Chapter 4: Tissue Level of Organization Flashcards

1
Q

What is a group of cells performing similar functions?

A

Tissues

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2
Q

What is the study of tissues?

A

Histology

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3
Q

List the four types of tissues in the body and their purpose.

A
  1. Epithelial
    - covers, lines, glands
  2. Connective
    - binds, supports, ECM
  3. Muscle
    - movement
  4. Nervous
    - communication
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4
Q

In the epithelium, what are the 3 surface layers in order?

A

Apical, lateral, basal

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5
Q

T/F. The epithelial layer has blood vessels, while the connective tissue does not.

A

False. The epithelial layer has no blood vessels, while the connective tissue does.

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6
Q

The basement membrane attaches to which tissue?

A

Connective Tissue

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7
Q

Attachment, Avascularity, and Innervation are all characteristics of which tissue?

A

Epithelial Tissue

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8
Q

List characteristics of the epithelial tissue.

A
  • physical protection
  • selective permeability
  • secretions
  • sensations
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9
Q

Which two ways is epithelia classified?

A
  1. Number of layers
  2. Shape of cells
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10
Q

How many cell layers are in simple epithelium vs. stratified epithelium?

A

Simple: single layer

Stratified: 2+ layers

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11
Q

Which epithelium consists of all cells at the basement membrane?

A

Pseudostratified

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12
Q

What are the 3 epithelial cell shapes and their characteristics?

A
  1. Squamous: flat, wide, nucleus flat
  2. Cuboidal: tall as wide, nucleus center, “cube”
  3. Columnar: taller than wide, nucleus basal, “column”
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13
Q

Identify the cell structure, function, and location.

A

Structure: simple squamous

Function: rapid diffusion

Location: alveoli (gas exchange), capillaries, visceral layer

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14
Q

Identify the cell structure, function, and location.

A

Structure: cuboidal

Function: absorption, secretion

Location: thyroid, kidneys, glands

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15
Q

Identify the cell structure, function, and location.

A

Structure: nonciliated simple columnar with microvilli

Function: absorption

Location: digestive tract

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16
Q

Identify the cell structure, function, and location.

A

Structure: ciliated simple columnar

Function: movement of mucus, oocyte

Location: bronchioles, uterine tube

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17
Q

Identify the cell structure, function, and location.

A

Structure: ciliated pseudostratified columnar

Function: movement

Location: respiratory tract

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18
Q

Identify the cell structure, function, and location.

A

Structure: nonkeratinized stratified squamous

Function: protect against abrasion

Location: inside the body

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19
Q

Identify the cell structure, function, and location.

A

Structure: keratinized stratified squamous

Function: protection against abrasion

Location: outside of the body

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20
Q

Identify the cell structure, function, and location.

A

Structure: stratified cuboidal

Location: absorption, secretion

Function: sweat glands

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21
Q

Identify the cell structure, function, and location.

A

Structure: stratified columnar

Function: secretion

Location: salivary glands, part of male urethra

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22
Q

Identify the cell structure, function, and location.

A

Structure: transitional (relaxed= cuboidal, stretched= squamous)

Function: distention

Location: ureters, bladder, part of male urethra

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23
Q

What is the function of squamous cells primarily?

A

Rapid diffusion

24
Q

What is the primary function of cuboidal cells?

A

Absorption and secretion

25
What is the primary function of columnar cells?
Absorption and secretion
26
Do keratinized cells protect the outside of the body or inside of the body?
Outside of the body
27
Osteo means:
Bone
28
Adipo means:
Fat
29
Fibro means:
Fiber
30
Chondro means:
Cartilage
31
Peri means:
Around
32
Blast means:
Builds, creates
33
Clast:
Breakdown
34
What structure(s) does connective tissue have that epithelial tissue does not?
Extracellular matrix, blood vessels
35
List the three fibers of connective tissue.
1. Collagen (flexible, resistant to stretching, most abundant) 2. Elastic (stretch and recoil) 3. Reticular (thin, packaging)
36
Which are the types of connective tissue proper (loose)?
1. Alveolar 2. Adipose 3. Reticular
37
Identify this type of connective tissue's structure, cell type, fiber type, function, location.
Structure: alveolar Cell type(s): fibroblasts Fiber(s): elastic, collagen Function: packing and attachment Location: subcutaneous skin, surrounds individual nerve and muscle cells, outer layer of blood vessels
38
Identify this type of connective tissue's structure, cell type, fiber type, function, location.
Structure: adipose Cell type(s): adipocyte Fiber(s): Function: cushioning of organs, thermal insulation, long-term storage energy Location: subcutaneous skin, surrounds kidney
39
Identify this type of connective tissue's structure, cell type, fiber type, function, location.
Structure: Reticular Cell type(s): leukocyte Fiber(s): reticular Function: packing and attachment Location: subcutaneous skin, surrounds individual nerve and muscle cells, outer layer of blood vessels
40
Which are the types of connective tissue proper (dense)?
1. Dense regular 2. Dense irregular 3. Elastic
41
Identify this connective tissue. List the cell(s), fiber(s), function, and location.
Structure: dense regular Cell(s): fibroblasts Fiber(s): collagen Function: strength, flexible in single direction (parallel) Location: tendons, ligaments
42
Identify this connective tissue. List the cell(s), fiber(s), function, and location.
Structure: dense irregular Cell(s): fibroblasts Fiber(s): collagen Function: strength in many directions Location: dermis, capsules around organs, outer layer of nerves and muscles
43
Which are the types of supportive connective tissue in cartilage?
1. Hyaline 2. Fibrocartilage 3. Elastic
44
Identify this cartilage tissue. List the cell(s), fiber(s), function, and location.
Structure: Hyaline Cell(s): chondrocytes Fiber(s): Function: smooth surface, supports soft tissue Location: fetal skeleton, articular cartilage, nose/trachea
45
Identify this cartilage tissue. List the cell(s), fiber(s), function, and location.
Structure: Fibrocartilage Cell(s): chondrocytes Fiber(s): collagen Function: resist compression Location: intervertebral discs, pubic symphyses, menisci
46
Identify this cartilage tissue. List the cell(s), fiber(s), function, and location.
Structure: Elastic Cell(s): chondrocytes Fiber(s): elastic Function: structure and shape with flexibility Location: ear, epiglottis
47
Which are the types of supportive connective tissue in bone?
1. Compact 2. Spongy
48
Identify this bone tissue. List the cell(s), fiber(s), function, and location.
Structure: compact bone (osteons, lamellae) Cell(s): Fiber(s): Function: support, protection, levers for skeletal muscle, calcium storage Location: bones
49
Identify this bone tissue. List the function and location.
Structure: spongy bone (bone marrow) Function: compact bone, hemopoiesis Location: middle layer of flat bones, inner layer of long bones
50
Which type of connective tissue is blood?
Fluid connective tissue
51
What does the fluid connective tissue consist of?
Plasma (ECM), Erythrocytes, Leukocytes, Platelets
52
What are the 3 types of muscle tissue?
1. Skeletal 2. Cardiac 3. Smooth
53
Identify this muscle tissue. List the function and location.
Structure: skeletal (striated, nucleated, long) Function: movement of skeleton or skin Location: attached to bones (some skin)
54
Identify this muscle tissue. List the function and location.
Structure: cardiac (y-shaped, striated, intercalated discs) Function: heartbeat Location: myocardium
55
Identify this muscle tissue. List the function and location.
Structure: smooth (non-striated) Function: movement of food, blood, sperm Location: walls of internal organs
56
Identify this tissue. List its function and location.
Structure: nervous tissue (neurons, glial cells) Function: communication, receiving incoming sensory, controls motor movements Location: brain, spinal cord, nerves