Pleural Space

The pleural space is the thin, normally fluid-filled potential space between the visceral pleura covering the lungs and the parietal pleura lining the chest wall, where it supports efficient respiration. A small volume of pleural fluid lubricates opposing surfaces, while pressure within the space remains lower than atmospheric pressure, helping the lungs move with the thoracic cage during breathing. In clinical practice, changes in this space are important indicators of disease: air can cause pneumothorax, whereas excess fluid produces pleural effusion. Imaging, thoracentesis, and chest-tube drainage help identify and treat these conditions, making pleural-space physiology central to respiratory assessment and care.

Pleural Space - Related Videos

Research

JoVE EoE - Immunopathology

Establishing a Mouse Model of Pleural Disseminated Lung Cancer

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2025

This video demonstrates a method to generate a mouse model of pleural dissemination by injecting lung cancer cell suspension into the thoracic cavity of an immunodeficient mouse.

Education

JoVE Core - Medical-Surgical Nursing

Pleural Effusion I: Introduction

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2025

Pleural effusion is an abnormal fluid accumulation in the pleural cavity, a narrow space between the lungs and the chest wall. It is not a disease per se but rather a symptom or indication of an underlying disease. In normal circumstances, this space contains a small amount of fluid (5 to 15 mL), a lubricant facilitating the non-frictional movement of the pleural surfaces. There are two main types of pleural effusion: transudative and exudative. They are differentiated using Light's criteria,...

Local Anesthetic Thoracoscopy for Undiagnosed Pleural Effusion

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Cited by 4 •

2023

Local anesthetic thoracoscopy (LAT) is essential for diagnosing recurrent, undiagnosed pleural effusion when a guideline-based workup fails to provide a specific cause. LAT can be performed as a day-case procedure by chest physicians. Here, we present a step-by-step approach for a successful and safe procedure.

Research

JoVE Journal - Bioengineering
Free Sample

In vitro Synthesis of Native, Fibrous Long Spacing and Segmental Long Spacing Collagen

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Cited by 16 •

2012

Simple and reproducible procedures are described for making three structurally distinct collagen assemblies from a common commercially available Type I collagen monomer. Native type, fibrous long spacing or segmental long spacing collagen can be constructed by varying the conditions to which the 300 nm long and 1.4 nm diameter monomer building block is exposed.

Pleural Disorders: Types and Brief Description

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2024

The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are: Visceral Pleura: This layer covers the lungs. Parietal Pleura: This layer lines the inside of the chest wall. Between the two layers — the visceral pleura lining the lungs and the parietal pleura lining the chest cavity — lies the pleural cavity, a crucial anatomical space. This cavity houses a thin layer of pleural fluid,...

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