This brochure is for Department of Defense civilian employees who move between the appropriated and nonappropriated fund employment programs. This information will assist in selection of benefits as transition is made from one system to the other. Headquarters Department of Army.
(noun) The cloaca is the single posterior opening for a bird's digestive, urinary and reproductive tracts and is used to expel feces and lay eggs. The cloaca is found on the rear of the body under the base of the tail, covered by feathers on the extreme lower abdomen.
avian cloaca. in birds the cloaca is divided into three poorly defined compartments: a coprodeum or a continuation of the rectum, a urodeum into which the urogenital ducts open (in the female the left genital duct is the oviduct) and the proctodeum which carries the cloacal bursa and the proctodeal glands. common cloaca.