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Veterinary

Some Common Congenital Defects of Domesticated Animals

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veterinary

Defect	Description
Amelia	Absence of a limb or limbs
Arthrogryposis	Persistent flexure or contracture of a joint or joints
Atresia	Absence or closure of a normal body opening or passage
Brachygnathism	Abnormally short lower jaw
Campylognathia	Curved jaw
Cheiloschisis	Abnormal division of the lip (cleft lip)
Cryptorchidism	Failure of one or both testes to descend into the scrotum
Hemimelia	Absence of all or part of the distal half of a limb
Hernia	Abnormal protrusion of an organ or portion of an organ through a defect or natural opening
Hydranencephaly	Virtual absence of cerebral hemispheres and replacement by CSF
Hydrocephalus	Abnormal fluid in the cranial vault accompanied by enlargement of the head
Kyphosis	Abnormally increased convexity of the thoracic spine
Microphthalmia	Abnormally small eye
Palatoschisis	Fissure of the palate (cleft palate)
Perosomus	Developmental anomaly characterized by a greatly deformed body or trunk
Polydactyly	Presence of supernumerary digits
Porencephaly	Presence of cavities in the brain developed during fetal life
Prognathism	Marked projection of the lower jaw
Schistosomia	Developmental anomaly characterized by fissure of the abdominal wall
Scoliosis	Lateral deviation of the spinal axis
Syndactyly	Fusion of the digits
Thoracoschisis	Fissure of the thoracic wall, which can result in herniation of lung tissue