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Clinical Anatomy > Thorax > Flashcards

Thorax Flashcards

1
Q

Structure Relations: Intercostal Nerves, Arteries and Veins

A

Positioned Deep to Internal Intercostal Muscles
& Directly Inferiorly to the Ribs

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2
Q

Structure Relation: Internal Thoracic Artery

A

Positioned Posterior/Deep to the first 6 costal cartilages (running vertically)

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3
Q

Structure Relation: Left Phrenic Nerve

A

Passes Anterior to Root of the Left Lung & Laterally to the Ascending Aorta

Positioned Lateral to the Pericardial Sac

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4
Q

Structure Relation: Right Phrenic Nerve

A

Positioned Lateral to the Superior Vena Cava and Pericardial Sac
& Passes Anterior to the Root of the Right Lung

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5
Q

Structure Relation: Azygos Vein (Arch)

A

Passes Superior to the Right Main Bronchus

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6
Q

Structure Relation: Thoracic Aorta

A

Positioned Posterior to the Pericardial Sac and Left/Lateral to the Vertebral Bodies
& Passes Posterior to the Left Main Bronchus

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7
Q

Structure Relation: Superior Vena Ceva

A

Positioned Lateral/Right to the Ascending Aorta

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8
Q

Structure Relation: Inferior Vena Cava

A

Positioned to the Right of the Descending Aorta

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9
Q

Structure Relation: Arch of the Aorta

A

Passes Superior to the Pulmonary Trunk

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10
Q

Structure Relation: Left Vagus Nerve

A

Passes Lateral to the Arch of the Aorta &
Posterior to the Left Main Bronchus

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11
Q

Structure Relation: Left Recurrent Laryngeal Nerve

A

Passes Posterior to the Ligamentum Arteriosum &
Inferior to the Arch of the Aorta

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12
Q

Structure Relation: Right Vagus Nerve

A

Positioned Lateral to the Trachea &
Passes Medial to the Arch of the Azygos Vein & Posterior to the Right Main Bronchus

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13
Q

Structure Relation: At the Hilum of the Left Lung, the Pulmonary Artery is….

A

Positioned Superior to the Main Bronchus

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14
Q

Structure Relation: At the Hilum of the Left Lung, the Pulmonary Veins are…

A

Positioned Anterior and Inferior to the Main Bronchus

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15
Q

Structure Relation: At the Hilum of the Right Lung, the Pulmonary Artery is…

A

Positioned Anterior to the Main Bronchus

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16
Q

Structure Relation: At the Hilum of the Right Lung, the Pulmonary Veins are…

A

Positioned Anterior to the Main Bronchus &
Anterior and Inferior to the Pulmonary Arteries

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17
Q

Structure Relation: Esophagus

A

Positioned Posterior to the Trachea and Pericardial Sac &
Passes Posterior to the Left Main Bronchus

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18
Q

Structure Relation: Thoracic Duct

A

Positioned Directly Anterior to the Thoracic Vertebral Bodies

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19
Q

Structure Relation: Right Posterior Intercostal Arteries

A

Pass Anterior to the Vertebral Bodies

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20
Q

Structure Relation: Sympathetic Chain

A

Positioned Lateral to the Thoracic Vertebral Bodies

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21
Q

Structure Relation: Greater Splanchnic Nerve

A

Positioned Anterior-Medial to the Sympathetic Chain

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22
Q

Bony Landmarks: External Intercostal

A

Rib to Rib oriented from Superior-Lateral to Inferior-Medial

(Down and In)

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23
Q

Bony Landmarks: Internal & Innermost Intercostal

A

Rib to Rib oriented Superior-Medial to Inferior-Lateral

(Down and Out)

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24
Q

Bony Landmarks: Transversus Thoracis

A

Posterior Sternum to Costal Cartilages

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25
Bony Landmarks: Diaphragm
Xiphoid Process, Inner Surface of the Lower Ribs & Costal Cartilages, Lumbar Vertebrae via Curran to the Central Tendon
26
Action: External Intercostal
Elevation of Ribs
27
Action: Internal & Innermost Intercostal
Depression of Ribs
28
Action: Transversus Thoracis
Depress Ribs
29
Action: Diaphragm
Inspiration (Negative Thoracic Pressure by Inferior Displacement)
30
Innervation: External Intercostal
Intercostal Nerve (Segmental)
31
Innervation: Internal & Innermost Intercostal
Intercostal Nerve (Segmental)
32
Innervation: Transversus Thoracic
Intercostal Nerves (Segmental)
33
Innervation: Diaphragm
Phrenic Nerve (C3-C5)
34
Bony Landmarks: Ribs
Head (Articular Facet) Neck Shaft (Tubercle, Angle, Costal Groove) 1st Rib: Scalene Tubercle, Grooves for Subclavian Artery (post) & Vein (ant)
35
Bony Landmark: Articular Facet of Head of Ribs
Articulates with Body of Vertebrae
36
Bony Landmark: Tubercle of Shaft of Rib
Articulates with Transverse Process (Costotubercular, Costcotransverse)
37
Bony Landmark: Costal Groove (Intercostal)
Houses Intercostal Vein, Artery & Nerve
38
Bony Landmark: Scalene Tubercle
Attaches Anterior Scalene Muscle to 1st Rib
39
Bony Landmark: Sternum
Manubrium Body Xiphoid Process
40
Bony Landmark: Manubrium of Sternum
Jugular Notch, Clavicular Notch & Costal Notch for 1st Rib
41
Bony Landmark: Clavicular Notch of Manubrium
Articulates with Clavicle
42
Bony Landmark: Body of Sternum
Stern Angle & Costal Notches
43
Bony Landmark: Costal Notches of Body of Sternum
Articulate with Ribs 2-7
44
Bony Landmark: Xiphoid Process
Attaches to Diaphragm
45
Thoracic Cavity Boundaries
Sternum Spine Superior Thoracic Apeture Diaphragm
46
Compartments of Thoracic Cavity
R & L Pleural Cavity (R & L Lung) Superior Mediastinum Inferior Mediastinum Diaphragm
47
Components of Thoracic Wall
Skin Subcutaneous Tissue Ribs Intercostal Muscles
48
Functions of Thoracic Wall
Protect Respiration Muscle Attachment
49
Bony Landmarks on Rib from posterior to inferior
Head Neck Costotubercle Costalangle Body/Shaft Costocartilage (Sternum)
50
Joints of Ribs
All = Plane Costovertebral Costotransverse Sternocostal
51
Costovertebral Joint
Head of Rib to Vertebral Body
52
Costotransverse Joint
Costotubercle to Transverse Process
53
Sternocostal Joint
Sternum to Costal Cartilage
54
Bony Landmarks on 1st Rib
1- Groove for Subclavian A. (Posterior) 2- Tubercle for Anterior Scalene 3- Groove for Subclavian V. (Anterior)
55
Bony Landmarks on Sternum from Superior to Inferior
Jugular Notch Clavicular Notch Manubrium Sternal Angle Body Costal Notches Xiphoid Process
56
Action of Ribs with Inhale
-Diaphragm Depresses -Lateral Ribs (Shaft) Elevate & Move Laterally -Sternum Moves Superior & Anterior
57
Actions of Ribs with Exhale
-Diaphragm Elevates -Lateral Ribs (Shaft) Depress & Move Medially -Sternum Moves Inferior & Posterior
58
Structures on Intercostal Nerves (Posterior to Anterior)
Posterior & Anterior Dorsal Root Spinal Ganglion Posterior Dorsal Ramus Anterior Ventral Ramus Lateral Cutaneous Branch Anterior Cutaneous Branch
59
Major Landmarks w/ Intercostal Nerves
T4 = Nipple T6 = Xiphoid T10 = Umbilicus
60
Segments for Naming Intercostal Nerves
T1-T6 = Upper Intercostal T7-T11 = Lower Intercostal T12 = Subcostal
61
Arterial Supply to Thorax - Aorta
Brachiocephalic L Common Carotid L Subclavian Bronchioles Esophageal Posterior Intercostals (3-11) Subcostal (12)
62
Arterial Supply to Thorax - Subclavian
Internal Thoracic: Pericardiacophrenic Anterior Intercostals (1-6) Superior Gastric Musculophrenic Anterior Intercostals (7-9) Costocervical: Superior Intercostal Deep Cervical
63
Venus Drainage from Thorax - Right Atrium
Superior Vena Cava Azygos R Brachiocephalic Vein L Brachiocephalic Vein - L Superior Intercostal - L Posterior Intercostals (2-3)
64
Venus Drainage from Thorax - Azygos
R Superior Intercostals - R Posterior Intercostals (2-3) R Posterior Intercostals (4-11), Accessory Hemiazygos, Hemiazygos R Subcostal (12), R Ascending Lumbar, R Lumbar Azygos
65
Venus Drainage from Thorax - L Side
Accessory Hemiazygos - L Posterior Intercostals (4-8) Hemiazygos - L Posterior Intercostals (9-11), - L Lumbar Azygos, L Ascending Lumbar, L Subcostal (12)
66
R Lymphatic Duct
R Subclavian Vein & R Internal Jugular Vein RJI, R Subclavian, R Bronchiomediastinal
67
L Lymphatic Duct
L Internal Jugular Vein & L Subclavian Thoracic Duct & L Bronchiomediastinal
68
What is found on L & R Bronchiomediastinals?
Parasternal - Diaphragmatic Visceral Nodes
69
Visceral Nodes
Paratracheal Tracheobronchial Bronchopulmonary Pulmonary
70
Thoracic Duct (Lymph nodes)
Intercostals Posterior Mediastinal Intercostals Cisterns Chyli @ L2
71
Parietal Nodes
Diaphragmatic Parasternal Intercostals Posterior Mediastinal

Clinical Anatomy (18 decks)

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