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Elastic cartilage, SEM
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Elastic cartilage, SEM
Elastic cartilage. Coloured scanning electron micrograph (SEM) of a section through elastic cartilage (central horizontal strip) from a pinna (external ear). Elastic cartilage maintains the semi-rigid, flexible shape of the ear. It contains fibres of the protein elastin. Cartilage is a firm and flexible connective tissue. It is composed of chondrocyte cells embedded in holes (black) in an extracellular matrix (brown). The layers of skin (top and bottom) enclosing the cartilage are also seen. The pinna, channels sound waves into the internal ear. Magnification unknown
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Media ID 6420460
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Aural Auricle Cartilage Chondrocyte Chondrocytes Connective Tissue Dermal Dermis Elastic External Histology Matrix Outer Pinna Skin Structural Section Sectioned
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This print showcases the intricate beauty of elastic cartilage found in the external ear, also known as the pinna. In this coloured scanning electron micrograph (SEM), we are granted a glimpse into the structural wonders of this semi-rigid yet flexible tissue. Elastic cartilage plays a vital role in maintaining the unique shape and functionality of our ears. It owes its remarkable properties to an abundance of elastin fibers, a protein responsible for its elasticity. This connective tissue is composed of chondrocyte cells nestled within holes in an extracellular matrix, which gives it both firmness and flexibility. The layers of skin that enclose this delicate cartilage can be observed on top and bottom, emphasizing how seamlessly they work together to protect and support our auricles. The pinna's primary function is to channel sound waves into our internal ear, enabling us to perceive auditory stimuli with astounding precision. Through an unknown magnification level, Science Photo Library has captured not only the outer structure but also the essence of healthiness and normality present in this image. This SEM photograph serves as a testament to human anatomy's intricacy while highlighting the significance of elastic cartilage in shaping one aspect of our complex bodies.
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