Thin, pebbly skin. Mandarins are smaller and less spherical than common oranges (which are a mandarin hybrid). The taste is considered less sour, as well as sweeter and stronger. A ripe mandarin is firm to slightly soft, heavy for its size, and pebbly-skinned.andarin are usually eaten plain or in fruit salads. Specifically reddish-orange mandarin cultivars can be marketed as tangerines, but this is not a botanical classification.
Patent ductus arteriosus (PDA) is a condition wherein the ductus arteriosus fails to close after birth. Early symptoms are uncommon, but in the first year of life include increased 'work of breathing' and poor weight gain. An uncorrected PDA may lead to congestive heart failure with increasing age.
open and unblocked, such as a patent airway or a patent anus. Medspeak. adjective Open, not occluded; unobstructed; referring to a duct, lumen or vessel. Science-speak. noun A document that grants an inventor, in terms of a determined number of years, the exclusive right to make use of and sell his or her invention.nvestigators into the effects of the prostaglandins have reported that closure of a patent ductus arteriosus can be produced in preterm infants by administration of an inhibitor of prostaglandin formation.