What type of papillae are present on this tongue?

Low magnification of numerous filliform papillae on surface of tongue

? papillae? ?

Numerous Filliform Papillae (note lack of taste buds) Skeletal Muscle of Tongue

? Papillae ? What?

Fungiform Papillae Taste Buds

1 2 Foliate or Fungiform Papillae on Tongue

Taste Buds Stratified squamous epithelium Foliate or Fungiform Papillae on Tongue

1 2 3 4

Gustatory Pore Gustatory Cells In Taste Bud Taste Buds Stratified squamous epithelium

1 3 2

Gustatory pore with free nerve endings Nuclei of Gustatory Cells Magnified Taste Buds

Organ ? 2 1

Liver Central veins in center of Hexagonal lobes Portal triads

Organ ? 1 2

Liver Portal triad Hepatocytes

1 2 Organ C Organ A Organ B

Numerous Peyer’s Patches Duodenum Jejenum Ileum

5 4 3 1 2

Crypts of Lieberkuhn Villi Muscularis mucosae Brunner’s or Submucosal glands Muscularis externa, Circular layer

Layer A Layer B Layer C 5 4 1 2 3 What organ?

Muscularis Submucosa Mucosa Villi Lumen of GI Tract Outer Longitudinal Layer Inner Circular Layer of the Muscularis Externa Peyer’s Patches in the submucosa Of the ileum

5 4 3 1 2 Organ?

Peyer’s Patches in the submucosa Muscularis (externa) Submucosa Ileum Villi Lumen

6 1 5 2 4 3

Oral cavity proper Internal nares Fauces Oral vestibule Esophagus Oropharynx

1 12 11 10 2 9 8 3 7 4 5 6

Auditory / Pharyngo- Tympanic tube Cribiform plate of ethmoid Frontal sinus Sphenoidal sinus Nasophayngeal tonsil Chonchae / turbinates Soft palate Palatine tonsil Uvula Lingual tonsil Epiglottis Cricoid cartilage

11 1 10 9 2 8 7 6 3 5 4

Enamel Crown Dentin Neck Gingiva Cementum Periodontal ligament Alveolar bone Root Root canal with blood vessels and nerves Pulp cavity With blood vessels and nerves

1 2 3 4 5

Common bile duct Pancreatic duct Duodenal papillus (major) Plica circulares of duodenum Hepatopancreatic ampulla in the duodenal wall

1 9 2 11 3 10 4 5 7 8 6

Gall bladder Spleen Liver Cystic duct Adrenal gland Hepatic duct Kidney Duodenum Head, body and tail of the pancreas

1 5 2 4 3

Pancreatic duct Common Bile Duct Plica circulares Spleen Duodenum

1 2 7 3 4 5 6

Common bile duct Hepatic portal vein Cystic duct Hepatic artery Hepatic duct Round ligament (remnant of umbilical vein) Quadrate lobe Gall bladder

9 1 2 8 3 7 4 5 6

Lacteal Villi Simple columnar epithelium Crypt of Lieberkuhn Muscularis mucosae Submucosa Circular and Longitudinal layers Of muscularis externa Serosa

8 1 2 7 6 5 4 3

Lacteal (green) Villi Lymphatic nodule/ Lymphatic follicle Lamina propria Muscularis mucosae Submucosa with many blood vessels Circular layer of Muscularis externa Longitudinal layer Of muscularis externa

1 7 6 2 3 4 5

Villi Lacteals Lymph nodule/follicle Crypt of Lieberkuhn Muscularis mucosae Circular and Longitudinal layers of the Muscularis externa

9 8 1 7 2 3 6 4 5

Transverse colon Haustra Ascending colon Descending colon Taenia coli Ileocecal valve Sigmoid colon Cecum Rectum

Ulcerative colitis Diverticula Adhesions Irritable Bowel/ Spastic colon Bacterial infection Crohn’s disease (enteritis) Cancer Polyps Appendicitis

2 3 1

Inner oblique layer of muscle Middle circular layer of muscle Outer longitudinal layer of muscle

Fundus Cardia Pylorus Body

4 7 6 5 3 1 2

Pylorus Esophagus Site of lower esophageal sphincter/Cardiac sphincter Lesser curvature Pyloric valve/ sphincter Rugae Greater curvature

1 3 2

Lingual tonsil Sublingual gland Submandibular gland

2 1 3 5 4

Circumvallate papillae Lingual tonsil Sublingual gland Submandibular gland and duct

5 6 1 2 7 3 4 8 9

Enamel Dentin Gingiva Pulp cavity Alveolar bone Root canal Cementum Apical foramen Periodontal ligament

10 1 2 9 3 8 7 4 5 6

Lacteal Villi Simple columnar epithelium Crypt of Lieberkuhn Muscularis mucosae Lymphatic vessels Goblet cells Circular and Longitudinal layers Of muscularis externa Serosa

1 2 6 5 3 4

Submandibular duct (Wharton) Sublingual ducts (Rhivinus) Parotid gland Parotid duct / Stenson’s duct Sublingual gland Submandibular gland

2 3 1 4 7 6 5

Muscularis mucosae Lamina propria Lining epithelium Submucosa Serosa Outer longitudinal + inner circular Layer of the muscularis externa

Name the part of the GI Tract shown in the model 1 3 2 4

Esophagus Small intestines Large intestines Stomach

1 2 3 4 6 5

Layers of the muscularis externa: Outer longitudinal + inner circular Gastric pits Muscularis mucosae Villi Taenia coli

Note: thick layer of Longitudinal muscle Note: esophageal glands Note: numerous villi Taenia coli Note:lack of Longitudinal muscle

Note hexagonal lobules of the __________(what organ?) 1 2

Note hexagonal lobules of the liver Portal triads Central veins

2 1 3 5 4

Hepatic portal venule Hepatic arteriole Macrophages (Kuppfer cells) Bile ductule Sinusoids

1 2 3 4 10 5 9 6 7 8

Nasopharynx Oropharynx Laryngopharynx Esophagus Falciform ligament Cardiac /lower esophageal Or gastroesophageal valve Gall bladder Fundus Cardia Round ligament

1 2 6 3 4 5

Falciform ligament Round ligament Pyloric valve Cystic duct Duodenum Plica circulares

10 1 9 2 8 3 4 7 5 6

Descending colon Ascending colon Taenia coli Ileum Haustra Ileocecal valve Caecum Internal anal sphincter Appendix External anal sphincter

2 1

Falciform ligament (cut) Gall bladder