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Absence of one paire the rib

DA: 280

Developmental anomaly information

Definition: It is more common to see 11 pairs in the absence of associated anomalies; this situation occurs in 5%–8% of normal individuals. Eleven pairs of ribs occur in one-third of patients with trisomy 21 syndrome , as well as in association with cleidocranial dysplasia and campomelic dysplasia.


  • agenesis of the 12th rib
  • Abnormal number of ribs

Developmental anomaly parent: (empty)

Topology: Human body > Thorax

System: Human body > musculoskeletal system. > Bones

Developmental anomaly category: Agenesis

Case records MDB19, MDB56, MDB227, MDB483, MDB269, MDB326, MDB273
Observed in MDB cases
Observed in combinaisons (MDB)
Observed in malformative diseases (MDB)
Associated genes in profile
Associated genes in malformative diseases
Associated chromosomal diseases
Associated signaling pathways
Associated developmental anomalies

Here is the list of developmental anomalies associated with this developmental anomaly, based on the cases' information :

Last modified: 2009-01-06 21:29:28 by farideh

Created: 2008-05-27 02:00:00 by phsaw

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