Mammary gland gestation, serum progesterone remains at a stably high concentration so signaling through its receptor is continuously activated. As one of the transcribed genes, Wnts secreted from mammary epithelial cells act paracrinely to induce more neighboring cells' branching. When the lactiferous duct tree is almost ready, "leaves" alveoli are differentiated from luminal epithelial cells and added at the end of each branch. In late pregnancy and for the first few days after giving birth, colostrum is secreted. Milk secretion (lactation) begins a few days later due to reduction in circulating progesterone and the presence of another important hormone prolactin, which mediates
AKA... What a Life! AKA... What a Life! "AKA... What a Life!" is a song by the English rock band Noel Gallagher's High Flying Birds. The song was written by Noel Gallagher and was released through Gallagher's own label, Sour Mash Records and produced by Dave Sardy whom Noel had previously worked with on Oasis records. It was released on 9 September 2011 as the second single from the band's eponymous studio album, "Noel Gallagher's High Flying Birds" (2011). Following the success of "The Death of You and Me", "AKA... What a Life!" was released as a digital UK single on 9 September 2011,