[heâ³mah-to-poi-eÂ´sis] the formation and development of blood cells. In the embryo and fetus it takes place in a variety of sites including the liver, spleen, thymus, lymph nodes, and bone marrow; from birth throughout the rest of life it is mainly in the bone marrow with a small amount occurring in lymph nodes.
Calories in a Crispy Pico Guacamole Chicken Sandwich There are 680 calories in a Crispy Pico Guacamole Chicken Sandwich from McDonald's. Most of those calories come from fat (41%) and carbohydrates (41%).
Unhealthiest Options on the Subway Menu. 1  Footlong Chicken & Bacon Ranch Melt (with mayo): 1,250 calories, 68 grams fat. 2  Footlong Tuna Sandwich (with mayo): 1,070 calories, 62 grams fat. 3  Footlong Big Philly Cheese (with mayo): 1110 calories, 46 grams fat. 4  Footlong Pastrami Melt (with mayo): 1,270 calories, 68 grams fat.