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This comprehensive overview examines the intricate layers of both hollow and solid organs, highlighting the muscularis, submucosa, and mucosa in tubes like the urethra, trachea, and digestive tract, which secrete mucus. It also explores the structure of non-mucous secreting organs such as blood vessels, lymphatic vessels, and the heart, detailing the tunica externa, tunica media, and tunica interna layers. Additionally, we discuss the organ capsules, cortex, medulla, hilus, and their associated vessels within organs like the kidneys and lymph nodes, emphasizing their connective and smooth muscle tissues.
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MUSCULARIS LAYERS SUBMUCOSA MUCOSA Tubes that secrete mucous LUMEN ie. Urethra Trachea Uterine Tube Digestive Tract epithelial connective tissue smooth muscle
Tunica Externa LAYERS Tunica Media Tunica Interna Tubes that DO NOT secrete mucous LUMEN ie. Blood Vessels Lymphatic Vessels epithelial smooth muscle connective tissue
EPI--- LAYERS Myo---- ENDO-- Hollow organs that DO NOT secrete mucous LUMEN epithelial ie. Heart Uterus smooth muscle connective tissue
Capsule LAYERS Cortex Medulla Solid Organs HILUS Vessels Enter ie. Kidney Lymph Nodes