An animal having four mammary glands that terminate in two teats is the A. mare B. ewe C. elephant D. bitch E. cow Questions 20 through 23. The teats, cisterns, ducts, and glands already exist at birth. After puberty, the udder begins to grow and becomes noticeably larger. After puberty, estrogen stimulates development of the secretory tissue. After puberty, progesterone stimulates development of the ducts.
Milk producing cells A. are each capable of the complete synthesis of milk.
B. each make a specific component of milk and secrete it into the milk cavity. When a calf is nursing, the milk he is getting is being synthesized and released to him at that time. A. true B. false 26. Milk synthesis in the udder is continuous until it is finally stopped by A. nervous stimuli B. intramammary pressure C. hormone action D. decreased blood flow to the mammary gland 27. Oxytocin A. stimulates milk synthesis.