Specimen No. 019 · Rodent

Brown Rat penis size & anatomy

Rattus norvegicus

Reference measurement

Approx. 10.9 mm / 0.43 in

Published average

Adult control Wistar rats in study averaged 10.94 ± 0.22 mm.

Measurement source: ScienceDirect / Toxicology (opens in a new tab)

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Compare your height with the brown rat