Exercise 38 Anatomy of the Digestive System Essays

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R E V I E W
NAME ____________________________________ LAB TIME/DATE _______________________

S H E E T
EXERCISE 38

Anatomy of the Digestive System

General Histological Plan of the Alimentary Canal
1. The general anatomical features of the alimentary canal are listed below. Fill in the table to complete the information.
Subdivisions of the layer (if applicable)

Wall layer mucosa submucosa muscularis externa serosa or adventitia

Major functions

epithelium, lamina propria,
(not applicable)

secretion, absorption protection protection, vascular supply for mucosa churning, mixing protection, anchoring

circular and longitudinal
(not applicable)

Organs of the Alimentary Canal
2. The tubelike digestive system canal
…show more content…
tongue x. y. z. vestibule villi visceral peritoneum

260

Review Sheet 38

7. Correctly identify all organs depicted in the diagram

oral cavity

paratoid gland

mouth

sublingual gland

pharynx

submanibulargland

esphogus

gall bladder liver hepatic portal region cystic duct bile duct hepatic pancreatic sphincter accessory pancreatic duct hepatic flexure jejunum ascending colon ileum rectum illiocecal vavle anal canal cecum appendix anus transverse colon decsending colon sigmond colon pancreas cardiac sphincter

pyllitic sphincter

Review Sheet 38

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8. You have studied the histological structure of a number of organs in this laboratory. Three of these are diagrammed below. Identify and correctly label each.

(a) ____________________(b) ________________________(c) ____________________

Accessory Digestive Organs
9. Correctly label all structures provided with leader lines in the diagram of a molar below. (Note: Some of the terms in the key for question 10 may be helpful in this task.) enamel dentin crown pulp cavity gum
Neck

periodontal ligament

Bone

root

cementum rooteneal

Blood vessels and nerves in pulp

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Review Sheet 38

10. Use the key to identify

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