AVS 3011 - Lab 3 - Pig GI Tract (Monogastric)

A set of vocabulary flashcards derived from lecture notes on the pig GI tract focusing on monogastric digestion.

Digestive tract

Essentially a hollow tube that extends from the mouth to the anus.

Digestion

The breakdown process of food.

Absorption

The process of crossing intestinal epithelium and entering blood.

Prehension

The seizing and conveying of food into the mouth.

Mastication

The mechanical reduction of the size of ingested food particles by grinding.

Tongue

A muscular organ that moves food mass around the mouth and into the esophagus.

Salivary glands

Three pairs of well-defined glands that produce saliva.

Pharynx

The common passageway for food and air, opens into oral and nasal cavities.

Deglutition

The act of swallowing food.

Esophagus

Muscular tube connecting the mouth to the stomach.

Muscular sac-like organ

Stomach, where food is mixed with gastric juices.

Cardiac sphincter

Prevents reflux into the esophagus.

Fundus

Dome-shaped portion of the stomach where gastric glands are located.

Antrum

Constricted part of the stomach that joins with the small intestine.

Rugae

Ridges inside of the stomach that increase surface area for enzyme action.

Chyme

Partially digested liquified food that leaves the stomach.

Pancreas

An organ that has both endocrine and exocrine functions.

Insulin

Hormone produced by the pancreas that regulates blood sugar levels.

Bile

A greenish-yellow solution produced by the liver that aids in fat digestion.

Cecum

Blind-ended pouch at the junction of the small intestine and large intestine.

Haustra

Sacculations in the colon that promote microbial digestion.

Rectum

The portion of the digestive tract that stores feces before elimination.

Anus

The terminal opening of the digestive tract.

Lymph nodes

Structures associated with immunity found along the gastrointestinal tract.

Gallbladder

An organ that stores bile produced by the liver.

Spleen

A lymphatic organ involved in immune function.

Mesentery

A fold of membrane holding the intestines in place.

Serosa

Outer layer of the intestine, continuous with the mesentery.