Ran expression during ontogeny according to in situ hybridization. X-ray autoradiography (bright field) of Ran in situ hybridization in mice from e9 to p10, as indicated, is shown in panels A, B, D, F, G, and H. Hybridization with the sense probe (S) is presented as controls in panels C, E, and I. The abbreviations are as follows: Br, brain; Cx, cerebral cortex; DRG, dorsal root ganglion; F, fetus; H, heart; In, intestines; K, kidney; Li, liver; Lu, lung; M, muscles; OL, olfactory lobe; OT, olfactory turbinates; T, teeth; Th, thymus; Sk, skin; SMax, submaxillary gland; Sp, spleen; Spc, spinal cord; St, stomach; Trig, trigeminal ganglion; V, vertebrae. Bar = 1 cm.