Subesophageal ganglion
Encyclopedia
The subesophageal ganglion of insects is composed of three pairs of fused ganglia. It controls the mouthparts
, the salivary glands and certain muscles.
The subesophageal ganglion sits beneath the esophagus
. It is connected to the supraesophageal ganglion
, which sits above the esophagus.
Mouthparts
The mouthparts of arthropods have evolved into a number of forms, each adapted to a different style or mode of feeding. Most mouthparts represent modified, paired appendages, which in ancestral forms would have appeared more like legs than mouthparts. In general, arthropods have mouthparts for...
, the salivary glands and certain muscles.
Esophagus
The esophagus is an organ in vertebrates which consists of a muscular tube through which food passes from the pharynx to the stomach. During swallowing, food passes from the mouth through the pharynx into the esophagus and travels via peristalsis to the stomach...
. It is connected to the supraesophageal ganglion
Supraesophageal ganglion
The supraesophageal ganglion is the first part of the insect and fish central nervous system. It receives and processes information from the first, second, and third metameres. The supraesophageal ganglion lies dorsal to the esophagus and consists of three parts: the protocerebrum , the...
, which sits above the esophagus.