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Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Holoprosencephaly | Olfactory Aplasia | 1A2 Holoprosencephaly, 1 ACA & Olfactory Aplasia (Case 1)A
This brain shows absence of the olfactory bulbs and tracts, considered the mildest form of holoprosencephaly. In addition the anterior cerebral arteries are represented by a single vessel (arrow)