Palatoglossal arch
Encyclopedia
The palatoglossal arch on either side runs downward, lateralward, and forward to the side of the base of the tongue
, and is formed by the projection of the glossopalatine muscle with its covering mucous membrane
. It is the anterior border of isthmus faucium and marks the border between the mouth
and the pharynx
.
Tongue
The tongue is a muscular hydrostat on the floors of the mouths of most vertebrates which manipulates food for mastication. It is the primary organ of taste , as much of the upper surface of the tongue is covered in papillae and taste buds. It is sensitive and kept moist by saliva, and is richly...
, and is formed by the projection of the glossopalatine muscle with its covering mucous membrane
Mucous membrane
The mucous membranes are linings of mostly endodermal origin, covered in epithelium, which are involved in absorption and secretion. They line cavities that are exposed to the external environment and internal organs...
. It is the anterior border of isthmus faucium and marks the border between the mouth
Mouth
The mouth is the first portion of the alimentary canal that receives food andsaliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth....
and the pharynx
Pharynx
The human pharynx is the part of the throat situated immediately posterior to the mouth and nasal cavity, and anterior to the esophagus and larynx. The human pharynx is conventionally divided into three sections: the nasopharynx , the oropharynx , and the laryngopharynx...
.