Related Experiment Video
Updated: Apr 5, 2026

Electrophysiological Methods for Measuring Photopigment Levels in Drosophila Photoreceptors
Published on: June 2, 2022
What is a vertebrate pigment cell?
Manfred Schartl1, Lionel Larue2, Makoto Goda3
1Department Physiological Chemistry, Biocenter and Comprehensive Cancer Center Mainfranken, University of Würzburg, University Clinic Würzburg, Würzburg, Germany.
This study defines criteria for bona fide pigment cells in vertebrates, distinguishing them from general pigmented cells. A proposed nomenclature for vertebrate pigment cell types is also presented.
Area of Science:
- Comparative anatomy
- Cell biology
- Developmental biology
Background:
- Pigment cells are crucial for vertebrate physiology and development.
- Existing definitions of pigment cells lack clarity, leading to confusion with general pigmented cells.
- Standardized criteria are needed for accurate classification and research.
Purpose of the Study:
- To establish clear criteria for identifying bona fide pigment cells.
- To differentiate true pigment cells from other pigmented cells.
- To propose a standardized nomenclature for vertebrate pigment cells.
Main Methods:
- Literature review and synthesis of existing knowledge.
- Consensus-building through workshop discussions and expert meetings.
- Comparative analysis of cell types across vertebrate species.
Main Results:
- Defined functional criteria for bona fide pigment cells within the vertebrate body plan.
- Distinguished pigment cells from general pigmented cells based on specific characteristics.
- Proposed a novel nomenclature system for diverse vertebrate pigment cell types.
Conclusions:
- A clear definition and classification system for pigment cells are essential for advancing research.
- The proposed criteria and nomenclature facilitate consistent identification and study of pigment cells.
- This work provides a foundation for future research in pigment cell biology and evolution.
Related Concept Videos
Photoreceptors and Visual Pathways
Anatomy of the Eyeball
The Retina
Channel Rhodopsins
Rhodopsins belong to the family of cell surface proteins called G-protein coupled receptors,...
Pigmentation
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
G-Protein Gated Ion Channels
Sensory...

