A perforation is a small hole in a thin material or web. There is usually more than one perforation in an organized fashion, where all of the holes collectively...

Gastrointestinal perforation, also known as gastrointestinal rupture, is a hole in the wall of the gastrointestinal tract. The gastrointestinal tract...

Loop perforation is an approximate computing technique that allows to regularly skip some iterations of a loop. It relies on one parameter: the perforation...

Look up perforation in Wiktionary, the free dictionary. A perforation is a small hole in a thin material or web. Perforation may also refer to: A leaf...

A perforated eardrum (tympanic membrane perforation) is a prick in the eardrum. It can be caused by infection (otitis media), trauma, overpressure (loud...

A nasal septum perforation is a medical condition in which the nasal septum, the bony/cartilaginous wall dividing the nasal cavities, develops a hole...

Film perforations, also known as perfs and sprocket holes, are the holes placed in the film stock during manufacturing and used for transporting (by sprockets...

Corneal perforation is an anomaly in the cornea resulting from damage to the corneal surface. A corneal perforation means that the cornea has been penetrated...

esophageal perforations, usually due to medical instrumentation such as an endoscopy or paraesophageal surgery. The 10% of esophageal perforations caused...

Organ perforation is a complete penetration of the wall of a hollow organ in the body, such as the gastrointestinal tract in the case of gastrointestinal...

Uterine perforation is a potential complication of any intrauterine procedure. It may be associated with injury to surrounding blood vessels or viscera...

include shock and acute respiratory distress syndrome. Causes include perforation of the intestinal tract, pancreatitis, pelvic inflammatory disease, stomach...

The hair perforation test, also known as an in vitro hair perforation test, is a laboratory test used to help distinguish the isolates of dermatophytes...

terminology, perforation gauge has two meanings: As a term for classification. The "perforation gauge" of a stamp specifies the number of perforation holes that...

made easily detachable from each other. Methods of separation include: perforation: cutting rows and columns of small holes rouletting: small horizontal...

Stercoral perforation is the perforation or rupture of the intestine's walls by its internal contents, such as hardened feces or foreign objects. Hardened...

exposure length on 35 mm for movies ("single-frame" format) is four perforations per frame along both edges, which results in 16 frames per foot of film...

administrator of the Panthéon, who called the police. La Mexicaine De Perforation (The Mexican Consolidated Drilling Authority) is another subdivision...

A perforation in the context of oil wells refers to a hole punched in the casing or liner of an oil well to connect it to the reservoir. It creates a...

movie film examples Black-and-white reversal silent home movie on double-perforation film stock Eastman Kodak color movie from Warsaw dated 1939 Eastman Kodak...

right lower quadrant of the abdomen caused by a duodenal ulcer with perforation through the retroperitoneum. It is named after Rudolph Valentino, an...

bridges the gap between the eardrum and the other ossicles. Rupture or perforation of the eardrum can lead to conductive hearing loss. Collapse or retraction...

at the perforation (leaving a slight serration), and sheets also have edges with punched holes, which also can be removed at the perforation (one typical...

including piercings such as anal, guiche, and pubic that do not involve perforation of genitalia. Genital piercings can be done regardless of sex, with various...

value. Complications such as abscess formation, fistula formation, and perforation of the colon may require surgery. The disease is common in the Western...

ulcer can be grouped into a stercoral perforation which involves a number of different things that cause perforation of the intestine wall. The first symptom...

depending on the species and can even vary greatly within a given species. Perforation is caused by sections of leaf ceasing cell growth or by dying during...

technique that is used to close duodenal perforations. A piece of omentum is used to cover the perforation. This patch is typically used for holes with...

nasal vaccines such as live attenuated influenza vaccine. A nasal septum perforation is a medical condition in which the nasal septum, the bony/cartilaginous...

Hinchey Classification is used to describe perforations of the colon due to diverticulitis. The classification was developed by Dr. E John Hinchey (1934–present)...