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**Human Cheek Epithelial Cells: Approximating Cell Size** The image provided shows human cheek epithelial cells under a microscope. The accompanying question prompts us to deduce their approximate cell size. ### Visual Description: In the image, several human cheek epithelial cells have been stained and magnified for better visibility. The sample is viewed through a microscope, depicted by a circular field of view. ### Diagram Explanation: - **Field of View Diameter**: The diameter of the circular field of view is labeled as 240 micrometers (μm). - **Cells**: The cells appear as polygonal shapes with prominent nuclei stained darker in the center, surrounded by lighter-stained cytoplasm. ### Estimating Cell Size: By observing the number of cells that fit across the diameter of the field of view, we can approximate their size. In this case, approximately three to four cells span the diameter of 240 μm. Given this information, the approximate size of each cell can be calculated as follows: - If three cells span across 240 μm, each cell is about 240 μm / 3 ≈ 80 μm in size. - If four cells span across 240 μm, each cell is about 240 μm / 4 ≈ 60 μm in size. Thus, the average size of these human cheek epithelial cells is estimated to be in the range of 60 to 80 micrometers. This observation aligns with typical epithelial cell sizes, showcasing how microscopy can be used to study cell dimensions and morphology effectively.

**Human Cheek Epithelial Cells: Approximating Cell Size** The image provided shows human cheek epithelial cells under a microscope. The accompanying question prompts us to deduce their approximate cell size. ### Visual Description: In the image, several human cheek epithelial cells have been stained and magnified for better visibility. The sample is viewed through a microscope, depicted by a circular field of view. ### Diagram Explanation: - **Field of View Diameter**: The diameter of the circular field of view is labeled as 240 micrometers (μm). - **Cells**: The cells appear as polygonal shapes with prominent nuclei stained darker in the center, surrounded by lighter-stained cytoplasm. ### Estimating Cell Size: By observing the number of cells that fit across the diameter of the field of view, we can approximate their size. In this case, approximately three to four cells span the diameter of 240 μm. Given this information, the approximate size of each cell can be calculated as follows: - If three cells span across 240 μm, each cell is about 240 μm / 3 ≈ 80 μm in size. - If four cells span across 240 μm, each cell is about 240 μm / 4 ≈ 60 μm in size. Thus, the average size of these human cheek epithelial cells is estimated to be in the range of 60 to 80 micrometers. This observation aligns with typical epithelial cell sizes, showcasing how microscopy can be used to study cell dimensions and morphology effectively.

Human Anatomy & Physiology (11th Edition)
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Human Cheek Epithelial Cells: Approximating Cell Size** The image provided shows human cheek epithelial cells under a microscope. The accompanying question prompts us to deduce their approximate cell size. ### Visual Description: In the image, several human cheek epithelial cells have been stained and magnified for better visibility. The sample is viewed through a microscope, depicted by a circular field of view. ### Diagram Explanation: - **Field of View Diameter**: The diameter of the circular field of view is labeled as 240 micrometers (μm). - **Cells**: The cells appear as polygonal shapes with prominent nuclei stained darker in the center, surrounded by lighter-stained cytoplasm. ### Estimating Cell Size: By observing the number of cells that fit across the diameter of the field of view, we can approximate their size. In this case, approximately three to four cells span the diameter of 240 μm. Given this information, the approximate size of each cell can be calculated as follows: - If three cells span across 240 μm, each cell is about 240 μm / 3 ≈ 80 μm in size. - If four cells span across 240 μm, each cell is about 240 μm / 4 ≈ 60 μm in size. Thus, the average size of these human cheek epithelial cells is estimated to be in the range of 60 to 80 micrometers. This observation aligns with typical epithelial cell sizes, showcasing how microscopy can be used to study cell dimensions and morphology effectively.
Transcribed Image Text:**Human Cheek Epithelial Cells: Approximating Cell Size** The image provided shows human cheek epithelial cells under a microscope. The accompanying question prompts us to deduce their approximate cell size. ### Visual Description: In the image, several human cheek epithelial cells have been stained and magnified for better visibility. The sample is viewed through a microscope, depicted by a circular field of view. ### Diagram Explanation: - **Field of View Diameter**: The diameter of the circular field of view is labeled as 240 micrometers (μm). - **Cells**: The cells appear as polygonal shapes with prominent nuclei stained darker in the center, surrounded by lighter-stained cytoplasm. ### Estimating Cell Size: By observing the number of cells that fit across the diameter of the field of view, we can approximate their size. In this case, approximately three to four cells span the diameter of 240 μm. Given this information, the approximate size of each cell can be calculated as follows: - If three cells span across 240 μm, each cell is about 240 μm / 3 ≈ 80 μm in size. - If four cells span across 240 μm, each cell is about 240 μm / 4 ≈ 60 μm in size. Thus, the average size of these human cheek epithelial cells is estimated to be in the range of 60 to 80 micrometers. This observation aligns with typical epithelial cell sizes, showcasing how microscopy can be used to study cell dimensions and morphology effectively.
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