Microscopy Flashcards

1
Q

It is the technical field of using microscopes to view samples and objects that cannot be seen with the unaided eye

A

Microscopy

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2
Q

It is an instrument that is used to observe small objects and even cells.

A

Microscope

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3
Q

What are the different types of microscopes?

A

Monocular, binocular ,trinocular, simple ,compound

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4
Q

Why are there Different types of microscopes?

A

Depends on the number of ocular lenses

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5
Q

Who invented the first light microscope in the 1590s?

A

zacharias janssen

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6
Q

He helped and worked with Zacharias and he is also his father.

A

Hans Janssen

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7
Q

What is the work of zacharias and Hans back in their time?

A

Ocular scientist , eyeglass maker, spectacle maker

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8
Q

This terminology increase an objects apparent size.

A

Magnification

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9
Q

It has the power to show details clearly.

A

Resolution

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10
Q

This lens that is attached to the upper end of the microscope. It magnifies the image formed by the objectives it is marked 5x or 10x.

A

Ocular Lenses

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11
Q

The most important of the optical parts. Commonly there are three or four of these on a microscope.

A

Objective Lenses

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12
Q

This Objective lens is usually marked four times and can see through the specimen on a birds view.

A

Scanner

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13
Q

This objective lens is always marked 10x, it has a yellow band on the lens. It shows the structure of the specimen.

A

LPO

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14
Q

This objective has a blue band on its lenses it is marked 40x. it shows the detailed structure of the specimen.

A

HPO

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15
Q

It is mark 100 times, has a white band and uses cedar oil.

A

OIO

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16
Q

What oil is used and drop and place on this specimen on the oil immersion objective?

17
Q

It collects and reflects light from an external light source up into the microscope.

18
Q

this part of the microscope holds the mirror.

A

Mirror Rack

19
Q

It is consists of a condensing lens that directs the maximum amount of light upon an object.

20
Q

It is a flat disc located beneath the condenser.

A

Iris Diaphragm

21
Q

It is the platform where the slide is placed.

22
Q

it is used to hold the slide with the specimen in place.

A

Stage clip

23
Q

this is the part of the microscope that brings the object into focus so that the view of the specimen appears sharp and clear.

A

Adjustment knobs

24
Q

what are the two types of adjustment knobs?

A

coarse and fine

25
this is a big round knob used to focus the specimen at LPO.
coarse
26
this is a small round knob used to focus the specimen at HPO.
fine
27
this is the part of the microscope where the objectives are attached and enables them to be positioned in the desired place.
revolving nosepiece
28
this is the top part of the revolving nosepiece that protects the objectives from dust.
dust shield
29
this part of the microscope anchors the microscope firmly on the table.
base
30
it is a mechanism mounted on the stage that holds and moves this microscope slide.
mechanical stage
31
How to handle a microscope?
hold the arm, support the base
32
What are the steps in using the microscope?
there are 9.