This is a detailed anatomical illustration of a lion, depicted with a combination of its external form and internal skeletal structure. The lion is shown in a side profile, standing on all four legs. The front portion of the lion, including the head, neck, and chest, is rendered with a realistic depiction of its fur and mane. The mane is thick and flowing, framing the lion's face. The skeletal structure is overlaid on the front portion of the lion, revealing the bones of the skull, spine, ribs, and limbs. The skeleton is drawn with precision, showing the individual bones and their connections. The rear portion of the lion is depicted as a transparent outline of its skeletal structure, allowing the viewer to see the bones of the hips, legs, and tail. The illustration is rendered in a monochromatic palette, with shades of gray and white used to create depth and detail. The background is a plain, off-white color, which helps to emphasize the subject of the illustration. The overall effect is a striking and informative depiction of the lion's anatomy.