Palatoschisis
•Clinical: Milk may drip from the nares of nursing neonate
•Pathology: Secondary aspiration pneumonia
•Pathogenesis: Failure of fusion of embryological midline structures
•Inherited:•Charolais•Hereford
•Toxic causes:
•Griseofulvin
•Veratrum californicum
•Lupine: piperidine alkaloids, including the teratogen ammodendrine
•Cleft palate, torticollis, scoliosis, arthrogryposis
•Infectious etiologies:•BVDV