An oesophageal spring

An interesting oesophageal foreign body: oesophageal trachea.

Force of an actin spring.

Cellular movements are produced by forces. Typically, cytoskeletal proteins such as microtubules and actin filaments generate forces via polymerization or in conjunction with molecular motors. However, the fertilization of a Limulus polyphemus egg involves a third type of actin-based cellular engine--a biological spring. During the acrosome reaction, a 60-microm long coiled and twisted bundle o...

Oesophageal perforation for oesophageal stone.

Oesophageal and gastric gongylonemiasis in a donkey

Members of the genus Gongylonema  are nematodes that commonly infect ruminants, particularly sheep and goats. An 11-year-old donkey mare was referred to the Veterinary Teaching Hospital, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, northeastern Iran, with a history of acute colitis. At post-mortem examination, there were several white to pink zigzag tracks in the muco...

Peptic oesophageal stricture: an age-related problem?

A one year retrospective study of 76 patients with peptic oesophageal stricture was performed. Analysis of results showed a significant age-related risk of developing peptic oesophageal stricture. Possible age-related risk factors are discussed. Pitfalls in diagnosis and management are highlighted and the role of H2 receptor antagonists, antacids and omeprazole are discussed.