MODULE 1 : CYTOLOGY Flashcards

0
Q

A part of slide preparation in which to obtain a rigid consistency of the specimen for sectioning

A

EMBEDDING

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1
Q

A part of Slide preparation to preserve tissue morphology and architecture and prevent cell digestion

A

FIXATION

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2
Q

A part of slide preparation which uses lipid solvent like Benzene or Xylene to remove Alcohol

A

CLEARING

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3
Q

Part of Slide preparation where the tissue is cut for light microscopy or electron microscopy using a microtone

A

SECTIONING

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4
Q

A common type of basic dye used for staining

A

HEMATOXYLIN

BLUE : nucleus; acidic regions of cytoplasm; cartilage matrix

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5
Q

A common type of acidic dye used for staining

A

EOSIN

PINK : basic regions of cytoplasm; collagen fibers

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6
Q

Contains the DNA that encodes the instructions for synthesis of all proteins and enzymes of the cell

A

NUCLEUS

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7
Q

Contains the organelles and inclusions suspended in a fluid medium called CYTOSOL / Principal site of metabolic functions of the cell

A

CYTOPLASM

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8
Q
  • metabolically active
  • internal cellular organs w/ specific funtions
  • essential
  • membrane bound
A

ORGANELLES (compare with INCLUSIONS)

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9
Q
  • metabolically inert
  • accumulation of cell products
  • dispensable
  • not bounded by a membrane
A

INCLUSIONS (compare with ORGANELLES)

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10
Q

Composed of phospholipids and proteins

A

CELL MEMBRANE

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11
Q

Found in the OUTER and INNER SURFACE of cell

A

HYDROPHILIC head portion of lipid (plasma membrane)

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12
Q

found in the MIDDLE portion of plasma membrane

A

HYDROPHOBIC tail portion of lipid

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13
Q

A type of membrane protein which spans the entire width of plasma membrane

A

INTRINSIC PROTEIN

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14
Q

A type of membrane protein which is found in inner or outer surface

A

EXTRINSIC PROTEIN

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15
Q

Carbohydrate chains attached to proteins and/or phospholipid molecules in outer leaflet. Functions for :

  • cell recognition
  • intercellular adhesion
  • Mechanical and Chemical protection for cell membrane
A

GLYCOCALYX

16
Q

Largest organ of the cell and contains the genetic material of the organism

A

NUCLEUS

17
Q

Sequence of three nucleotides that encode a specific amino acid

A

TRIPLET or CODON

18
Q

A sequence which provides the information for the synthesis of a particular protein

A

GENE

19
Q

Discrete bodies containing condensed and tightly coiled chromatin. Found in dividing cells

A

CHROMOSOMES

20
Q

Inactive chromatin in a condensed state

A

HETEROCHROMATIN

21
Q

Active chromatin

A

EUCHROMATIN

22
Q

Site of Ribosomal RNA Synthesis

A

NUCLEOLUS

23
Q
  • synthesis of protein for export from cell

- synthesis of integral protein of the plasma membrane

A

ROUGH ER

24
Q
  • involved in the synthesis of fatty acids and other lipids

- plays a role in the detox and metab of lipid soluble drugs and alcohol

A

SMOOTH ER

25
Q

Involves in packaging, concentrating sorting and membrane synthesis and membrane recycling

A

GOLGI APPARATUS

26
Q

Its principal biochemical activity is oxidative phosphorylation which provides energy for the cell

A

MITOCHONDRIA

27
Q

Digestive organelle of the cell

A

LYSOSOME

28
Q

Contains oxidative enzymes and catalase involved ind etoxification of alcohol, uric acid and toxic drugs

A

PEROXISOME or MICROBODIES

29
Q

Provides structural support and movement for the plasma membrane and cellular organelles.

A

CYTOSKELETON

30
Q

Interact with myosin for muscular contraction

A

MICROFILAMENT

31
Q

Serves as tracts for transport of vesicles and organelles, movement of chromosomes during mitosis

A

MICROTUBULES