Mullerian duct morphology trait ATOL:0000487 Any measurable or observable characteristic related to the shape, structure, color, or pattern of the transient embryonic tubes that empty into the cloaca and in the female develop into the oviducts, uterus, and vagina. Muller duct morphology trait Trait.ontology VT:0003826 paramesonephric duct morphology trait reproductive system development trait