Esophagus

1. Mucosa 5. 6. Muscularis Mucoase Stratified squamous non-keratinized epithelium of the mucosa of the Esophagus Stratified squamous non-keratinized epithelium of the Esophagus Gastro-esophageal Junction Gastro-esophageal Junction Gastro-esophageal Junction Stomach Serosa

Mucosa Mucularis Externa

Submucosa Gastric Pits Muscularis Externa Mucosa

Submucosa Mucous Cells Lamina Propria Parietal Cells Parietal Cells

Chief Cells

Muscularis Mucosa

Small Intestine Submucosa

Mucosa

Muscularis Externa Submucosa

Mucosa

Muscularis Externa Villi Absorptive cells Goblet Cells Lamina Propria Intestinal Crypts

Muscularis Mucosa

Peyer’s Patch Lymphoid follicles of a Peyer’s Patch Large Intestine Mucosa

Submucosa

Muscularis Externa Serosa Goblet Absorptive Cells Cells

Lamina Propria

Muscularis Mucosa Liver Lobules portal triad Portal Triad

branch of the hepatic artery

bile duct branch of the portal vein

lymphatic vessel Liver Lobule Hepatic Triad Central Vein Central Vein

Hepatocytes Trachea

http://www.columbia.edu/itc/hs/medical/sbp m_histology_old/lab/lab10_pulmonary.html Trachea

Pseudostratified ciliated epithelium

Mucous Gland

Blood Vessels

Hyaline Cartilage Vessels Mucous Gland Hyaline Cartilage Pseudostratified Ciliated Epithelium Lung Bronchiole

Blood Vessel

Alveoli Bronchiole

Alveolus Lung with Emphysema Lung with Emphysema Lung with emphysema

Carbon Particles CAPSULE Capsule

Renal Corpuscles Bowman’s Capsule Renal Tubules Capsule

Testis

Seminiferous Tubules Seminiferous Tubules Sperm Cells Cells of Leydig (interstitial cells) Ovary Oocytes Primordial Follicles Oocytes Primordial Follicle Primary Follicles Primary Follicles Antrum Mature Graafian Follicles