Anatomy and Embryology

, Volume 203, Issue 5, pp 393–402

Magnetic resonance imaging and three-dimensional reconstructions of the brain of a fetal common dolphin, Delphinus delphis

  • L. Marino
  • Timothy L. Murphy
  • Lyad Gozal
  • John I. Johnson
Original Article

DOI: 10.1007/s004290100167

Cite this article as:
Marino, L., Murphy, T., Gozal, L. et al. Anat Embryol (2001) 203: 393. doi:10.1007/s004290100167

Abstract  

To demonstrate the kinds of data that can be obtained non-destructively and non-invasively from preserved museum specimens using modern imaging technology the head region of a whole body fetal specimen of the common dolphin, Delphinus delphis, aged 8–9 months post-conception, was scanned using Magnetic Resonance Imaging (MRI). Series of scans were obtained in coronal, sagittal and horizontal planes. A digital three-dimensional reconstruction of the whole brain was prepared from the coronal series of scans. Sectional areas and three-dimensional volumes were obtained of the cerebral hemispheres and of the brainstem-plus-cerebellum. Neuroanatomical features identified in the scans include the major sulci of the cerebral hemispheres, well-differentiated regions of gray and white matter, the mesencephalic, pontine, and cervical flexures, the ”foreshortened’’ appearance of the forebrain, and the large auditory inferior colliculi. These findings show that numerous features of the fetal common dolphin brain can be visualized and analyzed from MRI scans.

Keywords Neuroanatomy Development Cetacean Odontocete MRI Magnetic Resonance Imaging 

Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • L. Marino
    • 1
  • Timothy L. Murphy
    • 2
  • Lyad Gozal
    • 1
  • John I. Johnson
    • 3
  1. 1.Neuroscience and Behavioral Biology Program, Emory University, Atlanta, Georgia, USA e-mail: lmarino@emory.edu Tel.: +1-404-7277582, Fax: +1-404-7270372GE
  2. 2.Department of Zoology, Michigan State University, East Lansing, Michigan, USAUS
  3. 3.Department of Radiology, Michigan State University, East Lansing, Michigan, USAUS
  4. 4.Neuroscience Program, Michigan State University, East Lansing, Michigan, USAUS

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