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0:51
How the Penis Gets Hard: The Hidden Science of Erections Explained
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The Anatomy of an Erection 🔬⚠️ This is a real cross-section through the penis! Let's break down the anatomy: The 3 Cylindrical Bodies 📍 Corpus Spongiosum (bottom) – Spongy erectile tissue that the urethra passes through Corpora Cavernosa (top x2) – More cavernous erectile tissue with spaces/sinuses that fill with blood! How an Erection Works ⚡ 1️⃣ Stimulation (physical or mental) 2️⃣ Parasympathetic nerve fibers send signals to erectile tissues 3️⃣ Nitric oxide released → arteries of penis dil
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Is morning wood a sign of being turned on? No. It is actually called nocturnal penile tumescence and it happens three to five times every night during REM sleep. Your brain is just running a maintenance cycle to keep your erectile tissue oxygenated and healthy. Send this to someone who gets morning wood 🪵 #doctor #sexualhealth #didyouknow
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