Ampoule (Ampulla, Pl. Ampullae)

Ampulla - an enlargement or expansion at the end of a tube or channel. The semicircular canals of the inner ear expand into ampullae at the point where they form the vestibule. The ampulla of Vater is the dilated portion of the common bile duct where it joins the pancreatic duct.



Ampoule (Ampulla, Pl. Ampullae) is an enlargement or expansion at the end of a tube or channel. Such structures are found in different parts of the body and perform different functions.

One example of ampullae is the semicircular canals of the inner ear. At the point where they form the vestibule, they expand into ampullae. These ampoules contain receptor cells that are sensitive to changes in head position and are involved in maintaining balance.

Another example of an ampoule is the ampulla of Vater. It is the dilated portion of the common bile duct where it joins the pancreatic duct. The ampulla of Vater plays an important role in the digestion process, since through it bile and pancreatic juice are excreted into the duodenum.

Ampullae are also found in other parts of the body, such as the bladder and rectum. Bladder ampullae are enlarged areas of the bladder wall that can stretch to hold more urine. The ampulla of the rectum, or ampulla of Riolan, is located at the junction of the rectum and colon and acts as a reservoir for feces before defecation.

Thus, ampoules are important structures in the body, performing various functions in various organs and systems. The study of ampoules helps to better understand the anatomy and physiology of the body and can be useful in the diagnosis and treatment of various diseases.



Ampoule (Ampulla, Pl. Ampullae): Extensions and their role in the body

In anatomy and biology, the term ampulla is used to denote an enlargement or expansion at the end of a tube or canal. Ampullae play important roles in various body systems, and their functions may vary depending on the context. In this article, we will look at two examples of ampullae in the human body: the ampullae of the inner ear and the ampullae of Vater.

The ampullae of the inner ear are semicircular canals that widen at the point where they form the vestibule. The inner ear plays an important role in maintaining balance and is involved in the process of auditory perception. Inside the ampoules are receptor cells called hair cells that respond to the movement of fluid in the channels. When the head turns or moves, the fluid inside the ampullae begins to move, causing the hair cells to dislodge. This is perceived as information about the position and movement of the head, which is then transmitted to the brain for processing. Thus, the ampullae of the inner ear play a key role in maintaining balance and coordination of movements.

The ampulla of Vater is the dilated portion of the common bile duct at its junction with the pancreatic duct. The bile duct and pancreatic duct serve to transport bile and pancreatic juices, respectively, which play an important role in the digestion process. The ampulla of Vater performs the function of regulating and controlling the release of bile and pancreatic juices into the duodenum, where they participate in the process of breakdown and digestion of food. The expansion of the ampulla of Vater allows the accumulation and regulation of the flow of fluids before they exit into the intestine.

In conclusion, ampoules play an important role in the body by ensuring the functionality of various systems. The ampullae of the inner ear help maintain balance and coordination of movements, and the ampulla of Vater regulates the release of bile and pancreatic juices into the digestive system. Understanding the role of ampoules allows us to better understand the complexity and uniqueness of the human body.