Hyaline cartilage has a pearly bluishwhite tinge and under a lowpower microscope the matrix appears amorphous and translucent semitransparent as in figure 4. What do you think the function of the cartilage in this location is. Miguel otero, in kelley and firesteins textbook of rheumatology tenth edition, 2017. It is found in nose, trachea, bronchi, ventral ends of ribs and sternal attachment. Hls cartilage and bone and bone histogenesis, hyaline. Elastic cartilage has abundant elastic fibers in addition to collagen, making the. In adults, hyaline cartilage is located in the articular surfaces of movable joints, in the walls of the respiratory tracts nose, larynx, trachea, and bronchi, in the costal cartilages, and in the epiphyseal. This section comes from cartilage in a developing fetal bone. Under a highpower microscope the matrix can be seen to consist of a dense network of very fine collagen fibrils and fibres embedded in proteoglycan gel williams et al 1995. Costal cartilage is composed of what type of cartilage. This is a section of fibrocartilage from the quadriceps tendon near its junction with the patella. Hyaline cartilage is the glasslike hyaline but translucent cartilage found on many joint surfaces. The glass, in our analogy, is the extracellular matrix of the tissue.
It persists in human adults at the ends of bones in freemoving joints as articular cartilage, at the ends of the ribs, and in the nose, larynx, trachea, and. Apr 22, 2020 cartilage is a flexible connective tissue found in multiple areas of the body, including joints, the ear and nose, and intervertebral discs. Histology department histology midterm examination a please note. Robert lewis maynard, noel downes, in anatomy and histology of the. This textbook is written for advanced undergraduate students and. Comprehensive and uptodate, the handbook of histology methods for bone and cartilage offers researchers a practical guide to all the major histological and histomorphometrical methods of bone and cartilage analysisa gold mine of detailed techniques for the preparation of tissue from collection through fixation, embedding, sectioning, and.
Cartilage mucopolysaccharides 261 table 1 the staining properties of hyaline cartiluge untreated methylation deesterification sulfation lacunar capsule. Chondrocytes may lie singly or in pairs, but most often they form short rows between dense bundles of collagen fibres. See your book and the text powerpoints for more information on long bone growth. Is it hyaline, fibrocartilage, or elastic cartilage. Some lacunae contain more than one chondrocyte why is this. It tends to stain more blue than other kinds of connective tissue however, remember that color should never be the main cue you use to identify a tissue. Hematoxylin stains nucleic acidser blue, eosin stains elastincollagenreticular. Cartilage types cartilage exists in the body as three types.
Hyaline cartilage is the most widespread and is the type that makes up the embryonic skeleton. Components of romanovsky stain are methylene blue and eosin. Hyaline most common, found in the ribs, nose, larynx, trachea. Handbook of histology methods for bone and cartilage none.
Hyaline and elastic cartilage are surrounded by a connective tissue capsule called. Histology learning system cartilage and bone and bone histogenesis, hyaline cartilage. Textbook of human histology 6th edition pdf free download. Hyaline cartilage fibrocartilage elastic cartilage bone tissue blood histology of connective tissues. Dec 20, 2010 areas found cartilage occurence hyaline cartilage epiphysial growth plate, ribs, respiratory tract, articular cartilage elastic cartilage pinna, epiglottis, external auditory meatus, arytenoid corniculate, cuneiform cartilage. Histology a microscopic study of human body tissues and. Hyaline cartilage is the most abundant cartilage in the body, and it also. Elastic is found in the external ear, epiglottis and larynx. Introduction bone tissue along with other ct like cartilage, fibrous tissue, fat, blood vessels, nerves, and hematopoietic elements form the individual bones. Hyaline cartilage is found mainly in association with the skeletal system, as articular cartilage, costal cartilage or growth plate, though it does also occur in extraskeletal sites, such as.
Cartilage is a resilient connective tissue composed of cells embedded in an extracellular matrix that is gellike and has a rigid consistency. Cartilage hyaline cartilage elastic cartilage fibrocartilage chondrocytes chondroblasts perichondrium chondrogenesis. Hyaline cartilage connective tissue, right now may be thinking that this subject is very simple, and in all reality it is although some parts are complex and were difficult to learn at first. From about the fifth foetal week precursor cells become rounded and form densely packed cellular masses, chondrification centres. Fresh hyaline cartilage has a translucent appearance, hence the term. Hyaline cartilage hyaline cartilage, human anatomy and. The bar shows the position of the hyaline cartilage. Type ii collagen is the most abundant molecule of the extracellular matrix, although other types of collagen and proteoglycans are present as. In contrast to other cartilage types, collagen type i is dominant in fibrous cartilagedominant in fibrous cartilage. Cartilage support of other tissues throughout the respiratory tract is also prominent. With the best art program of any histology textbook and the most. Hyaline cartilage, the most common type of cartilage, is composed of type ii collagen and chondromucoprotein and often has a glassy appearance. Hyaline cartilage is named for its glassy appearance, and with a few exceptions occurs at the articular surfaces of most bones see section on fibrocartilage for exceptions, the ventral parts of the ribs, the cartilages of the trachea, the first few bronchi in the rat and in some laryngeal cartilages fig.
Hyaline cartilage this is an audio histology slide. April 29, 2020 hyaline cartilage is the most common of the three types of carticlage. Fresh hyaline cartilage is bluishwhite and translucent. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Textbook of human histology 6th edition pdf free books. Toluidine blue stained 200x toluidine blue stained 400x description.
Cartilage is a resilient and smooth elastic tissue, a rubberlike padding that covers and protects the ends of long bones at the joints, and is a structural component of the rib cage, the ear, the nose, the bronchial tubes, the intervertebral discs, and many other body components. It is also most commonly found in the ribs, nose, larynx, and trachea. Fibro is found in invertebral discs, joint capsules, ligaments. Please practice handwashing and social distancing, and check out our resources for adapting to these times. Note the numerous chondrocytes in this image, each located within lacunae and surrounded by the cartilage they have produced. In the embryo, it serves as a temporary skeleton until it is gradually replaced by bone. Hyaline cartilage is found mainly in association with the skeletal system, as articular cartilage, costal cartilage or growth plate, though it does also occur in extraskeletal sites, such as the larynx, trachea, bronchi and nose. This new edition of the bestselling english edition of junqueiras basic histology. Is composed of hyaline cartilage and is one of the few surfaces in the body that isnt lined by an epithelium. Handbook of histology methods for bone and cartilage is an outgrowth of the editors own quest for information on bone and cartilage histology and histomorphometry.
Although the matrix appears blue green, the typical organisation of cartilage is readily visible. It is designed to be an experimental guide for personnel who work in the areas of basic and clinical bone and cartilage, orthopedic, or dental research. Hyaline cartilage an overview sciencedirect topics. Hyaline cartilage figure 72 is the most common and best studied of the three forms. Staining properties of hyaline cartilage deep blue. It is normally blue white, smooth with a moist surface and turns yellow and becomes thinner in old age. Cartilage is a flexible connective tissue found in multiple areas of the body, including joints, the ear and nose, and intervertebral discs. Hyaline cartilage, the most abundant type of cartilage, plays a supportive role and assists in movement. Oct 28, 2014 a read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The photomicrographs show the main features of b hyaline cartilage, c fibrocartilage. Hyaline cartilage definition of hyaline cartilage by. May 11, 2020 hyaline cartilage is the most common of the three types of carticlage. These cells have relatively small nuclei and often.
Hyaline cartilage is the most abundant in the body and surrounded by perichondrium. Also at ventral ends of ribs and as articular cartilage on the bone surfaces. The hyaline cartilage in the trachea is in the middle of the tracheal wall. In its fresh state, it is homogeneous and semitransparent. Alcian blue colloidal iron aldehyde fuchsin azure a 2. This book includes some images that are not in the online lab manual and supplements. Note that this hyaline cartilage has the appearance of bubbles trapped in glass fig. Hyaline cartilage p perichondrium c chondrocyte in lacunae m matrix stay safe and healthy. This new edition of jaypees well established colour atlas and practical guide has been enriched by the addition of a large number of new photomicrographs of human tissues. Hyaline cartilage is characteristically imaged as an anechoic, homogeneous. One of the following is not a characteristic of the endocrine system. Fibrocartilage is a support and binding tissue with strong shockabsorbing capabilities.
Be able to recognize the three major cartilage types hyaline, elastic and fibrocartilage in light microscopic sections and know where each type is found in the. The appearance of the cartilage in this preparation a blue green colour will depend on the method used to show tissue components other than elastic fibres. Grossly, hyaline cartilage is opaque and flexible think of the sternal cartilage associated with a chicken breast. The cartilage forming cells, chondroblasts, begin to secrete the components of the extracellular matrix of cartilage. Hyaline cartilage develops, like other types of connective tissue, from mesenchymal cells. In adults, hyaline cartilage is located in the articular surfaces of movable joints, in the walls of the respiratory tracts nose, larynx, trachea, and bronchi, in the costal cartilages, and in the. Click on the button below the histology image and you will hear me give a brief description of the histology slide. See more ideas about hyaline cartilage, anatomy and physiology and histology slides.
The photomicrographs show the main features of b hyaline cartilage, c elastic cartilage, and d fibrocartilage. Cells of this connective tissue play important roles in bone histogenesis and in the. The extracellular matrix of the mature hyaline cartilage shows a bluish color and uniform appearance. Test your knowledge and try and answer these questions.
Hyaline cartilage is the articular cartilage of long bones, sternum, ribs etc. The cartilage maintains its metabolic needs instead from synovial fluid from synovial membrane connective tissue which looks like an epithelium but is a connective tissue layer. Most of the skeleton is preformed in hyaline cartilage. It is present in the symphysis pubis, and sternoclavicular joint etc. Cartilage support of other tissues throughout the respiratory system is also prominent. Hyaline cartilage definition is translucent bluishwhite cartilage with the cells embedded in an apparently homogeneous matrix present in joints and respiratory passages and forming most of the fetal skeleton.
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