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Semester 1 - Tissues of the Body > TOB L2.1 INTERNAL SURFACES OF THE BODY > Flashcards

TOB L2.1 INTERNAL SURFACES OF THE BODY Flashcards

1
Q

Stomach specific structure?

A
  • Muscularis Externae - three layers
  • Rugae, after ME - folds in stomach lining to increase surface area
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2
Q

Serosa stucture?

A
  • Connective tissue
  • Simple squamous mesothelium
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3
Q

Different layers? (four)

A
  • Mucosa
  • Submucosa
  • Musuclaris Externae
  • Serosa
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4
Q

Sructure of the GI mucosa?

A
  • Epithelium (varies)
  • Lamnia Propria
  1. Aggregations of lymphocytes called Peyers Patches
  2. Mucosal Glands
  • Muscularis mucosae
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5
Q

Large intestine specific structures?

A
  • Contains Crypts of Langerhans - tubular glands
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6
Q

Structure of the muscularis externae?

A
  • Inner Circular layer
  • Outher longitudinal layer
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7
Q

Structure of Trachea?

A
  • cartilage
  • no serosa
  • cilliated collumnar cells
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8
Q

Structure of the bronchiole?

A
  • Epithelium (simple columnar cilliated - cuboidal)
  • Smooth muscle layer
  • Alveoli keep lumen open
  • No cartilage
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9
Q

Structure of the bronchus?

A
  • Smooth muscle layer before sub mucosa
  • Cartilage also present
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10
Q

Structure of the alveoli?

A
  • 90% simple squamous epithelium for gas exchange
  • 10% simple cuboidal which secrete surfancant (separtes alveloi, increasing surface area)
  • Macrophages destroy foreign material
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11
Q

Three places a serous membrane would be found?

A
  • Peritoneum
  • Pleural Sacs
  • Pericardial sacs
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12
Q

Definition of a serous membrane?

A

Thin, two-part membrane which lines certain closed body cavities

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13
Q

What is the structure of a standard internal mucosa?

A
  • Epithelium lining lumen
  • Lamnia Propria, adjacent layer of connective tissues
  • Layer of smooth muscle called muscularis mucosae
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14
Q

Structure of a serous membrane?

A
  • A simple squamous epithelium which secretes watery lubricating fluid
  • a thin layer of connective tissue which attaches epithelium to adjacent tissue

Viscral Serosa touching organ

Parietal Serosa on outside

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15
Q

Three places a mucous membrane would be found?

A
  • Alimentary tract
  • Respiratory tract
  • Urinary tract
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16
Q

Structure of the ureter?

A
  • Transitional epithelium
  • Fibroelastic lamnia propria
  • Circular musularis externae
17
Q

Structure of the bladder wall?

A
  • Transitional epithelium (impermeable to urine due to thick plasma membrane)
  • Smooth muscle in lamnia propria
  • Three layer muscularis externae
18
Q

Structure of the urethra?

A
  • Trainsitional epithelium
  • Lamnia Propria
  • Muscularis externae

Semester 1 - Tissues of the Body (16 decks)

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