Functions and Features of the Large Intestine

Vocabulary flashcards related to the functions and features of the large intestine according to the provided notes.

Teniae coli

Longitudinal bands of smooth muscle in the large intestine that help form haustra.

Haustra

Series of pouches in the colon that allow it to expand and elongate.

Cecum

The first part of the large intestine, which collects and stores material from the ileum.

Rectum

The final section of the large intestine, used for the temporary storage of feces.

Anus

The opening at the end of the digestive tract through which feces exits the body.

Intrinsic Defecation Reflex

A short reflex that stimulates local peristalsis and relaxes the internal anal sphincter.

Parasympathetic Defecation Reflex

A long reflex that increases peristalsis in the colon and relaxes both the internal and external anal sphincters.

Goblet cells

Cells in the large intestine that secrete mucus to help lubricate the intestinal contents.

Chylomicrons

Large droplets formed from triglycerides, cholesterol, and phospholipids that transport lipids in the lymphatic system.

Osmosis

The passive movement of water across the intestinal epithelium from high to low water concentration, following the absorption of nutrients.