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Questions and Answers
What are the three main sources from which the fat stored within adipocytes is derived?
What are the three main sources from which the fat stored within adipocytes is derived?
What determines the rate of fat deposition and utilization within adipose tissue?
What determines the rate of fat deposition and utilization within adipose tissue?
Where is white adipose tissue 'unilocular' primarily distributed in the body?
Where is white adipose tissue 'unilocular' primarily distributed in the body?
What is the main function of adipose tissue in the body?
What is the main function of adipose tissue in the body?
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What type of blood supply does adipose tissue generally have?
What type of blood supply does adipose tissue generally have?
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Study Notes
Sources of Fat in Adipocytes
- Fat stored in adipocytes primarily comes from dietary intake, de novo lipogenesis (conversion of carbohydrates to fat), and re-esterification (re-formation of triglycerides from free fatty acids and glycerol).
Factors Influencing Fat Deposition and Utilization
- The rate of fat deposition and breakdown within adipose tissue is influenced by hormonal signals (insulin, glucagon), energy balance (caloric intake vs. expenditure), and enzyme activity (lipoprotein lipase, hormone-sensitive lipase).
Distribution of White Adipose Tissue
- White adipose tissue is primarily distributed in subcutaneous areas (under the skin), around internal organs (visceral fat), and within bone marrow.
Functions of Adipose Tissue
- Main functions include energy storage, insulation to maintain body temperature, cushioning for organs, and endocrine roles by secreting hormones like leptin and adiponectin, which regulate metabolism and appetite.
Blood Supply in Adipose Tissue
- Adipose tissue generally has a rich blood supply, which is essential for delivering nutrients, hormones, and oxygen, as well as facilitating the removal of metabolic waste.
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Description
Test your knowledge of adipose tissue with this quiz. Explore the functions and characteristics of adipocytes, the sources of fat storage, and their distribution in the body.
