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Related Concept Videos

Dietary Connections01:23

Dietary Connections

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In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
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Functions of Connective Tissues01:17

Functions of Connective Tissues

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Connective tissues perform a broad range of functions in the body. Their primary function is to connect and link different tissues in the body and act as packaging material between tissues. The areolar tissue, a connective tissue prototype, commonly cements various tissue types in diverse body organs. In contrast, adipose tissue cushions internal organs while insulating the body from heat loss.
Hard connective tissues, such as bones and cartilage, provide structure and support to the body.
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Loose Connective Tissue01:26

Loose Connective Tissue

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Loose connective tissue is found between many organs. Its main function is to absorb shock and bind tissues together. It also allows water, salts, and various nutrients to diffuse into cells that are embedded in it or present in adjacent tissues.
Adipose Tissue
Adipose tissue consists primarily of fat storage cells called adipocytes and little extracellular matrix. A large number of capillaries present within adipose tissue allow rapid mobilization of lipid molecules. White adipose tissue is...
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Introduction to Connective Tissues01:11

Introduction to Connective Tissues

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Connective tissues are one of the four main tissue types in humans that are extensively present in the body. They are characterized by cells embedded in an extracellular matrix (ECM) composed of a ground substance and three main types of protein fibers— collagen, elastic, and reticular fibers. The ground substance of connective tissues can range from a watery and jelly-like consistency to mineralized and hard. The wide variety of cells in the connective tissues include fibroblasts,...
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Classification of Connective Tissues01:30

Classification of Connective Tissues

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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....
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Embryonic Connective Tissues01:20

Embryonic Connective Tissues

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During early development, the embryo forms two types of connective tissues— the mesenchyme and mucoid connective tissue.
The mesenchyme is the first connective tissue that emerges in the developing embryo. It consists of loosely arranged multipotent mesenchymal cells and reticular fibers in the extracellular matrix. This loose arrangement allows easy migration of cells, which is essential for germ layer positioning, patterning, and organ morphogenesis during embryonic development.
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Design and Construction of an Urban Runoff Research Facility
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Winter City Urbanism: Enabling All Year Connectivity for Soft Mobility.

David Chapman1, Kristina L Nilsson2, Agatino Rizzo3

  • 1Architecture Group, Luleå University of Technology, 971 87 Luleå, Sweden. david.chapman@ltu.se.

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Winter significantly impacts urban connectivity and soft mobility. Planning strategies incorporating "white space" can enhance year-round outdoor activity in sub-arctic cities.

Keywords:
active livinghealth outcomesphysical activitysoft mobilitywalkable environment

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Area of Science:

  • Urban Planning
  • Human Geography
  • Environmental Psychology

Background:

  • Sub-arctic cities face unique challenges for outdoor activity during winter.
  • Understanding resident perceptions of winter's impact on urban mobility is crucial.

Purpose of the Study:

  • To investigate how winter affects the perception of urban spatial structure and pathways.
  • To identify enablers and barriers to soft mobility in winter conditions.

Main Methods:

  • Mental mapping exercises with residents.
  • Photo elicitation to understand perceptions of the built environment in winter.

Main Results:

  • Residents perceive winter altering spatial structures and pathway clarity.
  • Winter conditions reduce the ease of understanding public realms and townscapes.

Conclusions:

  • Town planning needs to integrate "white space" (snow/ice) into infrastructure planning.
  • Enhanced strategies can promote year-round outdoor activity in winter cities.