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Connective Tissue | Everything you need to know!
Connective Tissue | Everything you need to know!
Connective Tissue | Everything you need to know!
Histology at SIU, connective tissue [1]
Connective tissue comprises one of the four basic tissue types. The others are: epithelial tissue (surfaces and glands), muscle tissue (contractile cells), and nervous tissue
Each tissue type retains its fundamental character wherever it occurs.. For additional introductory exercises, see Ed (The Path Guy)’s Basic Histology Gallery.
Blood vessels and nerves travel through connective tissue.. – Connective tissue functions not only as a mechanical support for other tissues but also as an avenue for communication and transport among other tissues
Anatomy and Physiology I [2]
– Identify and distinguish between the types of connective tissue: proper, supportive, and fluid. As may be obvious from its name, one of the major functions of connective tissue is to connect tissues and organs
The matrix usually includes a large amount of extracellular material produced by the connective tissue cells that are embedded within it. The matrix plays a major role in the functioning of this tissue
This ground substance is usually a fluid, but it can also be mineralized and solid, as in bones. Connective tissues come in a vast variety of forms, yet they typically have in common three characteristic components: cells, large amounts of amorphous ground substance, and protein fibers
3.3: Examining Connective Tissue [3]
Supporting connective tissue comprises bone and cartilage. We will examine those tissues in greater detail in Lab 5 The Appendicular Skeleton & Lab 6 The Axial Skeleton.
However, in bone and cartilage, the ground substance is so viscous as to be very hard and tough solids. Both bone and cartilage use mainly collagen and elastic protein fibers in their extracellular matrix, but cartilage uses a ground substance rich in the carbohydrate hyaluronan and bone uses a ground substance rich in a mineralized calcium phosphate compound known as hydroxyapatite.
This helps solidify the ground substance around the collagen and elastic fibers of cartilage. As a result, it is often difficult to see the protein fibers in cartilage when viewing preparations under the microscope.
3.3: Examining Connective Tissue [4]
Supporting connective tissue comprises bone and cartilage. We will examine those tissues in greater detail in Lab 5 The Appendicular Skeleton & Lab 6 The Axial Skeleton.
However, in bone and cartilage, the ground substance is so viscous as to be very hard and tough solids. Both bone and cartilage use mainly collagen and elastic protein fibers in their extracellular matrix, but cartilage uses a ground substance rich in the carbohydrate hyaluronan and bone uses a ground substance rich in a mineralized calcium phosphate compound known as hydroxyapatite.
This helps solidify the ground substance around the collagen and elastic fibers of cartilage. As a result, it is often difficult to see the protein fibers in cartilage when viewing preparations under the microscope.
LibGuides at Hostos Community College Library [5]
Unless otherwise noted, this work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License… Click on the printer icon at the bottom of the screen
If it doesn’t, try opening this guide in a different browser and printing from there (sometimes Internet Explorer works better, sometimes Chrome, sometimes Firefox, etc.).. If the above process produces printouts with errors or overlapping text or images, try this method:
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. The matrix usually includes a large amount of extracellular material produced by the connective tissue cells that are embedded within it
Ground substance [6]
Ground substance is an amorphous gel-like substance in the extracellular space of animals that contains all components of the extracellular matrix (ECM) except for fibrous materials such as collagen and elastin.[1] Ground substance is active in the development, movement, and proliferation of tissues, as well as their metabolism. Additionally, cells use it for support, water storage, binding, and a medium for intercellular exchange (especially between blood cells and other types of cells)
The components of the ground substance vary depending on the tissue. Ground substance is primarily composed of water and large organic molecules, such as glycosaminoglycans (GAGs), proteoglycans, and glycoproteins
Important GAGs found in ground substance include hyaluronic acid, heparan sulfate, dermatan sulfate, and chondroitin sulfate. With the exception of hyaluronic acid, GAGs are bound to proteins called proteoglycans
‘A’ ‘B’ are types of connective tissues. The ground substance of ‘A’ is hard and non pliable whereas ground substance of ‘B’ is solid and pliable. ‘A’ differs from B in such a way that former [7]
The ground substance of ‘A’ is hard and non-pliable whereas ground substance of ‘B’ is solid and pliable. A is bone having several concentric layers (lamellae) of bone matrix.
Describe each pair of objects given below in at least two different ways: One example has been done for you.. Consider the following statements (i)- (iii), each with one or two blanks.
(ii) Some of the columnar or cuboidal cells get specialised for secretion and are called ______ (3) epithelium. (iii) ______ (4) junctions help to stop substances from leaking across a tissue.
Connective Tissue [8]
Connective tissue is an umbrella term that encompasses a variety of tissue types, that connect, support and help bind other tissues in the body. Connective tissue divides into three categories: loose connective tissue, dense connective tissue, and specialized connective tissue.
– Dense connective tissue, that forms tendons and ligaments, consists of a higher density of collagen fibers.. – Examples of specialized connective tissues are adipose tissue, cartilage, bone, blood, and lymph[1].
Together, the ground substance and fibers make up the extracellular matrix (ECM), which is the structural support of surrounding cells throughout the body. The composition of the ECM varies tremendously from organ to organ, which allows for the diverse types of connective tissue[2].
Histology at SIU, connective tissue [9]
Connective tissue comprises one of the four basic tissue types. The others are: epithelial tissue (surfaces and glands), muscle tissue (contractile cells), and nervous tissue
Each tissue type retains its fundamental character wherever it occurs.. For additional introductory exercises, see Ed (The Path Guy)’s Basic Histology Gallery.
Blood vessels and nerves travel through connective tissue.. – Connective tissue functions not only as a mechanical support for other tissues but also as an avenue for communication and transport among other tissues
Connective Tissue: The Histology Guide [10]
The ‘ground substance’ of extracellular matrix is an amorphous gelatinous material. It is transparent, colourless, and fills the spaces between fibres and cells
These molecules are very good at absorbing water, rather like a sponge, such that 90% of the extracellular matrix is made up of water. This means that the ECM is very good at resisting compressive forces.
One sugar residue in the pair is always an amino sugar (N-acetylglucosamine, or N-acetylgalactosamine) – hence the name aminoglycan. The other sugar residue is usually glucoronic or iduronic acid.
Anatomy, Connective Tissue [11]
This book is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) ( http://creativecommons.org/licenses/by-nc-nd/4.0/ ), which permits others to distribute the work, provided that the article is not altered or used commercially. You are not required to obtain permission to distribute this article, provided that you credit the author and journal.
Treasure Island (FL): StatPearls Publishing; 2023 Jan-.. Connective tissue is one of the basic tissue types of the body
While the various connective tissues of the body are diverse, they share numerous structural and functional features that explain why they are subsumed into a single tissue category. Connective tissue can be broken down into two primary categories: connective tissue proper and specialized connective tissue
Mesenchymal Tissues [12]
The greatest amount of bulk of the body is composed of the cells forming tissues that are considered “soft” tissues or connective tissues. These are embryologically derived from the mesoderm
Fibroblasts: form much of “connections” of connective tissues in the form of capsules, sheaths, fascial planes, tendons, and ligaments.. Mesothelium: forms the single layer cuboidal cell lining of body cavities and spaces, such as the peritoneal cavity or synovial cavity of the knee joint.
Mesenchymal tissues can be part of many organs and help to give the organs shape and strength. The basic component of many soft tissues or supporting structures is the substance collagen
Connective tissue | Definition, Components, & Function [13]
Our editors will review what you’ve submitted and determine whether to revise the article.. – muscle bone adipose cell adipose tissue subcutaneous layer
The connective tissues include several types of fibrous tissue that vary only in their density and cellularity, as well as the more specialized and recognizable variants—bone, ligaments, tendons, cartilage, and adipose (fat) tissue.. In the abdominal cavity, most organs are suspended from the abdominal wall by a membranous band known as the mesentery, which is supported by connective tissue; others are embedded in adipose tissue, a form of connective tissue in which the cells are specialized for the synthesis and storage of energy-rich reserves of fat, or lipid
The individual bones of the skeleton are held firmly together by ligaments, and muscles are attached to bone by tendons, both of which are examples of dense connective tissue in which many fibre bundles are associated in parallel array to provide great tensile strength. At joints, the articular surfaces of the bones are covered with cartilage, a connective tissue with an abundant intercellular substance that gives it a firm consistency well adapted to permitting smooth gliding movements between the apposed surfaces
Practice Questions for Exam 1 :: IPHY 3410-100 [14]
NOTE: these questions are intended for practice only. They do not reflect all major topics covered in the lectures.
connective tissue; it has a large amount of extracellular matrix. an organism; it is composed of multiple organ systems
Which of the following is NOT found in the epidermis?. The alveoli (surface responsible for gas exchange) in the lungs are lined with _____________ epithelium.
Connective Tissue [15]
A summary of the various kinds of connective tissues is given in Figure 1 and Table 1.. The following information identifies a few select features of connective tissue.
There is a wide range of vascularity among connective tissues, although most are well vascularized (unlike epithelial tissues, which are all avascular).. Connective tissue consists of scattered cells immersed in an intercellular material called the matrix
Fundamental cell types, characteristic of each kind of connective tissue, are responsible for producing the matrix. Immature forms of these cells (whose names end in blast) secrete the fibers and ground substance of the matrix
Connective tissues – Histology [16]
While epithelia cover and protect, connective tissues “connect” and store. Connective tissues fill the spaces between other tissues and form organs
Connective tissues differ significantly from epithelial tissues; they have relatively few cells that are not necessarily connected, and these cells are immersed in a considerable quantity of extracellular matrix. This matrix is a composite of “filler material,” also called ground substance, and varying quantities of fibers
– fill the spaces between other tissues and bind organs together.. – support organs, by forming fascia and sheaths, ligaments, and tendons.
Sources
- https://histology.siu.edu/intro/ct.htm#:~:text=Loose%20connective%20tissue%20has%20a,that%20characterizes%20dense%20connective%20tissue.
- https://courses.lumenlearning.com/suny-ap1/chapter/connective-tissue-supports-and-protects/#:~:text=School%20%C2%A9%202012)-,Bone,a%20form%20of%20calcium%20phosphate.
- https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Anatomy_Lab/03%3A_Histology/3.03%3A_Examining_Connective_Tissue#:~:text=Both%20bone%20and%20cartilage%20use,phosphate%20compound%20known%20as%20hydroxyapatite.
- https://bio.libretexts.org/Bookshelves/Human_Biology/Human_Anatomy_Lab/03%3A_Histology/3.03%3A_Examining_Connective_Tissue
- https://guides.hostos.cuny.edu/bio140/3-13
- https://en.wikipedia.org/wiki/Ground_substance
- https://byjus.com/question-answer/a-b-are-types-of-connective-tissues-the-ground-substance-of-a-is-hard-and/
- https://www.physio-pedia.com/Connective_Tissue
- https://histology.siu.edu/intro/ct.htm
- https://www.histology.leeds.ac.uk/tissue_types/connective/connective_groundS.php
- https://www.ncbi.nlm.nih.gov/books/NBK538534/
- https://webpath.med.utah.edu/HISTHTML/NORMAL/NORMAL07.html
- https://www.britannica.com/science/connective-tissue
- https://spot.colorado.edu/~saul/iphy3410/exams/exam1more.html
- https://www.cliffsnotes.com/study-guides/anatomy-and-physiology/tissues/connective-tissue
- https://uta.pressbooks.pub/histology/chapter/connective-tissues/
