Holoprosencéphalie. L'imagerie par résonance magnétique de couleur (IRM) d'un cerveau (violet/rose) avec holoprosencéphalie. Dans cette condition congénitale, une lar

• Contributeur: Science Photo Library / Alamy Banque D'Images
• ID de l’image: 2ADHG7P
• Taille du fichier: 30 MB (1,4 MB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 3000 x 3500 px | 25,4 x 29,6 cm | 10 x 11,7 inches | 300dpi
• Date de la prise de vue: 10 décembre 1999
• Photographe: MEHAU KULYK/SCIENCE PHOTO LIBRARY

Informations supplémentaires

Holoprosencephaly. Coloured magnetic resonance imaging (MRI) scan of a brain (purple/pink) with holoprosencephaly. In this congenital condition, a large abnormal ventricle (fluid-filled cavity, orange) forms where the forebrain would normally be. Two healthy ventricles (yellow/orange) are at lower left and right. People with this deformity often have no olfactory system (smell), as well as defects in the optic nerve, eyes and pituitary gland. A range of facial deformities reflect the severity of the brain defect, as does the degree of mental handicap. The condition is caused by trisomy, the inheritance of a third chromosome, in this case either chromosome 13, 14, 15 or 18.

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