballs, and...