Smell receptors, TEM
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Smell receptors, TEM
Smell receptors. Coloured transmission electron micrograph (TEM) of a section through smell receptors (cilia) projecting from an olfactory neurone (blue). This nerve cell is responsible for detecting smell. The swollen part of the cell is the olfactory vesicle. Information from the receptors is passed to the olfactory bulb in the brain, where it is processed. There are over a million olfactory receptor cells in a human nose, all located in a small area at the back of the nasal cavity. Magnification: x12, 000 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6389579
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Cell Biology Cilia Ciliated Cilium Cytology Epithelial Tissue False Colour Hair Hairs Histological Histology Lining Microscope Nasal Cavity Nerve Cell Neuron Neurone Nose Olfaction Olfactory System Receptor Receptors Sense Sensory Smell Swelling Transmission Electron Transmission Electron Micrograph Vesicle False Coloured Section Sectioned
EDITORS COMMENTS
This print showcases the intricate world of smell receptors. In this coloured transmission electron micrograph (TEM), we are given a glimpse into the fascinating anatomy of our olfactory system. The image captures a section through smell receptors, also known as cilia, projecting from an olfactory neuron in vibrant blue. These tiny structures play a crucial role in our ability to detect smells. The swollen part of the cell visible here is called the olfactory vesicle, which acts as a hub for processing information received from these receptors. This data is then transmitted to the olfactory bulb located in our brain. Remarkably, there are over a million olfactory receptor cells concentrated within a small area at the back of our nasal cavity. This microscopic view reveals their arrangement and organization within this specialized region. The false-coloured image allows us to appreciate the complexity and beauty hidden within our sense of smell. It serves as a reminder that even on such minuscule scales, biology continues to amaze us with its intricacy and precision. This stunning photograph not only highlights the wonders of human anatomy but also emphasizes how essential each component is in enabling us to experience one of life's most evocative senses - smell.
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