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Pneumothorax-I

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.

Pneumothorax II: Pathophysiology

Pneumothorax II: Pathophysiology

Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...

Pneumothorax-II

Pneumothorax-II

Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:

Development of the Lymphatic System

Development of the Lymphatic System

The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...

Lymphatic Vessels and Lymph Transport

Lymphatic Vessels and Lymph Transport

Lymphatic vessels, known as lymphatics, are crucial in transporting lymph from peripheral tissues to our venous system. This process begins with lymph entering through tiny capillaries that branch through tissues. These capillaries have unique features such as larger diameters, thinner walls, and a distinctive one-way valve system formed by overlapping endothelial cells.
This one-way system allows fluids, solutes, and even pathogens to enter but prevents their return to the intercellular spaces.

Trachea

Trachea

The trachea, commonly known as the windpipe, is a vital part of the human respiratory system. It serves as a passageway for air to travel between the larynx and the bronchi, allowing oxygen to reach the lungs. Let's explore its anatomical features, dimensions, layers of the tracheal wall, associated muscles, and the functions of its parts.
Anatomical Features:
Location: About half of the trachea is situated in the neck, anterior to the esophagus, and extends from the larynx (at the level of the...

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Related Experiment Video

Updated: Jun 22, 2026

Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting

Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting

Published on: May 1, 2015

Congenital chylothorax.

Saad Lahmiti¹, Jamila Elhoudzi, Abdelmounaim Aboussad

¹Neonatal Intensive Care Department, Mohammed VI University Hospital, Marrakech, Morocco. lahmiti@gmail.com

Thescientificworldjournal

|June 16, 2009

Summary

This summary is machine-generated.

Neonatal respiratory distress can be caused by pleural effusion. Early diagnosis and conservative management of chylothorax in newborns offer a favorable prognosis and can prevent recurrence.

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Isolation of Human Lymphatic Endothelial Cells by Multi-parameter Fluorescence-activated Cell Sorting

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Transuterine Fetal Tracheal Occlusion Model in Mice

Transuterine Fetal Tracheal Occlusion Model in Mice

Published on: February 5, 2021

Area of Science:

Neonatal Medicine
Pediatric Pulmonology
Thoracic Surgery

Background:

Pleural effusion is an uncommon cause of respiratory distress in neonates.
Prompt diagnosis and early intervention are crucial for favorable outcomes.
Familiarity with neonatal pleural effusion is essential for clinicians.

Observation:

A full-term infant presented with respiratory distress one week after birth.
Chest X-ray revealed a left-sided pleural effusion.
Thoracentesis and pleural fluid analysis confirmed chylothorax.

Findings:

Conservative management of neonatal chylothorax was successful in this case.
The infant showed no recurrence of chylothorax during a 6-month follow-up.
Biochemical analysis of pleural fluid confirmed the diagnosis.

Implications:

Conservative management should be considered the primary treatment for neonatal chylothorax.
Surgical intervention may be necessary if conservative measures fail.
Early diagnosis and management of neonatal chylothorax lead to positive prognoses.