Middle deft upper lip due to failure of fusion b/w

Defect Caused by Cleft upper lip Failure of fusion between maxillary process and medial naral process Medial deft upper lip Failure of fusion between maxillay process and medial and lateral naral process Oblique facial deft Failure of fusion between maxillary process and medial lateral naral process Lower lip deft Failure of fusion of two mandibular process