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Question 681
Anatomy → Region
Classification
Question
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Anatomy
Question Stem
At the root of the lung, the mediastinal parietal pleura passes laterally and becomes continuous with which structure?
Options
A
Pericardium
B
Costovertebral pleura only
C
Visceral pleura
D
Endothoracic fascia
E
Diaphragmatic muscle
Explanation
At the lung root, mediastinal parietal pleura passes laterally along the root structures and merges with the visceral pleura; calls this region the isthmus.
Option Validity
A) The described continuity at the lung root is with visceral pleura.
B) The relevant transition is from mediastinal parietal to visceral pleura.
D) Endothoracic fascia is not the stated continuation.
E) The pleura does not become diaphragmatic muscle.
Further Reading
Saxena - MRCOG-1 Basic Sciences, Chapter 2: Anatomy, Printed p.12.