Cited by 43Comparative Animal Anatomy StudiesAnatomy and Medical TechnologyMarine animal studies overview

The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.

Anatomy and three‐dimensional reconstructions of the brain of the white whale (Delphinapterus leucas) from magnetic resonance images

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Abstract

Magnetic resonance imaging offers a means of observing the internal structure of the brain where traditional procedures of embedding, sectioning, staining, mounting, and microscopic examination of thousands of sections are not practical. Furthermore, internal structures can be analyzed in their precise quantitative spatial interrelationships, which is difficult to accomplish after the spatial distortions often accompanying histological processing. For these reasons, magnetic resonance imaging makes specimens that were traditionally difficult to analyze, more accessible. In the present study, images of the brain of a white whale (Beluga) Delphinapterus leucas were scanned in the coronal plane at 119 antero‐posterior levels. From these scans, a computer‐generated three‐dimensional model was constructed using the programs VoxelView and VoxelMath (Vital Images, Inc.). This model, wherein details of internal and external morphology are represented in three‐dimensional space, was then resectioned in orthogonal planes to produce corresponding series of “virtual” sections in the horizontal and sagittal planes. Sections in all three planes display the sizes and positions of such structures as the corpus callosum, internal capsule, cerebral peduncles, cerebral ventricles, certain thalamic nuclear groups, caudate nucleus, ventral striatum, pontine nuclei, cerebellar cortex and white matter, and all cerebral cortical sulci and gyri. Anat Rec 262:429–439, 2001. © 2001 Wiley‐Liss, Inc.

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  • Beluga whales have large complex brains.

    “Beluga whales are members of the family Monodontidae and like the other mammalian species that demonstrate the capacity for MSR, have large complex brains [19,20] and live in complex societies with a fission-fusion social structure [21–23].”

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Research works printed but not linked: 4

  1. Glezer II, 1995, Cytoarchitectonics and immunocytochemistry of the inferior colliculus of midbrains in cetaceans, FASEB J, 9, A247
  2. Oelschlager HA, 1985, Functional morphology in vertebrates, 695
  3. Ridgway SH, 1986, Dolphin cognition and behavior: a comparative approach, 31
  4. Ridgway SH, 1984, Relative brain sizes and cortical surface areas in odontocetes, Acta Zool Fennica, 172, 149

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Metadata

Authors
Marino, L., Murphy, T. L., Deweerd, A. L., Morris, J. A., Fobbs, A. J., Humblot, N., Ridgway, S. H., & Johnson, J. I.
Affiliations
  • Emory University (US)
  • Michigan State University (US)
  • Armed Forces Institute of Pathology (US)
Corresponding author
Marino, Lori
Venue
The Anatomical Record
Publisher
Wiley
Published
2001-03-02
Volume
262
Issue
4
Pages
429-439
ISSN
  • 0003-276X (ISSN-L)
  • 1097-0185
OpenAlex
W2045171593
Cited by
43
References
32
Citations by year
2026: 2 · 2025: 2 · 2024: 1 · 2020: 1 · 2019: 2 · 2018: 1 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 3 · 2013: 1 · 2012: 2
FWCI
3.57
Type
journal article
Language
en
Open access
Locations
  • The Anatomical Record (publishedVersion)
  • PubMed (publishedVersion)
  • WBI Studies Repository (submittedVersion)
Funders
  • Emory University
  • Michigan State University
  • College of Engineering, Michigan State University
  • University of California, San Diego
Topics
  • Health Sciences › Medicine › Anatomy › Comparative Animal Anatomy Studies
  • Physical Sciences › Engineering › Biomedical Engineering › Anatomy and Medical Technology
  • Physical Sciences › Environmental Science › Ecology › Marine animal studies overview
Keywords
beluga whale, neuroanatomy, 3D reconstruction, virtual sections, magnetic resonance imaging, corpus callosum, brain ventricles, cerebral peduncle, thalamic nuclei, caudate nucleus, ventral striatum, pontine nuclei, cerebellar white matter, cetacean neuroanatomy
MeSH terms
Animals, Brain, Computer Simulation, Biological Evolution, Magnetic Resonance Imaging, Models, Anatomic, Whales

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