Lecture 6+7- Body Cavities Flashcards

1
Q

What are the parietal pleura

A

Costal pleura
Mediastinal pleura
Pericardial mediastinal pleura
Diaphragmatic pleura

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2
Q

What is the space where the lung resides called?

A

Pleural cavity

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3
Q

What is the layer that anchors the pericardial mediastinal pleura to the parietal pericardium?

A

fibrous pericardium

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4
Q

What is another name for visceral pericardium

A

Epicardium

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5
Q

What makes up the surgeon’s pericardial sac

A

Pericardial mediastinal pleura
Parietal pericardium
Visceral pericardium

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6
Q

What is the anatomic pericardial sac?

A

Parietal pericardium
Visceral pericardium

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7
Q

What are both the pleural layers and the pericardial layers part of

A

the mesothelial layers

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8
Q

What does the septum transversum eventually form?

A

the diaphragm

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9
Q

What embryonic action forms the septum transversum

A

mesoderm is drug through the body cavity towards the neural tube

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10
Q

The division in the dorsal portion of the embryo becomes the

A

mediastinum

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11
Q

The two dorsal segments of the embryo

A

Pleuroperitoneal folds

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12
Q

What does the mesothelium secrete to reduce friction in the heart

A

serous fluid

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13
Q

The area lined by mesothelium, between the visceral and parietal pericardium

A

percardial cavity

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14
Q

What are the bounds of the thoracic cavity

A

Thoracic inlet
thoracic vertebral bodies
ribs
sternebrae
diaphragm

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15
Q

How far does iliocostalis span?

A

first rib to ilium

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16
Q

How far does longissimus span

A

skull to illium

17
Q

How far does transversospinalis span

A

skull to sacrum

18
Q

Muscles of respiration

A

Acalenus
Serratus dorsalis cranialis
External intercostal
Internal intercostal
Serratus dorsalis caudalis
Diaphragm

19
Q

Action of scalenus

A

Pull ribs cranially

20
Q

Action of serratus dorsalis cranialis

A

pull ribs cranially and dorsally

21
Q

Action of intercostals

A

Lock ribs together

22
Q

Action of serratus dorsalis caudalis

A

pull ribs back after inspiration (not forced expiration)

23
Q

Action of diaphragn

A

Inspiration