internal hernia


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
Related to internal hernia: external hernia

in·ter·nal her·ni·a

protrusion of an intraperitoneal viscus into a compartment or under a constricting band within the abdominal cavity.

internal hernia

a protrusion of an intraperitoneal viscus into a recess or compartment within the peritoneal cavity.

internal hernia

A hernia that occurs within the abdominal cavity. It may be intraperitoneal or retroperitoneal.
See also: hernia

internal

situated or occurring within or on the inside; in anatomy, many structures formerly called internal are now termed medial.

internal abdominal abscess
see retroperitoneal abscess.
internal carotid artery arteritis
parasitic arteritis of the external carotid artery as it courses around the edge of the guttural pouch may lead to copious nasal bleeding in horses when the artery ruptures.
internal elastic membrane
a condensation of elastic fibers separating the tunica intima from the tunica media.
internal environment
within the animal; includes blood pressure, circulating blood volume, tissue fluid volume, blood sugar level, tidal air volume, glomerular filtration rate.
internal fixation
immobilization of fractured bones by internal appliances as distinct from casts or external fixation. Includes intramedullary pins which run the length of the medullary cavity, transfixing pins that penetrate across the medullary cavity and are maintained in position by external bars or casts, and compression plating based on the use of special screws and plates.
internal hernia
see hernia.
internal inguinal ring
see abdominal ring (internal).
internal layer
unshelled eggs are free in the peritoneal cavity, thought to have been delivered there by reverse peristalsis in the oviduct.
internal laying
eggs are deposited in the peritoneal cavity and become walled off.
internal limiting membrane
a persistent fibrillar condensation of the vitreous body of the eye; it covers the retina and ciliary body.
internal parasitic mites
poultry cutaneous mites in a number of families are found in the trachea, air sacs and subcutaneous tissues. Includes Cytodites, Epidermoptes, Laminosioptes, Pneumonyssus, Rivoltsia and Sternastoma spp.
internal rate of return
the interest rate needed to discount future income in order to equate it with the present investment in a program.
internal repeat
repetitive base sequences within DNA which may be inverted (indirect) or non-inverted (direct).
internal root sheath
connective tissue sheath around the hair follicle; this part of the sheath extends only to the opening of sebaceous glands into the follicle. See also root sheath cuticle.
turkey internal hemorrhage
see dissecting aneurysm.
internal vomiting
any reflux of intestinal contents which does not reach the mouth, e.g. abomasal reflux into the rumenoreticulum.
References in periodicals archive ?
Internal hernia after laparoscopic Roux-en-Y bypass for morbid obesity: a continuous challenge in bariatric surgery.
Internal hernia after laparoscopic-assited proximal gastrectomy with jejunal interposition for gastric cancer: a case report.
Internal hernias through the foramen of Winslow are extremely rare, and the diagnosis can easily be missed or delayed, leading to the necessity for bowel resection and a high mortality rate.
Internal hernias after laparoscopic Roux-en-Y gastric bypass: incidence, treatment and prevention.
Though currently there are no specific investigations to rule out internal hernias, due to recent advances in CT (8,9,10,11) and study of the various cases, we see the characteristic findings of the radial distribution of the mesentery which represents the convergence of the mesenteric vessels and the localized small intestine over the colon.
It should be done and analyzed by an experienced radiologist to increase the accuracy of internal hernia diagnosis.
Complications that may result from the surgery, which include nutritional deficiency, leaking, internal hernias, gall stones, bleeding and even death, leave some wary of the procedure.
These can be internal hernias, particularly through the mesocolic defect created during the surgery (Figure 7), and ventral hernias, often through the incision sites.
Gastric bypass can lead to strictures, anastomotic leaks, or internal hernias, but adjustable gastric banding can lead to GI reflux, port erosions, and band slippage or breaking, among other complications.
There were no internal hernias and the gall bladder and common bile duct were normal.
Most of the cases reported in literature are internal hernias through the Winslow foramen (1).