Microscopy Flashcards

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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?

A

Cedar Oil

17
Q

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

A

Mirror

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.

A

Condenser

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.

A

Stage

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
Q

this is a big round knob used to focus the specimen at LPO.

A

coarse

26
Q

this is a small round knob used to focus the specimen at HPO.

A

fine

27
Q

this is the part of the microscope where the objectives are attached and enables them to be positioned in the desired place.

A

revolving nosepiece

28
Q

this is the top part of the revolving nosepiece that protects the objectives from dust.

A

dust shield

29
Q

this part of the microscope anchors the microscope firmly on the table.

A

base

30
Q

it is a mechanism mounted on the stage that holds and moves this microscope slide.

A

mechanical stage

31
Q

How to handle a microscope?

A

hold the arm, support the base

32
Q

What are the steps in using the microscope?

A

there are 9.