AG

Digestive GQ

Topic

Details

Segments of digestive/alimentary canal

Mouth, esophagus, stomach, small intestine, large intestine, rectum

Digestive glands

Salivary glands, liver, pancreas

Accessory digestive structures in the mouth

Teeth, tongue, salivary glands

Segments of esophagus

Cervical, thoracic, abdominal

Concentric layers of esophagus

Mucosa, submucosa, muscularis externa, adventitia/serosa

Parts of stomach in monogastric animals

Cardia, fundus, body (corpus), pylorus

Sphincters of stomach

Cardiac sphincter (lower esophageal), pyloric sphincter

Concentric layers of stomach, small intestine, and large intestine

Mucosa, submucosa, muscularis externa, serosa/adventitia

Secretions of parietal and chief cells of the stomach

Parietal cells: hydrochloric acid (HCl), intrinsic factor; Chief cells: pepsinogen, gastric lipase

Surfaces of stomach

Anterior, posterior

Extremities of stomach

Cardiac end, pyloric end

Cardia and pylorus directed to what side of the body

Cardia: left side; Pylorus: right side

Peritoneal folds of stomach

Greater omentum, lesser omentum

Segments of small intestine

Duodenum, jejunum, ileum

Describe duodenum

C-shaped, shortest part, receives chyme from stomach, bile, and pancreatic secretions

Describe jejunum

Middle section, thicker wall, more vascularized, primary site of nutrient absorption

Describe ileum

Longest part, thinner walls, contains Peyer’s patches, ends at ileocecal junction

Fixed part of small intestine

Duodenum (fixed to the posterior abdominal wall)

Mesenteric parts of small intestine

Jejunum, ileum

Double layer of peritoneum wherein the mesenteric part of small intestine is connected

Mesentery

Villi from Peyer's patches

Found in ileum, involved in immune response

Ducts that open into small intestine

Common bile duct, pancreatic duct

Segments of large intestine

Cecum, colon (ascending, transverse, descending, sigmoid), rectum

Longitudinal bands that run along the outside of intestine

Teniae coli

Sacculations caused by constriction of intestine

Haustra

Parts of colon

Ascending colon, transverse colon, descending colon, sigmoid colon

Sphincter muscles of anus

Internal anal sphincter (involuntary), external anal sphincter (voluntary)

Principal types of salivary glands in animals

Parotid, submandibular (submaxillary), sublingual

Types of salivary secretions

Serous, mucous, mixed

Structural unit of the liver

Lobule

Main lobes of the liver

Right lobe, left lobe

Surfaces of the liver

Diaphragmatic surface, visceral surface

Structures that enter the porta

Hepatic artery, portal vein, nerves

Enzymes secreted by the pancreas

Amylase, lipase, proteases (trypsin, chymotrypsin), nucleases

Structures that leave the porta

Hepatic veins, bile ducts

Ligaments of the liver

Falciform ligament, round ligament (ligamentum teres), coronary ligament

Cells and respective secretions of the islets of Langerhans

Alpha cells (glucagon), beta cells (insulin), delta cells (somatostatin), PP cells (pancreatic polypeptide)

Surfaces of pancreas

Anterior, posterior, inferior

Borders of pancreas

Superior, anterior, inferior

Surfaces of spleen

Diaphragmatic surface, visceral surface

Borders of spleen

Superior, inferior

Extremities of spleen

Anterior (upper pole), posterior (lower pole)

Types of Teeth: Incisors, Canines, Premolars, Molars

Surfaces of Teeth: Occlusal, Buccal, Lingual, Mesial, Distal

Layers of Teeth: Enamel, Dentin, Pulp, Cement

Nipper Teeth: Incisors

Dental Pad is Present in These Animals: Ruminants (e.g., cattle, sheep, goats)

Holding Teeth: Canines

Grinding Teeth: Premolars, Molars

In Horses, the 1st Premolar Whenever Present is Called: Wolf tooth

Cutting Teeth: Incisors

2 Carnassial Teeth in Dogs: Upper 4th premolar and lower 1st molar

Portion of Tooth Covered by Enamel: Crown

Portion of Tooth Covered with Cement: Root

Line of Junction Between the Crown and Root of Teeth: Cementoenamel junction

Center of Tooth: Pulp cavity

Blood Supply of Teeth is Derived From: Maxillary artery (via the dental branches)

Parts of Tongue: Apex, Body, Root

Main Types of Papillae: Filiform, Fungiform, Circumvallate, Foliate

Motor Nerve Supply of Tongue: Hypoglossal nerve (CN XII)

Sensory Nerve Supply of Tongue: Lingual nerve (V3), Glossopharyngeal nerve (IX), Vagus nerve (X)

Differentiate Anterior from Posterior Pillar of Soft Palate: Anterior pillar: from soft palate to uvula; Posterior pillar: from soft palate to pharynx

Surfaces of the Soft Palate: Oral surface, Nasal surface

Bony Basis of Hard Palate: Maxilla, Palatine bones

Esophagus in This Animal is Voluntary as Far as the Base of Heart: Dog, Cat

Esophagus in This Animal is Easily Dilatable and Voluntary Throughout: Horse

Esophagus in This Animal is Voluntary Till Last Few Inches Near Cardia: Ruminants (e.g., cattle, sheep, goats)

Esophagus in This Animal is Voluntary Throughout: Dog

Constricted Mucous Glands at Ventral Aspect of Dog Esophagus: Glands of Lushka

Parts of Ruminant Stomach (and Other Terms): Rumen, Reticulum, Omasum, Abomasum

Compartments of Proventriculi in Ruminant’s Stomach: No true proventriculus in ruminants (they have four stomach compartments)

Lining Epithelium of Proventriculi: Simple columnar epithelium

The Atrium Ventriculi of Stomach is Situated at the Vertebral Extremities of What Ribs?: Ribs 7-9

Stomach Part in Ruminant that Occupies Most of the Left Half of Abdominal Cavity: Rumen

3 Variations in the Form of Mucus Mem of Rumen: Papillary, Smooth, and Convoluted mucosa

Anterior and Smallest of the Non-Glandular Stomach: Reticulum

Stomach Part in Ruminant in Which the Greater Part Lies on the Left Side: Rumen

Stomach Part in Ruminant that Lies Chiefly on the Right Side of the Midline: Omasum

Stomach Part in Ruminant Which is an Elongated Sac: Abomasum

Proper Order of the Spiral Course of Esophageal Groove: Reticulum → Omasum → Rumen

Animal with 70 Feet Small Intestine: Horse

Animal with Diverticulum Duodeni: Pig

Animal with 130 Feet Small Intestine: Elephant

Animal with 80 Feet Small Intestine: Horse

Animal with 60 Feet Small Intestine: Cow

Animal with 13 Feet Small Intestine: Dog

Length of Caecum in Horse: 1.2-1.5 meters

Length of Colon in Horse: 3 meters

Length of Small Colon in Horse: 2 meters

Number of Taenia and Haustra in Small Colon of Horse: 4 Taenia, 3 Haustra

Animal with Ampulla Recti: Dog

Parts of Colon in Ox and Sheep: Ascending, Transverse, Descending (Colon in ruminants)

Liver in This Animal Has No Gall Bladder: Horse, Deer, Camel

Liver in This Animal is Not Divided into Lobes: Horse

The Caudate Process of the Liver is Not Visible from Parietal Surface in This Animal: Dog

Parenchyma of the Liver Has Morocco Leather Appearance in This Animal: Ruminants (Cattle, Sheep)’

Parietal Surface of the Liver is Extremely Convex in This Animal: Horse

Pancreas in This Animal Has Dorsal and Ventral Ducts: Dog

Pancreas in This Animal is Quadrilateral Shape: Pig

In Pancreas of This Animal, Only Ventral Duct Persist: Dog

Pancreas in This Animal is Triradiate Shape: Horse

Spleen in This Animal is Triangular Shape: Pig

Spleen in This Animal is Elongated with Thin Rounded Extremities: Dog

Spleen in This Animal is Strap-like with Long Hilus: Horse

Spleen in This Animal is Falciform, Long and Narrow: Ruminants (Cattle, Sheep)

Soft Palate in This Animal is Long, Precluding Oral Breathing and Vomiting: Horse

Soft Palate in This Animal Has Bean-shaped Circumscribed Tonsil in Sinus: Dog

Soft Palate in This Animal Has Medial Prolongations Called Uvula: Humans

Soft Palate in This Animal Has Fusiform Tonsil in Sinus: Dog

Hard Palate in This Animal is Divided into 2 Portions by Central Raphe: Dog

Animal with Dental Pad and Rugae is Serrated: Ruminants (e.g., Cattle, Sheep)

Rugae of Hard Palate is Not Serrated in: Horses

Hard Palate in This Animal is Long and Narrow and Equal in Length Throughout: Horse

Hard Palate in This Animal is Widest About the 4th Cheek Tooth: Pig