ventrum

Definition

The underside or belly part of an arachnid or insect, often referring to the ventral surface of the abdomen.

Etymology

From Latin 'venter', meaning 'belly' or 'abdomen'.

Example

The ventrum of the spider was marked with distinctive patterns that helped in species identification.

Synonyms

• belly
• underside
• ventral surface

Related Terms

• dorsum
• abdomen
• thorax

Usage Notes

Ventrum is commonly used in anatomical descriptions to refer to the lower surface of an organism.