by admin | Jun 28, 2022 | Group
The bodies of the thoracic vertebrae are larger than those of cervical vertebrae (Picture 1). The characteristic feature for a typical midthoracic vertebra is the spinous process, which is long and has a pronounced downward angle that causes it to overlap the next...
by admin | Jun 28, 2022 | Group
Typical cervical vertebrae, such as C4 or C5, have several characteristic features that differentiate them from thoracic or lumbar vertebrae (Picture 1) (See [[Vertebra]] for the general common features). Cervical vertebrae have a small body, reflecting the fact that...
by admin | Jun 28, 2022 | Group
The facial bones of the skull form the upper and lower jaws, the nose, nasal cavity and nasal septum, and the orbit. The facial bones include 14 bones, with six paired bones and two unpaired bones: The paired bones are the maxilla, palatine, zygomatic, nasal,...
by admin | Jun 27, 2022 | Author
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...
by admin | Jun 27, 2022 | Group
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,...
