[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%).
Healthiest Options on the McDonald's Menu. 1  Milk: 100 calories (1% low fat) 2  Southwest Grilled Chicken Salad (no cheese or tortilla strips): 260 calories. 3  Fruities (Mandarin orange): 35 calories. Total: 395 calories. 4  Premium Grilled Chicken Sandwich: 380 calories. 5  Side Salad: (no dressing) 20 calories. 6  Water: 0 calories. Total: 400 calories.