Common Congenital Defects of Domesticated Animals

Question 1

Absence of a limb or limbs

Answer 1

Amelia

Question 2

Persistent flexure or contracture of a joint or joints

Answer 2

Arthrogryposis

Question 3

Absence or closure of a normal body opening or passage

Answer 3

Atresia

Question 4

Abnormally short lower jaw

Answer 4

Brachygnathia

Question 5

Curved jaw

Answer 5

Campylognathia

Question 6

Abnormal division of the lip (harelip)

Answer 6

Cheiloschisis

Question 7

Failure of the testis to descend into the scrotum

Answer 7

Cryptorchidism

Question 8

Absence of all or part of the distal half of a limb

Answer 8

Hemimelia

Question 9

Abnormal protrusion of an organ or portion of an organ through a defect or natural opening

Answer 9

Hernia

Question 10

Virtual absence of cerebral hemispheres and replacement by CSF

Answer 10

Hydranencephaly

Question 11

Abnormal fluid in the cranial vault accompanied by enlargement of the head

Answer 11

Hydrocephalus

Question 12

Abnormally increased convexity of the thoracic spine

Answer 12

Kyphosis

Question 13

Abnormally small eye

Answer 13

Microophthalmia

Question 14

Fissure of the palate (cleft palate)

Answer 14

Palatoschisis

Question 15

Developmental anomaly characterized by a greatly deformed body or trunk

Answer 15

Perosomus

Question 16

Supernumerary digits

Answer 16

Polydactyly

Question 17

The presence of cavities in the brain developed during fetal life

Answer 17

Porencephaly

Question 18

Marked projection of the lower jaw

Answer 18

Prognathia

Question 19

Developmental anomaly characterized by fissure of the abdominal wall

Answer 19

Schistosomia

Question 20

Lateral deviation of the spinal axis

Answer 20

Scoliosis

Question 21

Fusion of the digits

Answer 21

Syndactyly

Question 22

Fissure of the thoracic wall, which may result in herniation of lung tissue

Answer 22

Thoracoschisis