Eye muscle, TEM C014 / 1467
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Eye muscle, TEM C014 / 1467
Eye muscle. Transmission electron micrograph (TEM) of a section through a striated muscle cell from the ciliary muscle of a human eye, showing mitochondria (dark purple) and sarcoplasmic reticulum (lighter purple) that separates the myofibrils (pink). Basal lamina tissue and collagen (white, bottom) surround the cells membrane (yellow). The ciliary muscle is a ring of striated smooth muscle in the eyes middle layer that is contracted to alter the curvature of the lens and focus light on the retina at the back of the eye. Magnification: x8000 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9230217
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Basal Lamina Cell Biology Ciliary Body Collagen Cytological Cytology Histological Histology Inside Internal Iris Ligament Ligaments Membrane Mitochondria Mitochondrion Muscles Muscular Myofibril Myofibrils Myological Myology Ocular Ophtalmological Ophthalmology Physiological Physiology Sarcoplasmic Reticulum Sight Tissue Transmission Electron Micrograph Transmission Electron Microscope Vision
EDITORS COMMENTS
This print showcases the intricate details of an eye muscle, providing a glimpse into the fascinating world of cellular biology. Taken using a transmission electron microscope (TEM), this image reveals the inner workings of a striated muscle cell found in the ciliary muscle of a human eye. The photograph highlights various structures within the cell, such as mitochondria and sarcoplasmic reticulum, which play crucial roles in its function. The myofibrils, depicted in pink, are separated by lighter purple sarcoplasmic reticulum and surrounded by dark purple mitochondria. Surrounding the cells is collagen and basal lamina tissue represented in white at the bottom, while the yellow membrane encloses them. The ciliary muscle itself is responsible for altering lens curvature to focus light on the retina located at the back of our eyes. This ring-shaped smooth muscle resides within the middle layer of our eyes and aids us in sight perception. With a magnification level of x8000 when printed 10 centimeters wide, this print allows viewers to appreciate both its scientific value and aesthetic appeal. It serves as a reminder that even within ourselves lies an incredibly complex system that enables us to experience vision—a testament to nature's remarkable design.
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