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Adipocyte Types: White vs Brown Cells

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Questions and Answers

What distinguishes the shape of unilocular adipocytes from multilocular adipocytes?

Multilocular are fat droplets while unilocular are solid

Unilocular are smaller and more rounded

Shape is not significantly different

Unilocular are large and ovoid (correct)

Where are multilocular adipocytes predominantly found?

In fetuses and newborns (correct)

Around the kidney

In adult humans

In subcutaneous tissue

What is the primary function of unilocular adipocytes?

Synthesis and storage of fat (correct)

Heat generation

Production of hormones

Regulation of blood pressure

Which of the following is a feature exclusive to multilocular adipocytes?

<p>Numerous mitochondria surrounding fat droplets</p> Signup and view all the answers

Which anatomical feature of unilocular adipocytes is described as having a signet ring appearance?

<p>Cytoplasm containing a large single fat droplet</p> Signup and view all the answers

Study Notes

Unilocular Adipocyte (White)

Found in subcutaneous tissue, around blood vessels and kidney.
Large ovoid or oval in shape.
Contains a single large fat droplet, pushing the cytoplasm and nucleus peripherally.
The cytoplasm appears thin and the nucleus flattened when viewed under a light microscope.
Stains orange with Sudan III stain.
Electron microscopy reveals large lipid droplets and few cell organelles around the nucleus.
Responsible for synthesis and storage of fat.
Provides supporting function, for example around the kidney.

Multilocular Adipocyte (Brown)

Located in fetuses and newborns.
Present in adults but in small amounts.
Smaller than white adipocytes.
Contains multiple fat droplets within the cytoplasm.
The nucleus is centrally located and rounded.
Electron microscopy reveals numerous mitochondria surrounding the fat droplets and few other organelles.
Primary function is heat generation.

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Description

Explore the differences between unilocular (white) and multilocular (brown) adipocytes in this informative quiz. Learn about their shapes, functions, and microscopic characteristics. Discover their roles in fat storage and heat generation.