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Related Concept Videos

Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
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Cranial Bones: Superior and Posterior View01:14

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The superior view of the cranium shows the frontal and paired parietal bones.
The frontal bone is the single bone that forms the forehead. At its anterior midline, between the eyebrows, there is a slight depression called the glabella. The frontal bone also forms the supraorbital margin of the orbit. Near the middle of this margin is the supraorbital foramen, the opening that provides passage for a sensory nerve to the forehead. The frontal bone is thickened just above each supraorbital margin,...
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Overview of the Skull01:08

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The cranium (skull) is the skeletal structure of the head that supports the face and protects the brain. It is subdivided into the facial bones and the brain case, or cranial vault. The facial bones underlie the facial structures, form the nasal cavity, enclose the eyeballs, and support the teeth of the upper and lower jaws.
The cranial vault surrounds and protects the brain and houses the middle and inner ear structures. This cavity is bounded superiorly by the rounded top of the skull, which...
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Analysis of Craniomaxillofacial Malformations in Mice Using Three-dimensional Microcomputed Tomography
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Rabbit Skull Shape: Three-Dimensional Geometric Morphometric Analysis.

İsmail Demircioğlu1, Yasin Demiraslan2, Ali Koçyiğit3

  • 1Department of Anatomy, Faculty of Veterinary Medicine, Harran University, Şanlıurfa, Türkiye.

Veterinary Medicine and Science
|August 30, 2025
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Summary
This summary is machine-generated.

This study analyzed rabbit skulls using 3D geometric morphometrics, finding significant sex-based shape differences. These findings suggest 3D morphometry can aid in rabbit sex determination.

Keywords:
3Dgeometric morphometryrabbitskull shape

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Area of Science:

  • Comparative anatomy
  • Morphometrics
  • Zoology

Background:

  • Understanding cranial morphology is crucial in zoology and comparative anatomy.
  • Sex-based differences in skeletal structures can provide insights into evolutionary and developmental processes.

Purpose of the Study:

  • To analyze the three-dimensional (3D) cranial shape of New Zealand rabbits.
  • To determine the influence of sex on rabbit cranial shape variations.

Main Methods:

  • Utilized 3D surface scanning to create rabbit cranium models.
  • Applied geometric morphometrics, including Procrustes superimposition and principal component analysis (PCA).
  • Performed Procrustes ANOVA and discriminant function analysis to assess size and shape dimorphism.

Main Results:

  • Principal component analysis (PCA) showed significant shape variations, primarily in the temporal region, medial eye angle, and incisive bone.
  • Statistical analysis revealed significant differences in cranial shape between male and female rabbits.
  • No significant differences in cranial size were detected between the sexes.

Conclusions:

  • Gender significantly influences cranial shape in New Zealand rabbits.
  • 3D geometric morphometry is a viable method for distinguishing sex in rabbit craniums.
  • This technique has potential applications in forensic science and wildlife management.