any structural anomaly of either of two mammary glands located in the cervical (i.e. neck) region, forward of the axial area of the forelimbs (mice have a single pair of cervical mammary glands)
Mammalian phenotypes (MP terms) --> Mouse genes and models
Returns mouse genes (or other sequence features) associated with the specified phenotypes (MP terms), along with the models (genotypes) in which the phenotypes were observed.