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Related Concept Videos

Extracellular Matrix01:26

Extracellular Matrix

Unlike epithelial tissue, which is composed of cells closely packed with little or no extracellular space in between, connective tissue cells are dispersed in a matrix. This extracellular matrix (ECM) is composed of fibrous proteins like collagen, elastin, and fibronectin in a ground substance consisting of interstitial fluid, cell adhesion proteins, and proteoglycans. The proteoglycans form a gel-like material in the spaces between cells and provide hydration, buffering, binding, and force...
Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

Inflammatory Response II: Inflammatory Exudate and Tissue Repair

The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the exudate's...
Fluid Connective Tissues: Blood and Lymph01:20

Fluid Connective Tissues: Blood and Lymph

Blood and lymph are fluid connective tissues. They contain cells, also known as formed elements, circulating in a liquid extracellular matrix, the plasma. The formed elements are derived from hematopoietic stem cells in the bone marrow. Blood and lymph connect all vital parts and carry nutrients, oxygen, and other essential molecules like antibodies.
Blood
The blood flows through blood vessels— arteries, capillaries, and veins. Blood plasma is primarily made of proteins, solutes, and water.
Cerebral Edema l: Introduction01:19

Cerebral Edema l: Introduction

Cerebral edema is a pathological increase in brain water content that disrupts intracranial pressure regulation and impairs neurological function. Because the cranial vault is rigid, even modest increases in tissue volume can compromise cerebral perfusion, distort neural structures, and initiate secondary injury. Cerebral edema develops through four principal mechanisms: vasogenic, cytotoxic, interstitial, and ionic.Vasogenic EdemaVasogenic edema arises from disruption of the blood–brain...
Classification of Connective Tissues01:30

Classification of Connective Tissues

The connective tissues have different properties and functions in the human body. They are broadly categorized into proper, supporting, or fluid connective tissues.
Connective Tissue Proper
Connective tissue proper is the most abundant class of connective tissues. As its name implies, it predominantly connects different tissues in the body. Depending on the cell types, ground substance, viscosity, and fiber types in the ECM, connective tissue proper is further categorized into loose and dense.
Fluid Movement Between Compartments01:18

Fluid Movement Between Compartments

The force applied by fluids against a surface, known as hydrostatic pressure, initiates the transfer of fluid among different compartments. Within our blood vessels, the blood's hydrostatic pressure is a result of the heart's pumping action. At the arteriolar end of capillaries, hydrostatic pressure (capillary blood pressure) exceeds the opposing colloid osmotic pressure created primarily by plasma proteins like albumin. This discrepancy in pressure propels plasma and nutrients from the...

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Three-dimensional Cell Culture Model for Measuring the Effects of Interstitial Fluid Flow on Tumor Cell Invasion
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Published on: July 25, 2012

Edema and fluid dynamics in connective tissue remodelling.

Rolf K Reed1, Asa Lidén, Kristofer Rubin

  • 1Department of Biomedicine, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway. rolf.reed@biomed.uib.no

Journal of Molecular and Cellular Cardiology
|July 15, 2009
PubMed
Summary

This review examines loose connective tissues, focusing on fluid exchange and swelling in inflammation, fibrosis, and tumors. It compares these processes to fibrotic heart conditions.

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Area of Science:

  • Connective tissue biology
  • Vascular biology
  • Pathology

Background:

  • Loose connective tissue plays a crucial role in physiological and pathological processes.
  • Transcapillary exchange and edema formation are key aspects of tissue response.
  • These processes are implicated in inflammation, fibrosis, and tumor development.

Purpose of the Study:

  • To review the function of loose connective tissues.
  • To highlight the significance of transcapillary exchange and edema in disease.
  • To compare fibrotic processes in connective tissues with those in the heart.

Main Methods:

  • Literature review of studies on loose connective tissues.
  • Analysis of transcapillary exchange mechanisms.
  • Examination of edema formation pathways.
  • Comparative analysis of fibrotic processes.

Main Results:

  • Loose connective tissues are central to fluid dynamics and tissue responses.
  • Edema formation is a critical factor in inflammation, fibrosis, and tumors.
  • Fibrotic mechanisms in connective tissues share similarities with cardiac fibrosis.

Conclusions:

  • Understanding loose connective tissue function is vital for addressing diseases like fibrosis and cancer.
  • Targeting transcapillary exchange and edema may offer therapeutic strategies.
  • Further research comparing tissue-specific fibrosis is warranted.