Eye muscle, TEM C014 / 1466
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Eye muscle, TEM C014 / 1466
Eye muscle. Transmission electron micrograph (TEM) of a section through a striated muscle cell from the ciliary muscle of a human eye, showing mitochondria (red) and sarcoplasmic reticulum (pink) that separates the myofibrils (brown). Basal lamina tissue and collagen (white, bottom) surround the cells membrane (green). 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 9227735
© 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 captures the intricate details of an eye muscle at a microscopic level. Taken using a transmission electron microscope, the image showcases a section through a striated muscle cell from the ciliary muscle of a human eye. The various components within the cell are highlighted in vibrant colors, allowing us to delve into its inner workings. The red structures represent mitochondria, which play a vital role in energy production for cellular functions. Surrounding them is the pink sarcoplasmic reticulum, responsible for regulating calcium levels and aiding in muscle contraction. Brown myofibrils form the core of this muscular cell, contributing to its strength and movement. At the bottom of the image lies white basal lamina tissue and collagen, providing structural support and stability to this remarkable organ. The green membrane encloses all these elements, safeguarding their integrity. The ciliary muscle depicted here is part of our eyes' middle layer and possesses striated smooth muscles that contract or relax to modify lens curvature. This adjustment allows us to focus light onto our retina with precision. Through this visual exploration into cellular biology and anatomy, we gain insight into how our bodies function on such intricate levels. It serves as a reminder of both nature's complexity and beauty simultaneously captured by photographer Steve Gschmeissner from Science Photo Library.
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