"14157840" . "n_03" . . . "A juxtamedullary nephron is a type of nephron, found only in birds and mammals. Medullary refers to the renal medulla, while the juxta (Latin: near) refers to the relative position of the renal corpuscle, which in these nephrons is near the medulla (but still in cortex. junction) ."@en . "Juxtamedullary nephron"@en . .