Olfaction Collection (page 2)

Olfaction, also known as the sense of smell, is a fascinating and intricate process that takes place within our nose and sinuses

Nasal lining, TEM
Nasal lining. Transmission electron micrograph (TEM) of a section through cilia (green) covering the epithelial lining of the nasopharyx, the part of the throat behind the nasal cavity

Olfaction Collection: Smell receptors, TEM

Smell receptors, TEM
Smell receptors. Coloured transmission electron micrograph (TEM) of a section through smell receptors (cilia) projecting from an olfactory neurone (blue)

Olfaction Collection: Nose and brain anatomy, artwork

Nose and brain anatomy, artwork
Nose and brain anatomy. Artwork of a sagittal section through the human head, showing the anatomy of the brain and nasal cavity

Olfaction Collection: Gecko sensory organ, SEM

Gecko sensory organ, SEM
Gecko sensory organ. Coloured scanning electron micrograph (SEM) of a sensory organ from the mouth of a gecko. These organs may be receptors for the vomeronasal organ

Olfaction Collection: Olfactory epithelium, artwork

Olfactory epithelium, artwork
Olfactory epithelium. Computer artwork showing the structure of the specialised layer of tissue that lines the inside of the nasal cavity and is involved in smell

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Olfaction, also known as the sense of smell, is a fascinating and intricate process that takes place within our nose and sinuses. Through the use of advanced medical imaging techniques such as CT scans and X-rays, we can now explore the complex pathways involved in this sensory experience. Imagine looking down at a gardenia flower from above, its delicate petals releasing an enchanting fragrance. With an X-ray image, we can visualize how this scent travels through our nasal cavity and interacts with our olfactory receptors. A cross-section illustration reveals the intricate structures within our nasal cavity: the nasal epithelium and smell receptors responsible for detecting different odors. It's incredible to think about how these tiny receptors play a crucial role in deciphering various scents. Intriguingly, Hippolite Cloquet's engraving showcases the human olfactory system in all its complexity. The artwork highlights key components like the olfactory bulb, turbinate bones, frontal sinus, sphenoid sinus - all vital elements in processing smells effectively. X-ray images of lilacs and freesias further emphasize how different flowers emit unique fragrances that captivate our senses. These visuals give us insight into how each plant species has evolved distinct odor profiles to attract pollinators or ward off predators. The SEM image of nasal lining provides a microscopic view of the specialized cells that line our nostrils. These cells contain sensors that detect specific molecules inhaled through our nose - allowing us to perceive countless aromas every day. But it's not just humans who possess an extraordinary sense of smell; canines have their own remarkable olfactory system too. Another artwork depicts this canine ability to detect scents with utmost precision - highlighting their exceptional talent for tracking missing persons or sniffing out contraband items.