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protrusion of an internal organ or part of an organ through the wall of a body cavity. The hernia is enclosed by a sac formed by the lining of the cavity. It results from a weakness or rupture in the wall, usually where there is already a natural weakness. A hernia may be present at birth or acquired later in life after heavy strain on the musculature. Structurally weak points, e.g., where various blood vessels, nerves, and ducts enter or leave a body cavity, occur in areas such as the lower abdomen, the diaphragm, and the region around the navel. If the protruding structure is caught in the muscular aperture of the wall, the result is a strangulation of the part, or an incarcerated hernia. Prompt medical attention must be received or loss of blood and eventual gangrene may result. A small hernia usually bulges spontaneously under exercise and strain and recedes into the cavity when the subject relaxes. A truss or external pad held against the weak spot may be used to control a hernia. However, surgery is usually recommended, even for a mild hernia, since it may eventually enlarge.



the protrusion of internal organs or deep tissues from the cavities normally occupied by them into intermuscular tissue or under the skin, without violating the integrity of the integuments. Hernias in man are most frequently abdominal; more rarely, they involve the brain or muscles. Hernias may be classified, according to their origin, as congenital or acquired (for example, postoperative or posttraumatic).

Abdominal hernias are classified, according to the place of exit, as inguinal, femoral, umbilical, hernias of the linea alba and the intersectiones tendineae of the rectus abdominus muscle, sciatic, perineal, and internal (diaphragmatic and omental). Peculiarities of anatomical structure (for example, enlarged inguinal or umbilical rings) and anomalies in the development of the abdominal wall lead to the formation of hernia. When there is a combination of these factors in the region of a weak section or scar of the abdominal wall (the hernial ring), a portion of the parietal peritoneum begins to protrude, forming a hernial sac; afterward the various organs of the abdominal cavity—most often the small intestine and the omentum—may descend into the hernial sac. When organs located in the retroperitoneal space or partly covered by the peritoneum prolapse, the hernial sac is absent. External hernias are diagnosed by the elastic consistency of the protrusion, which is covered by unaltered skin. When the patient is lying down, this hernial protrusion often disappears either independently or upon light pressure, descending into the abdominal cavity. The hernial protrusion gradually enlarges and, sometimes attaining considerable dimensions, may cause discomfort during movement. Organs in the hernial sac and those located immediately under the skin are easily injured. Prolonged presence of organs in the hernial sac leads to the formation of adhesions between the organs themselves or with the hernial sac, which hinders correction of the hernia, and an irreducible hernia is formed—that is, the hernial protrusion does not return to the abdominal cavity when the patient changes position.

A serious complication of hernia is strangulation. During coughing, exertion, or other physical strain intestinal loops may slip into the hernial sac and strangulate in the hernial ring. In such cases attempts to reduce the hernia may lead to serious consequences; these hernias require surgical operation.

The treatment of hernia is surgical only. Trusses support the hernia temporarily, but they do not prevent strangulation. Prolonged wearing of a truss, producing constant pressure on the tissues, leads to their atrophy, subsequent weakening of the abdominal wall, and the development of adhesions. To avoid complications, all hernias should be treated surgically. Physical exercise and the treatment where necessary of chronic cough, constipation, emaciation, or obesity help in the prevention of hernia. It is recommended that pregnant women wear a binder to prevent stretching of the abdominal wall and that the abdomen be massaged after delivery.


Krymov, A. P. Briushnye gryzhi. Kiev, 1950.
Kramarenko, Iu. Iu. Vnutrennie briushnye gryzhi i kishechnaia neprokhodimost’. Moscow, 1956.
Struchkov, V. I. “Printsipial’nye voprosy lecheniia bol’nykh sushchemlennoi gryzhei.” Sovetskaia meditsina, 1958, no. 1.
In animals one finds umbilical, abdominal, intravaginal, scrotal, perineal, and femoral hernias. Congenital hernias are found in the young animal predominantly as a result of the excessive size of the anatomic apertures of adjoining cavities or because of congenital anomalies. Predisposing factors in acquired hernia in animals include the excessive strain on the abdominal prelum accompanying work, suppurative processes, senile atrophy, and excessive fetal pressure. Treatment is surgical.



Abnormal protrusion of an organ or other body part through its containing wall. Also called rupture.


the projection of an organ or part through the lining of the cavity in which it is normally situated, esp the protrusion of intestine through the front wall of the abdominal cavity. It is caused by muscular strain, injury, etc.
References in periodicals archive ?
Her haemangioma was highly oedematous and strangulated, as shown in Figure-1.
When she grabbed my shirt, I felt scared and strangulated her with her shayla.
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In both cases the segment of the strangulated bowel is a content of the hernia sac.
Now we all love the Queen and the strangulated protests from republicans just sound like some petulant little boy stomping his feet and saying he hopes it rains on your birthday party" Jeremy Paxman who used to be a republican "None of us, perhaps not even the Queen herself, is sure what her job is which is why its rituals and routines assume an almost sacred significance" TV historian Dr David Starkey "They are fabulously opinionated, is the best way of putting it.
Strangulated femoral hernias vary significantly as to the contents and pattern, but caecum with or without appendix are rare.
A strangulated hernia has become twisted and can cause pain and vomiting and needs emergency treatment.
KARACHI, July 14 -- Police on Tuesday found strangulated bodies of a couple from their flat in Block 13-D, Gulshan-e-Iqbal.
HARDLY had the ink dried on last week's missive about the mispronunciation of Welsh place names when my ears were battered by a professional actor suffering from a strangulated hernia.
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Out go Loyd Grossman's strangulated vowels and in come the more businesslike - and straight-talking - John Torode and Gregg Wallace.