Clavicle
In human anatomy, the clavicle or collarbone is a long bone that serves as a strut between the shoulder blade and the sternum or breastbone. There are two clavicles, one…
Mandible
The mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the face.It forms the lower jaw and holds the lower teeth in place. The mandible sits…
Altas
In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine.The atlas is the topmost vertebra and with the axis forms the joint connecting the skull…
Cranium
Surrounding the brain is a region of the skull known as the cranium. In this region we have eight cranial bones: Frontal bone:The frontal bone is made up of three parts.…
Skull
There are 22 bones in the skull. Including the hyoid and the bones of the middle ear, the head contains 29 bones.The skull is a bony structure that forms of…
Tonsils
Tonsils are clusters of lymphatic tissue just under the mucous membranes that line the nose, mouth, and throat (pharynx). There are three groups of tonsils. The pharyngeal tonsils are located…
Rectum and Anus
The rectum continues from the sigmoid colon to the anal canal and has a thick muscular layer. It follows the curvature of the sacrum and is firmly attached to it…
Large Intestine
The large intestine is larger in diameter than the small intestine. It begins at the ileocecal junction, where the ileum enters the large intestine, and ends at the anus. The…
Small Intestine
The small intestine extends from the pyloric sphincter to the ileocecal valve, where it empties into the large intestine. The small intestine finishes the process of digestion, absorbs the nutrients,…
Stomach Emptying
Relaxation of the pyloric sphincter allows chyme to pass from the stomach into the small intestine. The rate of which this occurs depends on the nature of the chyme and…