| 词汇 | desmosome |
| 释义 | desmosome noun[ C ] anatomy specializeduk /ˈdez.mə.səʊm/ us /ˈdez.məˌsoʊm/ a structure that joins two cells together using proteinplaques(= small raised areas on surfaces inside the body): They differ from skeletal muscle in having smaller fibres, linked by desmosomes. Structural tight junctions and desmosomes serve to anchor the cells together. The epidermis forms a continuous single layer of cells, the plasma membranes of which are joined by numerous septate desmosomes. Intercellular spaces between spinous cells are bridged by desmosomes that promote mechanical coupling between cells of the epidermis. Substances & structures in the body abductor accessorius ACL actin adductor funiculus fusiform glomerular glomerulus GnRH navicular neuroendocrine neurohormonal neurohormone nociceptive tendinous tendinum tendo tensor Th Examples of desmosomedesmosome The neural bulb was attached to the tegument by a circumferential septate desmosome just below the level of the basal body (fig. 12, sd). Within the cytoplasm the desmosome consists of an inner and outer plaque. The junction between the oesophageal tegument and the caecum is demarcated by a clear septate desmosome. Note septate desmosome connecting excretory epithelium to tegument. Junction between a secretory gland cell duct and the outer syncytium demarcated by a desmosome. 19. We have found the first human mutation in a cadherin present in desmosome cell junctions, which removes a portion of this highly conserved first extracellular domain. The nephridiopore tegument abutted the epithelial layer lining the excretory bladder, and was attached to it by a large desmosome at the apical part of the tegument (fig. 6). They are similar in form to desmosomes when visualized by electron microscopy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The desmosomes are composed of several proteins, and many of those proteins can have harmful mutations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Two such junctions, desmosomes and hemidesmosomes which link intermediate filament networks between cells have been shown to associate with plectin. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The cadherin pathway is present in adhesion junctions or in desmosomes and it is responsible for epithelial adhesion and communication with adjacent cells. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. While desmosomes link two cells together, hemidesmosomes attach one cell to the extracellular matrix. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are mainly 5 different types of cell junctions: tight junctions, adherens junctions, desmosomes, hemidesmosomes, and gap junctions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Integrins are not part of the basal lamina, they are part of desmosomes which are in the basement membrane but not the basal lamina. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Desmin is an intermediate filament protein, which is linked to the desmosomes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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