The two hormones released from the posterior pituitary are {Ans: oxytocin and antidiuretic hormone; release controlled by nerve impulses that travel over pathways(tracts)}dermatome {Ans: a region of the skin supplied by a single spinal nerve}stretch reflex {Ans: muscle is stretched and responds by contracting}chyle {Ans: mixture of lymph and fat globules that drains from the small intestine after fat has been digested}lymphatic capillaries {Ans: walls (endothelium) flattened epithelial cells, more permeable, cells overlap slightly, forming one-way valves, lacteals absorb fat, arise blindly (closed at one end)}capillaries absorb {Ans: simple sugars, small proteins, amino acids, simple fatty acids, water}