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Histology > CT: Connective Tissue Proper: Adipose & Reticular > Flashcards

CT: Connective Tissue Proper: Adipose & Reticular Flashcards

1
Q

Predominant type of adipose in adults

A

White adipose

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2
Q

White adipose function

A
  • Provides energy storage
  • Insulation
  • Cushioning
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3
Q

White adipose deposition

A
  • Visceral
  • Lower part of the body
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4
Q

Special form of CT with fat storing cells

A

Adipocytes

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5
Q

Adipocyte composition

A
  • Single droplet of fat
  • Nucleus (pushed against plasma membrane)
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6
Q

Adipose tissue characteristics

A
  • Vascular
  • Supplied with nerve fibers
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7
Q

What is fat mobilization and storage influenced by?

A

Neural and hormonal mechanisms

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8
Q

What do adipose cells produce and secrete?

A

A group of hormones and inflammatory chemicals

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9
Q

A hormone produce by adipose cells that signal the brain to reduce food intake

A

Leptin

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10
Q

In obese people, the brain becomes less responsive to this hormone

A

Leptin

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11
Q

Inflammatory chemicals

A
  • Interleukin 6
  • TNF-alpha
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12
Q

What do inflammatory chemicals contribute to?

A
  • Inflammation (no shit)
  • Heart disease
  • Type 2 diabetes
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13
Q

Contributes to insulin resistance

A

Resistin

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14
Q

Anti-inflammatory hormone, ratio of resistin to adiponecin, changes in obese people

A

Adiponectin

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15
Q

What does angiotensinogen convert into?

A

Angiotensinogen 2 (electric boogaloo)

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16
Q

Results of converting angiotensinogen to angiotensinogen 2

A
  • ⬆️ thirst
  • ⬆️ vasoconstriction
  • Release of aldosterone & ADH
  • ⬆️ BP
17
Q

Where is 80% of angiotensinogen produced?

A

Liver

18
Q

White adipose converts tissue hormone from an inactive form of the same hormone

A

Cortisol

19
Q

Brown fat composition

A

Many fat droplets in cytoplasm

20
Q

Brown fat vascularity

A

Well supplied

21
Q

Where is brown fat found in large quantities?

A
  • Hibernating animals
  • Newborns
22
Q

Brown fat purpose

A

Heat liberation

23
Q

Where are reticular fibers found?

A

Small vascular channels/sinusoids/liver

24
Q

Background networking the lymphatic organs such as spleen and lymph nodes

A

Stroma

Histology (17 decks)

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