supernumerary /su·per·nu·mer·ary/ (-noo´mer-ar″e) in excess of the regular or normal number.
su·per·nu·mer·ar·y (s  p r-n m-r r )adj. Exceeding the normal or usual number; extra. |
supernumerary
in excess of the regular number.
supernumerary kidney
an additional kidney which may be fused with or separate from a normal kidney; caused by the formation of an extra ureteric bud in the embryo.
supernumerary teats
in cows may be accompanied by a supernumerary mammary gland. May also be an adjunct to an existing teat and also share its teat cistern.
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