The triangular fibrocartilage complex of the wrist was serially sectioned for routine histology. Hyaline cartilage is the most widespread cartilage type and, in adults, it forms the articular surfaces of long bones, the rib tips, the rings of the trachea, and parts of the skull. Histology and dna quantification analysis confirmed substantial removal of cells from the fibrocartilage scaffolds. A stain composed of aniline blue, acid fuchsin, and orange g. Results from eight dissecting room cadavers show that the complex is attached to hyaline cartilage on the radius via its articular disc. Teaching biology cell biology histology slides medicine notes med lab human tissue cells and tissues nursing school notes biomedical science adipose tissue is commonly called fat, it contain adipose cells which insulate the body and protects it from bumps and from extremes of both temperatures.
Histological studies on the triangular fibrocartilage complex. Calcification and ossification of fibrocartilage in the attachment of the patellar ligament in the rat. Choose from 500 different sets of cartilage tissue histology flashcards on quizlet. Examine this area for the characteristics of fibrocartilage. Their nuclei nuc look like dark spots in the lacunae. The matrix stains a dark blue purple while the lacunae are faintly stained or unstained. If you think you are looking at cartilage because you see chondrocytes, the only thing you have. Fibrocartilage is present in the temporomandibular. Fibrocartilage consists of alternating layers of hyaline matrixcells and thick layers of collagen fibers. Apr 22, 2020 fibrocartilage is a type of cartilage which is very rich in type i collagen, and found in areas such as the meniscus of the knee, the pubic symphysis, and the vertebral discs. Fibrocartilage article about fibrocartilage by the free. Hyaline cartilage may be seen slide on several other slides, notably developing.
However, in addition, there is a small quantity of amorphous, pericellular, and territorial matrix that stains metachromatically with toluidine blue. Its composition varies depending on the anatomical location and intended function of the fibrocartilage. Fibrocartilage can be observed where the tendon joins with the cartilage at the very bottom of the slide. Fibrocartilage is primarily composed of type i collagen, and is located in areas like the intervertebral discs and the pubic symphysis. Histologically, it looks more like dense ct than cartilage. However, fibrocartilage also resists tension and is tougher properties of ct proper due to collagen fibers. Fibrocartilage is found in the soft tissuetobone attachments, pubic symphysis, the anulus fibrosus of intervertebral discs, menisci, the triangular fibrocartilage and the tmj. This video covers the structure and function of fibrous cartilage. Hyaline cartilage, the most common type of cartilage, is composed of type ii collagen and chondromucoprotein and often has a glassy appearance.
Rather than reproducing the information found in a histology textbook, a user is shown how to apply this knowledge to interpret cells and tissues as viewed through a microscope. Fibrocartilage has been reported in mammals, birds, reptiles, amphibia, and fish benjamin and evans, 1990. This site includes histology quizzes, histology games, slides, mnemonics, histology puzzles and tons of information about histology. May 11, 2020 fibrocartilage is a transition tissue that should be viewed as a blend between hyaline cartilage and dense fibrous connective tissue. Hyaline cartilage austin community college district. Similar histogenesis can result in elastic external ear or fibrous cartilage intervertebral. These fibrocartilage book scaffolds were decellularized using sequentially 3 freezethaw cycles, 0.
Slide 15fibrous cartilage fibrocartilage return to cartilage and bone page. Introduction cartilage is characterized by an extracellular matrix ecm enriched with glycosaminoglycans and proteoglycans, macromolecules that interact with collagen and elastic fibers. It is the only type of cartilage that contains type i collagen in addition to the normal type ii fibrocartilage is found in the soft tissuetobone attachments, pubic. This strong cartilage is much more thickly embedded with collagen than is hyaline cartilage.
This is a section of fibrocartilage from the quadriceps tendon near its junction with the patella. Although the ground substance in fibrocartilage and hyaline cartilage is made of the same materials hyaluronic acid and complex organic molecules, fibrocartilage looks a lot different because of the number of collagen fibers embedded in the matrix. It owes its inflexibility and toughness to the former of these constituents, and its elasticity to the latter. Fibrocartilage is a support and binding tissue with strong shockabsorbing capabilities.
Fibroblasts lay down collagen fibers to close the fracture osteoblasts lay down spongy bone some osteoblasts become osteocytes to lay down matrix to be calcified. The joints with fibrocartilage and hyaline are more likely to develop cppd. It is a white, densely arranged, opaque, tufted tissue with a mixture of both chondrocytes and fibroblasts. Components of romanovsky stain are methylene blue and eosin. Fibrocartilage is a dynamic tissue that occurs at regions of compression and shear and has been found at virtually all the sites of spondyloarthritis, including the joints and aortic wall. Chondrocytes may lie singly or in pairs, but most often they form short rows between dense bundles of. Fibrocartilage is a transition tissue that should be viewed as a blend between hyaline cartilage and dense fibrous connective tissue.
The matrix is composed of ground substance bound together with characteristic fibers which vary in composition and orientation according to the type of cartilage. Histological studies on the triangular fibrocartilage. Histology pages, school of anatomy and human biology, uwa, australia, by lutz slomianka. You may also notice that elastic cartilage tends to. Pmc free article ferretti a, ippolito e, mariani p, puddu g. Preparation and characterization of a novel decellularized.
Sep, 2015 this video covers the structure and function of fibrous cartilage. 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. It can injure in the form of tearing, with surgery often being required to repair a tear of fibrocartilage or. 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. Test includes tissue identification, tissue locations, embryonic germ layers, vocab and more. Fibrocartilage is a bit tougher and not as springy as other types. This type of cartilage is especially strong and durable, so it appears in areas where these traits are needed. Human blood smear, giemsa stain, 40x red blood cell, neutrophil, lymphocytes, monocytes 43151 x 67377, eosinophils 34777 x 2942, 14930 x 27897, basophil, platelet. Of the four basic tissue types epithelium, connective tissue, muscle and nervous tissue, connective tissue is the most diverse. One of the things that will be expected of you is a good understanding when it comes to histology, and below is what is considered the toughest mcq test on the course. This complex image offers very few clues that are intuitive. 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. It is normally blue white, smooth with a moist surface and turns yellow and becomes thinner in old age. Fibrocartilage collagen fibers continue uninterrupted into fibrocartilage.
It examines the correlation between structure and function. As with hyaline cartilage, fibrils of type ii collagen are present, but they cannot be seen in the light microscope. Fibrocartilage has thick bundles of collagen fibers in the matrix. Fibrocartilage is an avascular tissue that is best documented in menisci. See your book and the text powerpoints for more information on long bone growth. The increased abundance of this ground substance as compared to tendon produces the bluer color of fibrocartilage. It is designed to be an experimental guide for personnel who work in the areas of basic and clinical bone and. Fibrocartilage with images histology slides, microscopic.
Learn cartilage tissue histology with free interactive flashcards. It is not as hard and rigid as bone, but it is much stiffer and much less flexible than muscle. A discussion of stains, dyes and histochemistry is also found in your textbook. White fibrocartilage article about white fibrocartilage by. Like hyaline cartilage, fibrocartilage resists compression and is resilient. Histologically, a typical fibrocartilage is an avascular and aneural tissue that has large, rounded. Hyaline cartilage is the most abundant in the body and surrounded by perichondrium. A form of cartilage rich in dense, closely opposed bundles of collagen fibers. Elastic cartilage, which is yellow in appearance, is more pliable the third type, called. It is the ability to distinguish fibers in routine histology preparations that is central to distinguishing fibrocartilage from hyaline cartilage. It is found in nose, trachea, bronchi, ventral ends of ribs and sternal attachment.
Oct 12, 2001 cartilage histology lab cartilage is a connective tissue in which the cells are relatively sparse and embedded in a large amount of firm characteristic matrix. Oct 28, 2014 lecture 1 histology of cartilage and bonerev1 readonly. Variations in the composition of these matrix components produce three types of cartilage adapted to local biomechanical needs. Histology pages, school of anatomy and human biology, uwa, australia. Fibrocartilage is sometimes referred to as white cartilage. White fibrocartilage article about white fibrocartilage. Lecture 1 histology of cartilage and bonerev1 readonly. Elastic cartilage, which is yellow in appearance, is more pliable in connective tissue. The tfcc is a group or complex of ligament and cartilage structures that together serve four major functions related to the. However, the cells chondrocytes in their lacunae are now spherical, protected by the surrounding firmrubber ground substance. Handbook of histology methods for bone and cartilage. 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. Histology is the study of the microanatomy of cells, tissues, and organs as seen through a microscope.
Triangular fibrocartilage tear syndrome, also known as triangular fibrocartilage complex tfcc lesion, is caused by trauma or degenerative changes to the wrist. What is the different between cartilage and fibrocartilage. Fibrocartilage is the tough, very strong tissue found predominantly in the intervertebral disks and at the insertions of ligaments and tendons. Fibrocartilage has a dense arrangement of cartilage fibers that are arranged in an orderly manner. Note the numerous chondrocytes in this image, each located within lacunae and surrounded by the cartilage they have produced.
Diagnostic and therapeutic uses of the arthroscope in rheumatoid arthritis and osteoarthritis. Numerous chondrocytes are located within their lacunae and are spaced between the fibers. Click on the button below the histology image and you will hear me give a brief description of the histology slide. Federica morandi, in textbook of veterinary diagnostic radiology seventh edition, 2018. Histology slides cells and tissues microscopic images bio art human anatomy and physiology cell membrane anatomy study student studying school. A comprehensive, fun and entertaining site devoted exclusively to histology. White fibrocartilage consists of a mixture of white fibrous tissue and cartilaginous tissue in various proportions. These cells have relatively small nuclei and often. Fibrocartilage in the attachment zones of the quadriceps tendon and patellar ligament of man. Book october 2017 with 22,273 reads how we measure reads a read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a. During labor, relaxin loosens the pubic symphysis to aid in delivery, but this can lead to later joint problems. Fibrocartilage is a type of cartilage which is very rich in type i collagen, and found in areas such as the meniscus of the knee, the pubic symphysis, and the vertebral discs.