ZOO 200 Digestive and Respiratory Systems Lab Objectives

Lab Manual Exercise 26: Digestive System

Structure of Teeth: pp 365 - 66; also, identify teeth on adult & child skull and structures on teeth models

Cat Dissection: pp 378 - 80

• liver, gall bladder, falciform ligament

• stomach: cardiac region, fundus, greater and lesser curvatures, pyloric region, rugae, lower esophageal (cardiac) sphincter.

• duodenum, jejunum, ileum

• pancreas

• spleen (part of lymphatic system)

• mesentery proper, greater and lesser omentum, mesocolon

• cecum, colon

• parietal and visceral peritoneum

Lab Manual Exercise 26: Respiratory System: 

Cat Dissection: p 358

• larynx

• trachea and tracheal cartilages

• primary bronchi

• thyroid cartilage

• epiglottis

• cricoid cartilage

• arytenoid cartilage

• true and false vocal cords

• visceral and parietal pleura

• pleural cavity

• diaphragm

Duodenum, pancreas, and spleen (model #45562)

· duodenum

· plica circularis

· muscularis

· beginning of jejunum

· hepatic portal vein

· hepatic artery

· common bile duct

· opening of ampulla of Vater (hepatopancreatic ampulla)

· pancreas

· pancreatic duct and accessory pancreatic duct

Teeth Models

· enamel, crown, neck, dentin, pulp, root canal; not on model but know:  location of periodontal ligament (not seen on model) and cementum

· incisor, cuspid (canine), bicuspid, upper molar, lower molar (also: find incisors, cuspids, bicuspids, and molars on the skulls)

Stomach (#37035):

· lower esophageal (cardiac) sphincter and pyloric sphincter

· rugae

· cardiac region, fundus, body, pyloric antrum, pyloric canal

· attachment sites of greater and lesser omentums

· duodenum

· pancreas

Torso #2:

· greater omentum

· falciform ligament of liver

Torso #1:

· parotid, submandibular, and sublingual glands

· hard and soft palate; uvula

· fauces and internal nares

· nasopharynx, oropharynx, laryngopharynx

· opening of Eustachian (auditory) tubes

· pharyngeal and palatine tonsils

· thyroid cartilage, cricoid cartilage

· epiglottis

· superior, middle, and inferior nasal conchae

· vocal folds (“true” vocal cords)

· ventricular folds (“false” vocal cords)

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· trachea and primary bronchi

· parietal pleura

· pulmonary arteries

· pulmonary veins

· diaphragm

· esophagus

· stomach

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· liver with left and right hepatic ducts, cystic duct, beginning of common bile duct

· gall bladder

· round ligament

· hepatic artery 

· hepatic portal vein

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· pancreas

· duodenum

· beginning of jejunum; end of ileum

· cecum and appendix

· ileocecal valve

· ascending, transverse, descending, and sigmoid colon

· taeniae coli and haustra

· rectum and anal canal

Head:

· parotid gland

· hard and soft palate; uvula

· fauces and internal nares

· nasopharynx, oropharynx, laryngopharynx

· opening of Eustachian (auditory) tubes

· thyroid cartilage

· cricoid cartilage

· epiglottis

· vocal folds (“true” vocal cords)

· ventricular folds (“false” vocal cords)

· superior, middle, and inferior nasal conchae

· esophagus

· lingual, pharyngeal, and palatine tonsils

Intestinal wall:

· villi, villi capillaries, lacteals

· lamina propria

· simple columnar epithelium

· intestinal glands (crypts of Lieberkuhn)

· submucosal plexus, myenteric plexus

· goblet cells

· muscularis mucosae

· duodenal glands (Brunner’s glands)

· lymphatic nodule

· muscularis externa: circular layer, longitudinal layer

· squamous epithelium of serosa  

Larynx (#134):

· thyroid cartilage

· cricoid, arytenoid , and corniculate cartilage

· tracheal cartilage

· epiglottal cartilage

· vocal folds (“true” vocal cords)

· hyoid bone

Lungs (#9579):

· right and left primary bronchi (note differences)

· secondary bronchi

· pulmonary arteries

· pulmonary veins

· bronchioles

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· thyroid cartilage

· cricoid, arytenoid , and corniculate cartilage

· vocal folds (“true” vocal cords)

· hyoid bone

· trachea

· tracheal cartilage

Lungs, heart, etc. (#32264):

· right and left primary bronchi (note differences!)

· secondary bronchi

· tertiary bronchi

· pulmonary arteries

· pulmonary veins

· esophagus

· diaphragm

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· thyroid cartilage

· cricoid, and arytenoid cartilage

· vocal folds (“true” vocal cords)

· ventricular folds (“false” vocal cords)

· hyoid bone

· trachea

· tracheal cartilage

 Alveoli (#45564):

· alveoli

· alveolar capillaries

· bronchioles

· elastic fibers

· visceral pleura

· pulmonary arteries

· pulmonary veins