Primary mammary tumors connected to the host by a single artery and vein.
D000818:Animals; D001158:Arteries / Q000503:physiopathology; D001775:Blood Circulation; D005260:Female; D008325:Mammary Neoplasms, Experimental / Q000473:pathology / Q000503:physiopathology*; D051381:Rats; D014680:Veins / Q000503:physiopathology