noun
definition
A small out-pouching of an organ wall such as the large intestine or urinary bladder.
Examples of diverticula in a Sentence
In the majority of the Megascolicidae each sac is provided with one or more diverticula, tubular or oval in form, of a slightly different histological character in the lining epithelium, and in them is invariably lodged the sperm.
The oesophagus is often furnished with glandular diverticula, the "glands of Morren," which are often of complex structure through the folding of their walls.
The alimentary canal is simple and a gizzard or oesophageal diverticula rarely developed.
Spermatheca rarely with diverticula; sperm ducts as a rule occupying two segments only, usually opening by means of an atrium.
These diverticula extend usually one into each of the dorsal papillae or " cerata " when these are present.
The posterior portion of the intestine is specially characterized by the appearance of the intestinal diverticula horizontally and symmetrically placed right and left and opposite to each other.
As the animals become adult, diverticula arise on the tubes of these organs, which develop either spermatozoa or ova.
Each opens in a vas deferens which bears three diverticula or vesiculae seminales, and three pairs of cement glands also are found which pour their secretions through a duct into the vasa deferentia.
There is further a great tendency for the endothelial cells to form muscles, and this is especially pronounced in the small arm-sinus, where a conspicuous muscle is built up. The mantle-sinuses which form the chief spaces in the mantle are diverticula of the main coelomic cavity.
The dorsal branch sends a blind twig into each of the diverticula of the dorsal mantle-sinus, the ventral branch supplies the nephridia and neighbouring parts before reaching the ventral lobe of the mantle.
The functions of these gastric diverticula have never been carefully investigated.
Ischio-rectal fossa Tuberosity of ischium Gluteus maximus The vesiculae seminales are sac-like diverticula, one on each side, from the lower part of the ampullae of the vasa deferentia.
The external duct of this gland is often dilated into a bladder, and may sometimes send out diverticula, forming a complex system of sinuses ramifying through the body.
The oviducts may have diverticula serving as receptacles for the spermatozoa (in cases where internal impregnation takes place), and may be provided with glands secreting envelopes or shells around the eggs.
The former leads to a protrusible pharynx (B), from which the oesophagus opens into a wide intestinal chamber with branching lateral diverticula.
From the circular canal two sac-like diverticula called the From Cambridge Natural History, vol.
The two most common congenital bladder abnormalities are exstrophy and congenital diverticula.
Bladder diverticula may be multiple, and they often occur at the ureterovesical junction (the entrance of the upper urinary system into the bladder).
Diverticula are more common and less serious.
Diverticula, particularly if it causes urine reflux, may lead to chronic infection and its subsequent consequences.
Diverticula are not visible and will be detected only if they cause trouble.
Parents of children with bladder diverticula should be aware of prevention and treatment practices for urinary tract infections.
Diverticulum-Plural, diverticula; an outpouching in a tubular organ caused when the inner, lining layer bulges out (herniates) through the outer, muscular layer.
Diverticula are present most often in the colon (large intestine), but are also found in the bladder.
The most frequent causes of large-bowel obstruction are tumors, volvulus, or small pouches that form on the intestinal wall (diverticula) that can fill with waste and expand to block the intestines.
Diverticula are small pouches which form in your intestines in response to pressure in your colon.
Diverticulosis is the term used to describe the presence of diverticula in the digestive system.
In diverticulosis, small pouches known as diverticula form in the lining of the lower intestine.
Some physicians recommend avoidance of seeds or popcorn out of fear these foods may become caught in the diverticula, but the NIH states there is no scientific evidence to indicate these items can cause a problem.
The NIH reports there is some evidence that straining to pass a bowel movement can contribute to the formation of diverticula, and that fecal matter sitting in the colon instead of passing through may contribute to inflammation.