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BIO-168-1903 > Histology > Flashcards

Histology Flashcards

1
Q

Function of our major tissue type; Epithelial tissue?

A
  • Lines all our body cavities and hollow organs.
    -Major tissue in glands
  • Protection
  • Secretion
  • Absorption
  • Excretion
  • Filtration
  • Diffusion
  • Sensory reception
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2
Q

Function of our major tissue type; Connective tissue?

A
  • Supports, protects, and gives structure to other tissues and organs in the body.
  • Stores fat
  • Moves nutrition btw tissues and organs
  • helps repair damaged tissue.
  • delivers oxygen
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3
Q

Function of our major tissue type; Muscle tissue?

A
  • Movement
  • Maintain body posture and position
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4
Q

Function of our major tissue type; Nervous tissue?

A
  • receive stimuli and send signals to the brain and spinal cord.
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5
Q

2 types of Nervous tissue?

A
  1. Neurons
  2. Neuroglia
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6
Q

3 types of Muscular tissue?

A
  1. Skeletal tissue
  2. Cardiac tissue
  3. Smooth tissue
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7
Q

2 types of Epithelial tissue?

A
  1. Proper epithelium
  2. Glandular epithelium
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8
Q

4 types of Connective tissue?

A
  1. Proper
    2.Cartilage
  2. Bone
  3. Blood
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9
Q

Function of neurons?

A

Generate & conduct electrochemical nerve impulses

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10
Q

Function of Neuroglial?

A

Provides support, insulation, protection, and tethering neurons to blood vessels.

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11
Q

What do Skeletal tissues look like? Vol or Invol?

A

Long multinucleate parallel cells, striated & voluntary.

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12
Q

What do Cardiac tissues look like? Vol or Invol?

A

One nucleus per cell, striated w/ intercalated disks and involuntary.

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13
Q

What do Smooth tissues look like? Vol or Invol?

A

Short tapered cells, no striations and involuntary.

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14
Q

What do Smooth tissues form around?

A

Lines the walls of blood vessels and hollow organs.

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15
Q

Type of tissue are cell junctions associated with?

A

Epithelial cells

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16
Q

Function of Tight Junctions?

A

-Forms a barrier to move molecules or ions btw epithelial cells.

  • Allows tight regulation of what is absorbed or secreted.
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17
Q

Function of Desmosomes?

A
  • Mechanically binned epithelial cells together.
  • Extend into the cytoplasm of adjacent cells.
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18
Q

Function of Gap Junctions?

A
  • Connect cells allowing intercellular communication.
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19
Q

Synovial function?

A

Acts as a lubricate around freely moving joints.

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20
Q

What are synovial membranes made up of?

A

Connective tissue

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21
Q

What are the two types of wound healing?

A
  1. Primary union (primary intention): small gap
  2. Secondary union (secondary intention): Large gap
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22
Q

The two molecules that form the majority of ground substance within connective tissue are?

A

1.hyaluronic acid
2. proteoglycans

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23
Q

Mesenchyme is known as what type of tissue?

A

Embryonic connective tissue

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24
Q

Vascular?

A

Blood flow

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25
Where is simple squamous epithelium found?
1. The inner lining of the heart and blood vessels 2. Lining the air sacs of the lungs 3. Serous membranes of the viscera
26
What produces redness and heat in inflammation?
Dilation of blood vessels
27
Holocrine glands release Blank______.
whole cells
28
Indicate functions of connective tissue in the body.
- Attachment of one tissue to another - Lends support - Storage of high-energy molecules and minerals. - Transport of nutrients, gases, enzymes and hormones.
29
Which connective tissue cell secretes histamine and heparin?
Mast cells
30
What type of matrix is found in mesenchyme?
Semi-fluid
31
Indicate the type of epithelium that is best suited for allowing diffusion of substances, as would be found lining the air sacs of the lungs.
Simple squamous
32
Storing fats is a function of a Blank______ tissue
connective
33
What is the substance occupying the spaces between cells and fibers within connective tissue called?
Ground substance
34
Exocrine glands that have a single unbranched duct are classified as Blank______ exocrine glands.
simple
35
What glands release bits of apical cytoplasm from secretory cell surfaces?
Apocrine
36
Mesenchyme is known as what type of tissue?
Embryonic connective tissue
37
Where is simple squamous epithelium found?
- Lining the air sacs of the lungs - Serous membranes of the viscera - The inner lining of the heart and blood vessels
38
What type of exocrine gland's secretory cells use vesicles to release their secretion by exocytosis?
Merocrine
39
Mast cell
- Releases chemicals in response to injury
40
Macrophage
- Ingests foreign and injured cells
41
Adipocytes
Store lipids
42
Fibroblasts
Form fibrous connective tissue
43
Chondroblast
Produce cartilage
44
Osteocytes
Maintain bone
45
Osteoclasts
Break down bone
46
Glands that are classified as Blank______ glands release bits of apical cytoplasm from secretory cell surfaces, releasing the secretion.
apocrine
47
Embryonic connective tissue is called
Mesenchyme
48
Three types of cartilage are Blank______.
hyaline, fibrocartilage, and elastic
49
List the three major types of tissue membranes.
Mucous Serous Synovial
50
What epithelium type resists abrasion and prevents entrance of pathogens into underlying tissue?
Stratified squamous epithelium
51
What cell is a mucus-secreting gland cell found in the epithelia of many mucous membranes?
Goblet
52
Mammary glands are examples of Blank______ glands.
apocrine
53
What type of exocrine gland has the secretory cells form a dilated sac?
Acinar
54
Which type of epithelium prevents body water loss?
Stratified squamous
55
The component of ground substance that forms a slippery tissue gel and thus functions as a lubricant is called Blank______.
hyaluronic acid
56
Acinar describes the Blank______ of a gland.
secretory portion
57
A long, unbranched polysaccharide chain found in the ground substance that acts a lubricating agent is called -------- acid.
hyaluronic
58
A compound acinar gland has Blank______ duct(s).
multiple
59
Cells Blank______ part of the extracellular matrix of connective tissues.
are not
60
Indicate the three components of extracellular matrix.
Protein fibers Fluid Ground substance
61
Identify the effects of chemical mediators released during the inflammatory response. Select all that apply.
Dilation of blood vessels Increased capillary permeability
62
What is the substance occupying the spaces between cells and fibers within connective tissue called?
Ground substance
63
Match the type of cartilage to its location.
Hyaline: Tip of nose Elastic: Frame of ear Fibrocartilage: Between vertebrae
64
Simple glands are Blank______ glands.
multicellular
65
What is the function of the basement membrane?
To guide migration during tissue repair
66
Which cells are found in the dermis?
Macrophages and fibroblasts
67
The secretion called---------- is composed of the combined secretions of ceruminous glands and sebaceous glands.
cerumen, earwax, or wax
68
Identify the layer associated with the integument that is avascular.
Epidermis
69
Select all of the components of the dermis.
Nerve fibers Glands Fibers Blood vessels
70
Indicate the statements that describe cerumen.
Waxy secretion Produced by sebaceous glands Produced by ceruminous glands
71
The layer of skin associated with most of the strength of skin is the
dermis
72
Indicate the areas that contain eccrine sweat glands.
Axillae Palms Soles
73
If your patient had very low levels of vitamin D, what would you expect to find?
A lower than normal concentration of calcium and phosphate in the blood A higher than normal concentration of calcium in the urine

BIO-168-1903 (11 decks)

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