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In contrast to passive transport, active transport involves a substance being moved through membranes in a direction against its concentration or electrochemical gradient. There are two types of active transport: primary active transport and secondary active transport. Primary active transport utilizes chemical energy from ATP to drive protein pumps that are embedded in the cell membrane. With energy from ATP, the pumps transport ions against their electrochemical gradients—a direction...
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Primary distribution systems deliver electrical power from substations to consumers through various voltage classes, with 15-kV class voltages being predominant among U.S. utilities. Older 2.5- and 5-kV classes are being replaced by 15-kV primaries, while higher 25- to 34.5-kV classes are used in high-density urban areas and rural regions with long feeders. Three-phase, four-wire multigrounded systems are widely employed for balanced power delivery, using the neutral wire as a grounding point.
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Dual-mode Imaging of Cutaneous Tissue Oxygenation and Vascular Function
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Primary paediatric cutaneous mucinoses.

F Rongioletti1

  • 1Unit of Dermatology, Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy.

The British Journal of Dermatology
|April 13, 2019
PubMed
Summary
This summary is machine-generated.

Primary cutaneous mucinoses, rare skin conditions involving abnormal mucin deposition, are challenging to diagnose and manage in children. This review proposes a new classification to aid healthcare professionals in identifying and treating these pediatric cases.

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Area of Science:

  • Dermatology
  • Pediatrics
  • Pathology

Background:

  • Primary cutaneous mucinoses are rare skin diseases characterized by abnormal glycosaminoglycan deposition.
  • Diagnosis and management in children are particularly challenging due to limited cases and overlapping features.

Purpose of the Study:

  • To assist dermatologists and pediatricians in identifying and managing pediatric cutaneous mucinoses.
  • To propose a classification for primary cutaneous mucinoses in children.

Main Methods:

  • Review of recent investigations and case series.
  • Analysis of clinicopathological features in pediatric patients.

Main Results:

  • New research provides significant insights into classifying pediatric cutaneous mucinoses.
  • An updated classification framework has been developed.

Conclusions:

  • The proposed classification offers a more effective guide for diagnosing and treating rare cutaneous mucinoses in children.
  • Improved diagnostic and management strategies are crucial for pediatric patients.