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HISTOPATHOLOGIC TECHNIQUES > Types of tissues (Basics of Histo) > Flashcards

Types of tissues (Basics of Histo) Flashcards

Scope: a) Types of germ layers b) Categories of tissues b.1) Epithelium -Covering epithelia -Glandular epithelia b.2. Connective tissues -General connective tissues -Special connective tissues -Deposits found in connective tissues b.3. Muscle tissues b.4. Nervous tissues

1
Q

Support
Framework
Cells are widely separated

A

Connective tissue

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2
Q

Categories of tissues and the germ layer from where they were formed.

A
  1. Epithelial = 3 germ layers
  2. Nervous = endoderm
  3. Muscular = mesoderm
  4. Connective = mesoderm
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3
Q

3 germ layers

A
  1. Ectoderm
  2. Mesoderm
  3. Endoderm
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4
Q

What type of epithelial are Bowman’s, endothelium, alveoli and loop of Henle?

A

Simple squamous epithelium

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5
Q

What type of epithelium are ducts of glands and walls of thyroid follicles?

A

Simple cuboidal epithelium

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6
Q

What type of epithelium are gallbladder (nonciliated) and uterine tube (ciliated)?

A

Simple columnar epithelium

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7
Q

Give body areas where stratified squamous epithelium are found.

A

skin (keratinized),
vagina,
esophagus, and
cervix (non-keratinized)
Give body areas where stratified squamous epithelium are found.

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8
Q

What type of epithelium is male urethra?

A

stratified columnar epithelium

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9
Q

The following are what type of epithelium?
•Female reproductive tract (nonciliated)
•Trachea (ciliated)
•Epididymis

A

Pseudostratified columnar epithelium

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10
Q

Types of covering epithelia

A
  1. Simple squamous
  2. Simple cuboidal
  3. Simple columnar
  4. Stratified squamous
  5. Stratified columnar
  6. Pseudostratified columnar
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11
Q

with ducts
Tubular = stomach, uterus
Acinar/ alveolar = pancreas, salivary glands
Tubuloacinar = prostate

A

Exocrine glands

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12
Q

ductless glands

A

Endocrine glands

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13
Q

Exocrine = enzymes
Endocrine = hormones

A

Pancreas

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14
Q

No loss of cytoplasm
Goblet cells, sweat glands

A

Merocrine

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15
Q

with loss of cytoplasm
Distal portion is pinched off
Mammary glands

A

Apocrine

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16
Q

Disintegrating cell and its constituents released
Complete breakdown of cell
Sebaceous glands

A

Holocrine

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17
Q

Types of Glandular epithelia

A
  1. Endocrine glands
  2. Exocrine glands
18
Q

Based on their secretion method, glands are classified as:

A
  1. Merocrine
  2. Apocrine
  3. Holocrine
19
Q

Major ingredient of connective tissues
Stains: ACRONYM “VgMMAK”
1. Van Gieson
2. Mallory’s aniline blue
3. Masson’s trichrome
4. Alcian Blue
5. Krajian’s aniline blue

20
Q

Stains used for collagen

A

“VgMMAK”

  1. Van Gieson
  2. Mallory’s aniline blue
  3. Masson’s trichrome
  4. Alcian Blue
  5. Krajian’s aniline blue
21
Q

Connective tissue can further be broken down into three categories:

A
  1. Loose connective tissue
  2. Dense connective tissue
  3. Specialized connective tissues
22
Q

The following are which type of connective tissue?
1) Wharton’s jelly (acid MPS)
2) Bone marrow (reticular)
3) Lymph node (reticular)
4) Embryo (mesenchyme)
5) Hypodermis

A

Loose connective tissue

23
Q

The following are which type of connective tissue?
1) Dermis
2) capsule
3) Tendons
4) Stroma of cornea

A

Dense connective tissue

24
Q

Examples of special connective tissue

A

*Cartilage
*Bone
*Blood, lymph, hematopoietic tissues

25
1) Fixative and 2) Stain for acid mucopolysaccharides
1) Lead fixatives 2) Alcian blue
26
Brittle bone disease Defective production of collagen
Osteogenesis Imperfecta (OI)
27
is a deposit found in connective tissues that appears: Early: yellow Old: blue
Fibrin
28
Stains used for fibrin
1) Mallory's PTAH (Phosphotungstic Acid-Hematoxylin) 2) Lendrum MSB (Martius yellow, Scarlet, Blue)
29
Necrotizing vasculitis Staining reactions identical to fibrin Mixture of exudates & altered cytoplasmic constituents
Fibrinoid
30
Degenerated collagen Refers to deposits found in connective tissues of patients with: -hypertension -atheroma -diabetic kidney
Hyaline
31
Stain for hyaline
Periodic acid-Schiff (PAS)
32
Stains for amyloid "CoMT"
-Congo red -Metachromatic stain -Thioflavine
33
refers to deposits found in connective tissues of patients with TB, leprosy, osteomyelitis are a group of proteins that share the common characteristic of the ability to form beta-pleated sheets, which are resistant to proteolysis.
Amyloid
34
Types of muscle tissues
1. Smooth 2. Cardiac 3. Skeletal
35
ex. Involuntary intestines, blood vessels
Smooth muscle
36
Striated, voluntary muscles
Skeletal muscle
37
Striated, involuntary
Cardiac (heart) muscle
38
CNS includes:
Brain and spinal cord
39
PNS includes
Peripheral nerves
40
Special receptors are located in:
Ears, eye, nose

HISTOPATHOLOGIC TECHNIQUES (8 decks)

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