·AlimentarysystemRespiratorysystem·UrinarysystemGenitalsystemSplanchnology(I )--General description--- Alimentary system
- General description - Alimentary system Splanchnology (Ⅰ) • Genital system • Alimentary system • Respiratory system • Urinary system
I. Common features of the splanchnology（I）Generalstructures1.Tubular canal / hollow organs2. Non-tubular / parenchymatous organsLiverLungAlimentarysystem
（Ⅰ）General structures 1. Tubular canal / hollow organs 2. Non-tubular / parenchymatous organs • Liver • Lung Ⅰ. Common features of the splanchnology • Alimentary system
1. Tubular canal / hollow organs: are constituted by a soft walland an internal cavity..transport the contents:each system may communicateswiththeexternal environmentthrough some openings on thesurface of the bodyAlimentary system
1. Tubular canal / hollow organs • are constituted by a soft wall and an internal cavity. • transport the contents. • each system may communicates with the external environment through some openings on the surface of the body. • Alimentary system
·Adventitia·Muscularlayer·Submucosa.Mucosa· a diagram of alimentary canal
• Mucosa • Submucosa • Muscular layer • Adventitia • a diagram of alimentary canal
2.Non-tubular / parenchymatous organsglandular glands. no certain cavity·the organ is enclosed in a fibrous capsuleand divided into many units known as lobules:a somewhat depression or slit on the surfaceof the organ is called the hilum (porta)·Hilum of lung·Hilum of kidney·Portahepatis
• Porta hepatis • Hilum of lung • Hilum of kidney • glandular glands. no certain cavity. • the organ is enclosed in a fibrous capsule and divided into many units known as lobules. • a somewhat depression or slit on the surface of the organ is called the hilum（porta） 2. Non-tubular / parenchymatous organs