@instituteofhumananatomy: 🧠 Your brain has a built-in pain control system — and it works a lot like opioid drugs. Here's how: After pain signals reach the brain, the brain fires signals back down the spinal cord to dial the pain down. This is called the descending pain pathway. A region in the brain stem called the periaqueductal gray triggers the release of endogenous opioids — your body's own natural painkillers — that reduce how strongly pain signals travel back up to the brain. Think of it like a volume knob. Your body doesn't eliminate the pain entirely — it turns it down to a manageable level. And that's actually a survival advantage, so pain doesn't become completely overwhelming. 🎚️ Here's where it gets serious: drugs like fentanyl hijack this exact system and amplify it to an extreme degree — far beyond what the body was ever designed to handle. ⚠️ Follow for more anatomical awesomeness! #tiktoklearningcampaign #anatomy #humananatomy #pain #nervoussystem #painmanagement #opioids #fentanyl #endorphins #neuroscience #brainfacts #spinalcord #physiology #anatomyandphysiology #medschool #premed #learnontiktok

IOHA

Open In TikTok:

Region: US

Tuesday 09 June 2026 15:00:00 GMT