@thecellbrief: Your thymus shrinks with age. Here's what it makes 🧬 Behind your breastbone sits a small gland that works like a training camp: young immune cells grow up there into T cells. Yes, the T stands for thymus! 🏕️ Until 1961, many scientists thought it was a useless leftover. It was the last major organ to have its job discovered 🤯 It's large in childhood, then slowly shrinks, and fat moves into the space ⏳ Its peptides: 1️⃣ A 28-amino-acid peptide first pulled from calf thymus in 1977 2️⃣ A 9-amino-acid peptide that, in lab tests, only worked while holding a zinc atom ⚡ 3️⃣ A 49-amino-acid peptide found through its effect on nerve-to-muscle signals. In lab tests, just 5 of its amino acids did much of the same job Did you know the T stands for thymus? 👇 Education only. Not medical advice. #Science #biology #immunesystem #ScienceExplained #learnontiktok

The Cell Brief

Open In TikTok:

Region: US

Sunday 01 November 2026 18:03:59 GMT