The Ileum and Jejunum Are Suspended by Folds of the Peritoneum

question 10

Multiple Choice

The ileum and jejunum are suspended by folds of the peritoneum that contain an extensive vascular and nervous network. What are these folds called?

• A)Ligament of Treitz
• B)Mesentery
• C)Auerbach folds
• D)Lamina propria

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Definitions:

Genes

Units of hereditary information composed of DNA. Genes help cells to reproduce themselves and manufacture the proteins that maintain life.

Myelin Sheath

A protective, fatty layer that surrounds the axons of many neurons, facilitating faster transmission of electrical impulses.

Axons

Long, slender projections of nerve cells that transmit electrical impulses away from the neuron's cell body.

Nerve Impulses

Electrical signals that travel along nerve fibers, enabling communication between the brain and different parts of the body.