Dorsum
- Pronunciation
- /DOHR-sum/
- Category
- Anatomy
- Singular
- Dorsum
- Plural
- Dorsa
Definition
The upper or back surface of an arthropod's body, particularly referring to the upper side of the abdomen or thorax.
Etymology
From Latin 'dorsum', meaning 'back'.
Example
The butterfly's colorful markings are most prominent on the dorsum of its wings.
Synonyms
- Back
- Upper surface
Related Terms
Usage Notes
In entomology, dorsum specifically refers to the upper side in contrast to the venter, which is the underside of the body.