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Microtia is a congenital deformity where the auricle (external ear) is underdeveloped. A completely undeveloped auricle is referred to as anotia. Because microtia and anotia have the same origin, it can be referred to as microtia-anotia. [1] Microtia can be unilateral (one side only) or bilateral (affecting both sides).
Hepatic microvascular dysplasia (HMD or MVD) or portal atresia is a disorder where mixing of venous blood and arterial blood in the liver occurs at the microscopic level. It occurs most commonly in certain dog breeds such as the Cairn and Yorkshire terriers although any dog breed may be at risk. [1] [2] [3] This disease may also be found in cats.
The isolated cause, a cause not associated with a syndrome, of anotia or microtia is not known, though it is believed to be of genetic basis. Developmentally, anotia/microtia occurs when certain tissues associated with the auricle do not develop. This rare defect may occur as part of a syndrome or as an isolated abnormality.
Esophageal atresia with or without tracheoesophageal fistula (TEF) is the most common birth defect of the esophagus. The diagnosis of EA usually occurs within the first 24 hours of life, but it can be made antenatally or later. [8] Although environmental effects and genetic factors have been documented, the causes of EA remain largely unknown. [9]
Side effects in dogs and cats include hypersalivation, diarrhea, loss of appetite, and vomiting. [12] [16] Eight percent of dogs taking maropitant at doses meant to prevent motion sickness vomited right after, likely due to the local effects maropitant had on the gastrointestinal tract. Small amounts of food beforehand can prevent such post ...
Duodenal atresia is the congenital absence or complete closure of a portion of the lumen of the duodenum. It causes increased levels of amniotic fluid during pregnancy ( polyhydramnios ) and intestinal obstruction in newborn babies.
Biliary atresia, also known as extrahepatic ductopenia and progressive obliterative cholangiopathy, is a childhood disease of the liver in which one or more bile ...
Incidence of congenital malformations associated with tracheal agenesis. Results were obtained from a total of 32 individual case studies. [11]The classic in-utero symptoms of tracheal agenesis are an absence of the trachea leading to congenital high airway obstruction syndrome, [12] [13] lung distention, polyhydramnios, heart malformations, heart displacement and hydrops fetalis.