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Anatomy > Chapter 1: 1.5 Body Cavities > Flashcards

Chapter 1: 1.5 Body Cavities Flashcards

1
Q

Body cavity

A
  • A space within the body that contains various internal organs
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2
Q

Cranial Cavity

A
  • Formed by cranial cavity bones and contains brain
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3
Q

Vertebral Canal

A
  • Formed by vertebral column and contains spinal cord and the beginnings of spinal nerves
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4
Q

Thoracic cavity

A
  • Chest cavity
  • Contains pleural and pericardial cavities and the mediastinum
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5
Q

Pleural cavity

A
  • Each surrounds a lung
  • The serous membrane of each pleural cavity is the pleura
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6
Q

Pericardial cavity

A
  • Surrounds the heart
  • The serous membrane of the pericardial cavity is the pericardium
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7
Q

Mediastinum

A
  • Central portion of thoracic cavity between the lungs
  • Extends from sternum to vertebral column and from first rib to diaphragm
  • Contains heart, thymus, esophagus, trachea, and several large blood vessels
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8
Q

Abdominopelvic cavity

A
  • Subdivided into abdominal and pelvic cavities
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9
Q

Abdominal cavity

A
  • Contains stomach, spleen, liver, gallbladder, small intestine, and most of large intestine
  • The serous membrane of the abdominal cavity is the peritoneum
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10
Q

Pelvic cavity

A
  • Contains the urinary bladder, portions of large intestine, and internal organs or reproduction
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11
Q

Abdominopelvic cavity

A
  • Extends from the diaphragm to the groin and is encircled by the abdominal muscle wall and the bones and muscles of the pelvis
  • Divided into a superior and inferior portion
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12
Q

Abdominal cavity

A
  • Superior portion
  • Contains the kidneys, suprarenal glands, stomach, spleen, liver, gallbladder, pancreas, small intestine, and most of the large intestine
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13
Q

Pelvic cavity

A
  • Inferior portion
  • Contains urinary bladder, portions of the large intestine, and internal organs of the genital systems
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14
Q

Viscera

A
  • Organs inside the thoracic and abdominopelvic cavities
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15
Q

Membrane

A
  • Thin pliable tissue that covers, lines, partitions, or connects structures
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16
Q

Serous membrane

A
  • Slippery membrane associated with body cavities that does not open directly to the exterior
  • Covers the viscera within the thoracic and abdominal cavities; also lines the walls of the thorax and abdomen
17
Q

2 parts of serous membrane

A
  1. Parietal layer
  2. Visceral layer
    - Form a serous sac
18
Q

Parietal layer

A
  • Thin epithelium that lines the walls of the body cavities
19
Q

Visceral layer

A
  • Thin epithelium that covers and adheres to the viscera within the body cavities
20
Q

Serous cavity

A
  • Between the parietal and visceral layers is a potential space
  • Contains a small amount of lubricating fluid called serous fluid that reduces friction between the two layers, allowing the viscera to slide freely during movements such as the pumping of the heart or the inflation and deflation of your lungs when you breathe in and out
21
Q

Pleura

A
  • Serous membrane associated with the lungs
22
Q

3 parts of the pleura

A
  • Parietal pleura
  • Visceral pleura
  • Pleura cavity
23
Q

Visceral pleura

A
  • Clings to the surface of the lungs
24
Q

Parietal pleura

A
  • Lines the chest wall and covers the superior surface of the diaphragm
25
Q

Pleural cavity

A
  • In between the visceral pleura and the parietal pleura
26
Q

Pericardium

A
  • Serous membrane of the heart
27
Q

Visceral pericardium

A
  • Covers the surface of the heart
28
Q

Parietal pericardium

A
  • Lines the fibrous pericardium that surrounds the heart
29
Q

Pericardial cavity

A
  • Serous cavity between the visceral pericardium and the parietal pericardium
30
Q

Peritoneum

A
  • The serous membrane of the abdominal cavity
31
Q

Visceral peritoneum

A
  • Covers the abdominal viscera
32
Q

Parietal peritoneum

A
  • Lines the abdominal wall and covers the inferior surface of the diaphragm
33
Q

Peritoneal cavity

A
  • Serous cavity between the visceral peritoneum and the parietal peritoneum
34
Q

Intraperitoneal

A
  • most abdominal organs are surrounded by the peritoneum
35
Q

Intraperitoneal organs

A
  • Stomach
  • Spleen
  • :iver
  • Gallbladder
  • Jejunum
  • Ileum of the small intestine
  • Cecum
  • Appendix
  • Transverse colon or the large intestine
36
Q

retroperitoneal

A
  • Organs that are not surrounded by the peritoneum/ only partially covered and lie behind the peritoneum
37
Q

Retroperitoneal organs

A
  • Kidneys
  • Suprarenal glands
  • Pancreas
  • Duodenum of the small intestine
  • Ascending and descending colons of the large intestine
  • Abdominal aorta
  • Inferior vena cava

Anatomy (17 decks)

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