fewer than the expected number of structures located on the apex of the mammary gland on the integument surface into which the lactiferous ducts open; normal female mice have five pairs of mammary glands and nipples (males have no nipples); two pairs of nipples are situated in the abdomino-inguinal region (inguinal group) and three pairs in the ventral thoracic region (pectoral or thoracic group)
decreased nipple size
ectopic nipples
increased nipple number
increased nipple pigmentation
teat wound +
Synonyms
Exact Synonyms:
decreased papilla mammae number
;
decreased teat number
;
decreased thele mammae number
;
decreased thelium mammae number
;
reduced nipple number
;
reduced papilla mammae number
;
reduced teat number
;
reduced thele number
;
reduced thelium number