Illustration showing a normal spiral galaxy. The bright patches within the spiral arms are gaseous nebulae in which star formation is occuring.

---

Size: 3988px × 4961px
Photo credit: © SALLY BENSUSEN (1988)/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, abnormal, background, bile, biliary, black, bladder, body, cholangiography, computed, condition, contrast, ct, cut, cut-, cut-outs, cutout, cutouts, diagnosing, diagnosis, diagnostic, diagnostics, disease, disorder, ducts, gall, gallbladder, hepatic, hepatobiliary, human, injury, intravenous, liver, medical, medicine, medium, outs, scanner, tomography, unhealthy