Unit 5 Lungs & Pleura Flashcards
1
Q
Pleura Cavities
A
- Left & right
- Contain lungs & pleura
- Mediastinum in middle
2
Q
Hilum
A
- Transition zone
- Opening of pleura
- Middle mediastinum & pleura
3
Q
Hilum Function
A
- Passage of pulmonary vessels & veins, primary bronchi & bronchial arteries
4
Q
Gas Exchange Area Composition
A
- Single cell of alveoli
- Single cell of capillary
5
Q
Interalveolar Septum
A
- Space between two alveolar cells
- Contains pulmonary capillaries
6
Q
Interstitum Composition
A
- Fibroblasts
- Macrophages
7
Q
Fibroblasts
A
- Compose elastic tissue of lungs
8
Q
Macrophages
A
- Part of immune system
- Provide protection
9
Q
Lung Lobes
A
- Three right
- Two left
10
Q
Lung Surfaces
A
- Costal (against ribs)
- Diaphragmatic (against diaphragm)
- Mediastinal (against mediastinum)
11
Q
Lung Tip
A
- Apex
12
Q
Lung Root
A
- Mediastinal surface
13
Q
Lobe Division
A
- Fissures
14
Q
Bronchial Circulation
A
- Supply lung muscle
15
Q
Right Lung Fissures
A
- Oblique (angled)
- Horizontal
16
Q
Right Lung Lobes
A
- Superior
- Middle
- Inferior
17
Q
Left Lung Fissure
A
- Oblique (angled)
18
Q
Left Lung Lobes
A
- Superior
- Inferior
19
Q
Lingula
A
- Left lung ONLY
- Piece of superior lobe
- Wraps around front of heart
20
Q
Hilum Structure
A
- Bronchi
- Pulmonary arteries
- Pulmonary veins
- Lymphatics
- Bronchial arteries
- Pulmonary ligament
21
Q
Bronchi
A
- Carry air
- Cartilaginous rings surrounding lumen
22
Q
Pulmonary Arteries
A
- Carry deoxygenated blood
- Superior position
23
Q
Pulmonary Veins
A
- Carry oxygenated blood to heart
- Inferior position
24
Q
Lymphatics
A
- Lymphatic drainage
25
Q
Bronchial Arteries
A
- Supply lung tissue
- Form of systemic circulation
26
Q
Pulmonary Ligaments
A
- Double layer of pleura
27
Q
Pleura
A
- Two layered sacs
- Surround lungs
28
Q
Visceral Pleura
A
- Layer adhered to lungs
29
Q
Parietal Pleura
A
- Layer next to thoracic wall
30
Q
Pleura Boarders
A
- Costal
- Diaphragmatic
- Mediastinal
- Cervical
31
Q
Lungs within Pleura
A
- Don’t fill entire space, gap at bottom
- Gap between parietal & visceral pleura
- Maintain pressure difference
32
Q
Pleura Recesses
A
- Costomediastinal
- Costodiaphragmatic
33
Q
Recesses Purpose
A
- Fluid collecting areas
- Pleural effusion
