Cassia Stocco dos Santos syndrome is an extremely rare condition present from birth that affects several body systems at the same time. Babies with this ...

Anophthalmia–Megalocornea–Cardiopathy–Skeletal Anomalies (AMCS) syndrome is a multiple congenital anomalies disorder. Babies are born with a pattern of ...

Anophthalmia-megalocornea-cardiopathy-skeletal anomalies syndrome (AMCS) is an extremely rare, multisystem genetic condition present from birth. It combines ...

Microphthalmia means a baby is born with one or both eyes that are abnormally small because eye development was interrupted before birth. It exists on a ...

Fryns microphthalmia syndrome is a very rare genetic condition in which a baby is born with absent eyes (anophthalmia) or very small eyes (microphthalmia) plus ...

Anophthalmia-Plus Syndrome is a very rare multiple congenital anomaly condition in which a baby is born with no eyes (anophthalmia) or very small eyes (severe ...

Kumar–Levick syndrome is an old eponym used in the limb-malformation literature for a family in which several members had striking nail underdevelopment or ...

Anonychia-onychodystrophy with brachydactyly type B and ectrodactyly is a very rare, inherited hand/foot difference. People have missing or severely ...

Anonychia–onychodystrophy syndrome is a very rare, inherited nail-development disorder. In this condition, some or all fingernails and toenails are missing ...

Teebi-Kaurah syndrome is a very rare genetic condition present from birth. The two hallmark features are: (1) total absence of fingernails and toenails (the ...

Anonychia-microcephaly syndrome is a rare, likely genetic condition marked by the complete absence of nails and a small head size from birth, sometimes with ...

Anonychia means missing or very under-developed nails on fingers and toes. It can be present from birth (congenital) or happen later in life (acquired) after ...

Total anodontia of the permanent and deciduous (baby) teeth means a person is born without any natural teeth at all—no primary (baby) teeth and no permanent ...

Oligodontia means being born without six or more permanent teeth (not counting wisdom teeth). It sits on the severe end of the “tooth agenesis” spectrum (few ...

Hypodontia means that one or more teeth never develop. It is a developmental condition—those teeth are absent from birth rather than lost later. Dentists ...

Tooth agenesis means one or more teeth never formed from birth. It ranges from hypodontia (1–5 missing permanent teeth, excluding wisdom teeth), to oligodontia ...

Developmental absence of tooth means one or more teeth never form at all during early development. This is different from teeth that were present and later ...

Complete absence of teeth means a person has no natural teeth at all. The baby teeth never develop, and the adult teeth never develop either. Dentists call ...

Anodontia means a person is born without any teeth at all. It is the most severe form of tooth agenesis, which is a developmental problem where teeth fail to ...

Annular pancreas is a rare birth difference where a ring (or partial ring) of pancreatic tissue grows around the second part of the duodenum (the first part of ...