Absent nose

A nose is a protuberance in vertebrates that houses the nostrils, or nares, which receive and expel air for respiration alongside the mouth. Behind the nose are the olfactory mucosa and the sinuses. [Source: Wikipedia ]

May Be Caused by

Aarskog syndrome

Achondrogenesis type 2

Achondroplasia

Acrodysostosis

Acromesomelic dysplasia

Apert syndrome

Bartsocas-Papas syndrome

Binder syndrome

Brachmann-de Lange syndrome

Craniometaphyseal dysplasia

Familial progressive nasal alar collapse

Femoral hypoplasia-unusual facies syndrome

Fetal akinesia sequence

Fetal alcohol syndrome

Fetal hydantoin syndrome

Fetal trimethadione syndrome

Fetal valproate syndrome

Geleophysic dysplasia

Hallermann-Streiff syndrome

Kenny-Caffey dysplasia type 1

Lethal micromelic-facial bones sclerosis dysplasia

Lethal osteosclerotic skeletal dysplasia

Marshall syndrome

Marshall-Smith syndrome

MCA syndrome

Miller-Dieker syndrome

Morquio syndrome

Mucolipidosis type 2

Oculo-dento-osseous dysplasia

Opitz trigonocephaly syndrome

Osteogenesis imperfecta type 2

Otopalatodigital syndrome type 1

Pallister-Hall syndrome

Pallister-Killian syndrome

Pfeiffer syndrome

Robinow syndrome

Rothmund-Thomson syndrome

Smith-Lemli-Opitz syndrome

Treacher Collins syndrome