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Bio 2325 > Histology - Connective Tissue > Flashcards

Histology - Connective Tissue Flashcards

1
Q

What is Connective Tissue’s purpose?

A

Provides structural support

Medium for exchange

[metabolic waste, nutrients, oxygen…]

Aids in defense and protection of body

Forms site for fat storage

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2
Q

What are the 3 Loose Connective Tissues?

A

Areolar

Adipose

Reticular

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3
Q

What are the 3 Dense Connective Tissues?

A

Dense Regular

Dense Irregular

Elastic

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4
Q

What are the 3 different Cartilage Tissues?

A

Hyaline

Fibrocarilage

Elastic

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5
Q

Identify

A

Blood Cells

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6
Q

What kind of connective tissue is blood?

A

Fluid Connective Tissue

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7
Q

What does the structure of blood contain?

A

Erythrocytes (Red Blood Cells)

Leukocytes (White Blood Cells)

Platelets (to help clot)

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8
Q

Identify

A

Areolar Connective Tissue

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9
Q

What kind of structures are Areolar Connective Tissues?

A

Fibrous Structures

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10
Q

What is the Areolar Connective Tissue’s function?

A

Surround / Protect tissues and organs

loosley binds epithelia to deeper tissues

provides nerve and blood vessels packing

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11
Q

Elastin is _____

Collagen is not _____

A

Stretchy

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12
Q

Identify

A

Reticular Connective Tissue

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13
Q

What is the Reticular Connective Tissue’s Function?

A

Provides supportive framwork for spleen, lymph nodes, thymous, and bone marrow

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14
Q

What is the Structure of Reticular Connective Tissue?

A

Gel-like

Scattered reticular fibers, fibroblasts, WBC, ECM

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15
Q

Where is Reticular Connective Tissue found?

A

stroma of lymph nodes, spleen, thymus, bone marrow

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16
Q

Identify

A

Adipose Connective Tissue

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17
Q

What is the structure of Adipose Connective Tissues?

A

Closely packed adipocytes (fat cells)

nuclei squeezed to one side

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18
Q

What is the function of Adipose Connective Tissue?

A

Store energy

Protection, cushion, insulation

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19
Q

Where is Adipose Connective Tissue found?

A

Subcutaneous (beneath skin) layer

Covers and surrounds some organs

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20
Q

Identify

A

Dense Regular Connective Tissue

21
Q

What is the structure of Dense Regular Conective Tissue?

A

Densley packed

Parallel collagen fibers

Fibroblast nuclei squeezed between layers

22
Q

What is the function of Dense Regular Connective Tissue?

A

Attaches muscle to bone

Attaches bone to bone

23
Q

Where is Dense Regular Connective Tissue found?

A

Tendons and Ligaments

24
Q

Identify

A

Elastic Connective Tissue

25
Q

What is the structure of Elastic Connective Tissue?

A

Freely branching elastic fibers

26
Q

What is the function of Elastic Connective Tissue?

A

Allows stretching of some organs

27
Q

Where is Elastic Connective Tissue located?

A

Walls of:

Elastic arteries, Trachea, bronchial tubes

suspensory ligaments of penis

Forms TRUE vocal cords

28
Q

Identify

A

Dense Irregular Connective Tissue

29
Q

What is the structure of Dense Irregular Connective Tissue?

A

Predominantly collagen fibers

randomly arranged and clumped together

30
Q

What is the function of Dense Irregular Connective Tissue?

A

To withstand stresses applied in all directions

31
Q

Where is Dense Irregular Connective Tissue located?

A

Dermis

Periosteum covering bone

perichondrium covering cartilage

organ capsules

32
Q

Identify

A

Compact Bone

33
Q

Identify the Arrows

A

1: Canaliculi
2: Central Canal
3: Osteocyte in Lacunae

34
Q

What is the structure of Compact Bone?

A

Calcified matrix arranged around a central canal

35
Q

What is the function of Compact Bone?

A

Supports soft structures

Protects vital organs

Provides levers for movement

Stores calcium and phosphorus

36
Q

Where is the location of Compact Bone?

A

Bones of the body!

37
Q

Identify

A

Hyaline Cartilage

38
Q

What is the structure of Hyaline Cartilage?

A

Glassy ECM

Usually covered by perichondrium

39
Q

What is the function of Hyaline Cartilage?

A

Smooth surfaces for movement fo joints

Model for bone growth

Supports soft tissue

40
Q

Where is Hyaline Cartilage located?

A

Most of fetal skeleton

Ends of long bones

Most of larynx, trachea, and nose

[to keep airways open]

41
Q

Identify

A

Fibrocartilage

42
Q

What is the structure of Fibrocartilage?

A

Parallel collagen fibers in ECM

43
Q

What is the function of Fibrocartilage?

A

Resist compression

Absorbs shock in some joints

44
Q

Where is Fibrocartilage located?

A

Invertebral disks

Pubic symphisis

Minisci of knee joints

45
Q

Identify

A

Elastic Carilage

46
Q

What is the structure of Elastic Cartilage?

A

Abundant elastic fibers that form web-like mesh around lacunae

47
Q

What is the function of Elastic Cartilage?

A

Maintain structure and shape while permitting flexibility

48
Q

Where is the Elastic Cartilage located?

A

External ear

Epiglottis

Bio 2325 (8 decks)

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