what is the name of the TISSUE TYPE (entire bracketed area) at the end of the arrow for letter D? D1) What is the FUNCTION of the TISSUE TYPE?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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what is the name of the TISSUE TYPE (entire bracketed area) at the end of the arrow for letter D?

D1) What is the FUNCTION of the TISSUE TYPE?

**Histological Image of Intestinal Villi**

This image displays a histological section of intestinal villi, which are small, finger-like projections extending into the lumen of the small intestine. Here is a detailed explanation of each labeled part:

- **A (Epithelium):** The outer layer of cells covering the villi, responsible for nutrient absorption.
  
- **B (Lamina Propria):** The connective tissue core of the villus, containing blood vessels and lymphatics for transporting absorbed nutrients.
  
- **C (Goblet Cells):** Secrete mucus to lubricate the intestinal lining and facilitate the passage of food.

- **D (Crypts of Lieberkühn):** Tubular glands located at the base of the villi, involved in secreting intestinal juices and new cell production.

- **E (Muscularis Mucosae):** A thin layer of muscle fibers found at the base of the villi, aiding in slight movements of the mucosal surface to help with digestion.

- **F (Submucosa):** The layer beneath the muscularis mucosae, consisting of connective tissue, blood vessels, and nerves, supporting the mucosa and serving various functional roles.

This image is crucial for understanding the structure and function of the small intestine in nutrient absorption.
Transcribed Image Text:**Histological Image of Intestinal Villi** This image displays a histological section of intestinal villi, which are small, finger-like projections extending into the lumen of the small intestine. Here is a detailed explanation of each labeled part: - **A (Epithelium):** The outer layer of cells covering the villi, responsible for nutrient absorption. - **B (Lamina Propria):** The connective tissue core of the villus, containing blood vessels and lymphatics for transporting absorbed nutrients. - **C (Goblet Cells):** Secrete mucus to lubricate the intestinal lining and facilitate the passage of food. - **D (Crypts of Lieberkühn):** Tubular glands located at the base of the villi, involved in secreting intestinal juices and new cell production. - **E (Muscularis Mucosae):** A thin layer of muscle fibers found at the base of the villi, aiding in slight movements of the mucosal surface to help with digestion. - **F (Submucosa):** The layer beneath the muscularis mucosae, consisting of connective tissue, blood vessels, and nerves, supporting the mucosa and serving various functional roles. This image is crucial for understanding the structure and function of the small intestine in nutrient absorption.
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