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

You Were Born With 270 Bones! Where Did The Other 64 Go? #ScienceFacts #HumanBody #SPClasses

खोपड़ी में तीन तरीके से होल करते न्यूरोसर्जन डॉक्टर देखे डेमो

Bats: The Only Mammal That Can Truly Fly — and Hunts in Total Darkness