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Related Concept Videos

Skeleton and Calcium Homeostasis01:21

Skeleton and Calcium Homeostasis

Calcium is not only the most abundant mineral in bone but also the most abundant mineral in the human body. Calcium ions are needed for bone mineralization, tooth health, heart rate regulation and strength of contraction, blood coagulation, the contraction of smooth and skeletal muscle cells, and the regulation of nerve impulse conduction. The average calcium level in the blood is about 10 mg/dL. When the body cannot maintain this level, a person will experience hypo or hypercalcemia.
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Hormones and Bone Tissue

The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
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Chronic Kidney Disease II: Clinical Manifestations

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Hypersensitivity Reactions: Immune-Complex Reactions01:19

Hypersensitivity Reactions: Immune-Complex Reactions

Type III hypersensitivity reactions occur when antigen–antibody complexes form and activate the complement system. Normally, these complexes help the clearance of antigens by phagocytes and red blood cells. However, when large numbers of immune complexes are present, they can deposit in tissues—particularly in the walls of blood vessels—leading to inflammation and tissue injury. These deposits trigger complement activation and neutrophil recruitment, resulting in serum sickness, a systemic...
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Tachyphylaxis is described as a rapid decrease in response to a drug after repeated or continuous administration of the same drug dose. It is a phenomenon where the body becomes less responsive to a particular substance or intervention over time, requiring higher doses or stronger interventions to achieve the same effect. It results from adaptive changes in the body's receptors, signaling pathways, or physiological processes that occur in response to prolonged exposure to a stimulus.
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Related Experiment Video

Updated: Jun 3, 2026

A Calcium Phosphate-Induced Mouse Abdominal Aortic Aneurysm Model
05:14

A Calcium Phosphate-Induced Mouse Abdominal Aortic Aneurysm Model

Published on: November 18, 2022

Calciphylaxis.

Angie T Ng1, David H Peng

  • 1Department of Dermatology, Stanford University, Stanford Medicine Outpatient Center, 450 Broadway, Redwood City, CA 94063, USA.

Dermatologic Therapy
|March 18, 2011
PubMed
Summary
This summary is machine-generated.

Calciphylaxis is a painful skin condition causing calcification of small vessels, leading to severe lesions and infection risk. Symptomatic treatment shows promise for managing this high-mortality disease.

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A Semi-Automated and Reproducible Biological-Based Method to Quantify Calcium Deposition In Vitro
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A Calcium Phosphate-Induced Mouse Abdominal Aortic Aneurysm Model
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Area of Science:

  • Vascular biology
  • Dermatology
  • Nephrology

Background:

  • Calciphylaxis involves metastatic calcification of small and medium-sized vessels.
  • This condition leads to severe dermatologic manifestations, often on high-fat areas.
  • Lesions progress to painful, black eschars, increasing infection and sepsis risk.

Purpose of the Study:

  • To summarize the clinical presentation, diagnosis, and management of calciphylaxis.
  • To highlight the challenges and current therapeutic approaches for this severe condition.

Main Methods:

  • Diagnosis relies on clinical history and skin biopsy.
  • Management is interdisciplinary, focusing on prevention, wound care, pain control, and mineral balance.

Main Results:

  • Calciphylaxis presents with painful, necrotic skin lesions.
  • High risk of infection and sepsis necessitates hospitalization.
  • Symptomatic treatment strategies are being explored for disease control.

Conclusions:

  • Calciphylaxis is a critical illness with high mortality.
  • Interdisciplinary management and symptomatic treatment offer potential for improved outcomes.