A gland in the leg of the iguana excretes liquid via epidermal and dermal tubes and pores in the skin.

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"[The iguana] excretes liquid (sometimes volatile lipids) from a gland on ventral side of the femur. The liquid is expelled through epidermal and dermal tubes ending in a row of pores on the skin. Gland length varies depending on the season, especially in males." (Biomimicry Guild unpublished report) Edit References

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