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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

A

Collagen

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
Q

1) Fixative and
2) Stain for acid mucopolysaccharides

A

1) Lead fixatives
2) Alcian blue

26
Q

Brittle bone disease
Defective production of collagen

A

Osteogenesis Imperfecta (OI)

27
Q

is a deposit found in connective tissues that appears:
Early: yellow
Old: blue

A

Fibrin

28
Q

Stains used for fibrin

A

1) Mallory’s PTAH (Phosphotungstic Acid-Hematoxylin)
2) Lendrum MSB (Martius yellow, Scarlet, Blue)

29
Q

Necrotizing vasculitis
Staining reactions identical to fibrin
Mixture of exudates & altered cytoplasmic constituents

A

Fibrinoid

30
Q

Degenerated collagen
Refers to deposits found in connective tissues of patients with:
-hypertension
-atheroma
-diabetic kidney

A

Hyaline

31
Q

Stain for hyaline

A

Periodic acid-Schiff (PAS)

32
Q

Stains for amyloid
“CoMT”

A

-Congo red
-Metachromatic stain
-Thioflavine

33
Q

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.

A

Amyloid

34
Q

Types of muscle tissues

A
  1. Smooth
  2. Cardiac
  3. Skeletal
35
Q

ex. Involuntary intestines, blood vessels

A

Smooth muscle

36
Q

Striated, voluntary muscles

A

Skeletal muscle

37
Q

Striated, involuntary

A

Cardiac (heart) muscle

38
Q

CNS includes:

A

Brain and spinal cord

39
Q

PNS includes

A

Peripheral nerves

40
Q

Special receptors are located in:

A

Ears, eye, nose

HISTOPATHOLOGIC TECHNIQUES (8 decks)

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