
The image displays a page from "Gray's Anatomy of the Human Body," 22nd edition, discussing the sex differences in human skulls, noting that before puberty, male and female skulls are similar, but adult female skulls are typically lighter, smaller, and with thinner walls and less robust muscular ridges compared to males. Female skulls also have less prominent glabellas and superciliary arches, smaller sinuses, and different facial contours.