Esophagus
has four layers:
1️⃣MUCOSA 📌Lined by non keratinized stratified columnar epithelium.
📌Lamina propria is made up of loose connective tissue.
📌Muscularis mucosa has outer longitudinal and inner circular smooth muscle layers.
2️⃣ SUBMUCOSA
📌Contains blood vessels, nerves, lymphatics and mucus secreting oesophageal glands.
3️⃣ MUSCULARIS EXTERNA
📌Upper 1/3 is composed of skeletal muscles.
📌Middle 1/3 consist of both skeletal and smooth muscles.
📌Lower 1/3 is composed of purely smooth muscles.
4️⃣SEROSA/ADVENTITIA
H&E slide view
Atlas diagrams ⬇️⬇️⬇️
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