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Ch. 20 The Lymphatic System and Immunity
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814당신이 사용하는 게 아니라요?교과서 변경
20장, 문제 2c

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
Fat-containing lymph from the intestines drains into the cisterna chyli.

검증된 단계별 안내
1
Step 1: Understand the anatomy and physiology of the lymphatic system, specifically the role of the cisterna chyli. The cisterna chyli is a sac-like structure located in the abdomen that serves as a major lymphatic drainage point, collecting lymph from the lower limbs, pelvis, and intestines.
Step 2: Recognize the role of fat-containing lymph, also known as chyle. Chyle is lymph that contains absorbed fats from the intestines, transported via specialized lymphatic vessels called lacteals.
Step 3: Confirm the pathway of chyle. Fat-containing lymph from the intestines is transported through the lacteals and eventually drains into the cisterna chyli before entering the thoracic duct.
Step 4: Evaluate the statement provided. Based on the anatomy and physiology of the lymphatic system, the statement 'Fat-containing lymph from the intestines drains into the cisterna chyli' is true.
Step 5: If the statement were false, the correction would involve identifying the correct structure where fat-containing lymph drains. However, in this case, the statement is accurate and does not require correction.

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주요 개념

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Lymphatic System

The lymphatic system is a network of vessels and organs that helps maintain fluid balance, absorb fats from the digestive system, and support immune function. It transports lymph, a fluid containing infection-fighting white blood cells, throughout the body. Understanding its structure and function is crucial for interpreting how lymph, particularly fat-containing lymph, is processed.
추천 영상:
3:57
Functions of the Lymphatic System

Cisterna Chyli

The cisterna chyli is a dilated sac located at the lower end of the thoracic duct, serving as a major collecting point for lymph from the lower body and intestines. It plays a vital role in the transport of chyle, which is a milky fluid consisting of fat droplets and lymph. Recognizing its function helps clarify the pathway of fat absorption and lymph drainage.
추천 영상:
3:27
Lymphatic Ducts

Chyle

Chyle is a fluid consisting of lymph and emulsified fats that is formed in the intestines during digestion. It is transported through the lymphatic system and eventually enters the bloodstream via the thoracic duct. Understanding chyle is essential for grasping how dietary fats are absorbed and processed in the body, particularly in relation to the cisterna chyli.