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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Question

Transcribed Image Text:Recall that while FOVS will change with changing objectives, the size of the organism itself does
not change. Consider the next example.
Example #1
Polyp
Objective: 40x
Example #2
Polyp
blObjective: 10x
Example #3
Polyp
Objective: 4x
Field of view: 500 µm
Field of view: 2000 µm
Field of view: 5000 µm
Estimated # of
Estimated # of
Estimated # of
organisms that fit
organisms that fit
organisms that fit
across the FOV: 1
Approximate size of
organism:
500μm/ 1 = 500 μm
across the FOV: 4
across the FOV: 10
Approximate size of
organism:
2000µm/ 4 = 500 µm
Approximate size of
organism:
5000μm/ 10-500 μm
%3D
The three examples above are of the same jellyfish polyp, but at varying objectives.
What is the size of the polyp at the 40x objective?
10x?
4x?
Which objective visualizes the polyp best?
Which objective would be best used to estimate organism size with?
Expert Solution

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A microscope is an instrument which is used to visualise microscopic images which are otherwise not visible to the naked eyes.
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