precostal anastomosis

pre·cos·tal a·nas·to·mo·sis

longitudinal anastomosis of intersegmental arteries in the embryo that gives rise to the thyrocervical and costocervical trunks.

pre·cos·tal an·as·to·mo·sis

(prē-kos'tăl ă-nas'tŏ-mō'sis) Longitudinal anastomosisof intersegmental arteries in the embryo that gives rise to the thyrocervical and costocervical trunks.