Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Computed Tomography01:10

Computed Tomography

7.9K
Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
7.9K
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

251
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
251
Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

2.8K
Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
2.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Accuracy of multiplanar reconstruction and parasagittal images in evaluating the relationship between impacted mandibular third molars and the inferior alveolar canal: a retrospective cohort study.

Oral surgery, oral medicine, oral pathology and oral radiology·2026
Same author

Demoralization and Associated Factors in Palliative Oncology Outpatients: A Cross-Sectional Study.

Psycho-oncology·2026
Same author

DUST: A framework for quantifying dugong-seagrass interactions using low-cost UAVs.

Marine environmental research·2026
Same author

Microplastics in a mosaic of Marine Protected Areas from southeastern Brazil: An assessment based on filter-feeding bivalves.

Marine pollution bulletin·2026
Same author

Preoperative Gastric Ultrasound in Anesthesia.

A&A practice·2025
Same author

Ecografía Gástrica Preoperatoria en Anestesia.

A&A practice·2025

Related Experiment Video

Updated: Jan 8, 2026

Microfocus X-ray CT microCT Imaging of Actinia equina Cnidaria, Harmothoe sp. Annelida, and Xenoturbella japonica Xenacoelomorpha
08:09

Microfocus X-ray CT microCT Imaging of Actinia equina Cnidaria, Harmothoe sp. Annelida, and Xenoturbella japonica Xenacoelomorpha

Published on: August 6, 2019

9.4K

Optimizing Computed Tomography (CT) for Structurally Complex Organisms: A Case Study of Gastropod Shell Features.

Andreza Caroline Caiero1, Marilia Nagata Ragagnin1, Cláudio Campi de Castro2

  • 1Biological Oceanography Department, Oceanographic Institute University of São Paulo São Paulo Brazil.

Ecology and Evolution
|December 22, 2025
PubMed
Summary

An optimized computed tomography (OCT) protocol offers a reliable, nondestructive method for estimating gastropod shell volume, crucial for hermit crab ecology studies. This new OCT method provides accurate measurements comparable to traditional techniques across various shell types.

Keywords:
ArtifactHermit crabImaging techniqueShellTomography

More Related Videos

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum
04:32

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Published on: March 19, 2017

7.9K
Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
12:32

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans

Published on: September 27, 2020

10.1K

Related Experiment Videos

Last Updated: Jan 8, 2026

Microfocus X-ray CT microCT Imaging of Actinia equina Cnidaria, Harmothoe sp. Annelida, and Xenoturbella japonica Xenacoelomorpha
08:09

Microfocus X-ray CT microCT Imaging of Actinia equina Cnidaria, Harmothoe sp. Annelida, and Xenoturbella japonica Xenacoelomorpha

Published on: August 6, 2019

9.4K
Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum
04:32

Dissection, MicroCT Scanning and Morphometric Analyses of the Baculum

Published on: March 19, 2017

7.9K
Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
12:32

Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans

Published on: September 27, 2020

10.1K

Area of Science:

  • Ecology
  • Zoology
  • Biotechnology

Background:

  • Gastropod shell volume is critical for hermit crab ecology, influencing shell selection and resource competition.
  • Traditional methods for shell volume estimation (water/sand displacement) are destructive and time-consuming.
  • Computed tomography (CT) offers a non-destructive alternative, but optimization is needed for accurate volume assessment.

Purpose of the Study:

  • To develop and validate an optimized computed tomography (OCT) protocol for estimating internal gastropod shell volume.
  • To compare OCT-derived volumes with traditional water/sand displacement methods and a non-optimized CT protocol (NOCT).
  • To evaluate the performance of different software (CT Viewer vs. OsiriX MD) for CT data analysis.

Main Methods:

  • Gastropod shells of varying species, sizes, and architectures were analyzed using CT scanning.
  • Volume estimations from the optimized CT protocol (OCT) were compared against NOCT and water/sand displacement methods.
  • Software performance (CT Viewer and OsiriX MD) was assessed for accuracy and reproducibility.

Main Results:

  • OCT provided volume estimates comparable to NOCT for high-spired shells and those with surface elevations.
  • For low- and middle-spired shells, OCT yielded higher volumes, aligning with sand-filling results.
  • OsiriX MD demonstrated high accuracy and reproducibility, comparable to OCT for most species.
  • Shell size impacted volume estimation variability, with larger high-spired shells showing greater variation.

Conclusions:

  • The optimized computed tomography (OCT) protocol is a reliable and non-destructive method for gastropod shell volume estimation in ecological research.
  • While OCT is broadly applicable, the NOCT protocol may be more efficient for shells with complex ornamentation or high-spired structures.
  • Software choice, such as OsiriX MD, can influence accuracy and reproducibility in CT-based volume analysis.