olfactory sensors.....actually sensilla They are insect chemosensory structures
3D Images: Exploring the Human Brain
The anatomy of the brain comes to life in these 3D images, revealing bright blue-and-red blood vessels, optic nerves crisscrossing on their way from the eyes to the brain, and other typically hidden delicate brain structures.
Endovascular thrombectomy has been shown to benefit patients with acute stroke and large-vessel occlusions. This illustration was created for a journal article tracking to what extent these technologies have taken off, and to what extent interventional cardiologists are actually using them.
Coloured scanning electron micrograph (SEM) of a red blood cell squeezing out of a torn capillary. A capillary is the smallest type of blood vessel, often only just large enough for red blood cells to pass through.