Porotic hyperostosis is a condition that affects the skull by creating a porous, sponge-like texture on the outer surface of the bone. It is most often seen near the top and sides of the cranium. This happens when the marrow spaces inside the skull expand, often as the body tries to produce more red blood cells. Over time, the outer layer of bone becomes thinner and pitted.#LearnOnTikTok #TikTokLearningCampaign #EduTok

How to draw a female #art #artist #sketch #sketches #tutorial | drawings

How to draw cute Jax, Ribbit, Kaufmo #drawing #tutorial #theamazingdigitalcircus #fyp

Tap the link in my bio to start the drawing drills course. This exercise starts with a simple box. Too simple, right? Then you begin pushing it further. The boxes gain more depth. They start sitting convincingly in space. Center lines are added. New forms get attached. Parts are cut away. Suddenly, that simple box starts becoming architecture. Then you scale it up. A giant structure appears. Rooftops, windows, parking lots, balconies, and other details all emerge from the same basic form. This i

Why did they remove half of his skull? #science #medicine #biology | Science

He Has Two Brains

Most people assume the human skeleton follows a standard blueprint, but subtle variations can tell a different story. A sternal foramen is a small hole that forms in the breastbone when the sternum doesn't completely fuse during development. Often unnoticed throughout life, it rarely causes symptoms and is usually discovered by chance. Yet for anatomists, archaeologists, and forensic experts, this tiny opening can be significant. What appears unusual at first glance is not evidence of trauma or