1. Release of oxytocin into the blood.
2. Stimulation of sensory nerve endings in the breast.
3. Transmission of nerve impulses to the hypothalamus.
4. Contraction of smooth muscle in the gland.
The sequence of events that occurs when lactation is initiated by a baby is
as follows:
1. Stimulation of sensory nerve endings in the breast.
2. Transmission of nerve impulses to the hypothalamus.
3. Release of oxytocin into the blood.
4. Contraction of smooth muscle in the gland.