Cilium Collection

Brain surface, SEM
Brain surface. Coloured scanning electron micrograph (SEM) of the surface of a brain ventricle. Ventricles are cavities within the brain that are continuous with the central canal of the spinal cord

Trachea lining, SEM
Trachea lining, coloured scanning electron micrograph (SEM). The tracheal lining contains mucus-secreting goblet cells and epithelial cells bearing hair-like cilia (blue)

Spider lily flower stamen, SEM
Spider lily flower stamen. Coloured scanning electron micrograph (SEM) of a cilia (hair-like structures) from a spider lily flower (Hymenocallis sp.) stamen

Fallopian tube, SEM
Fallopian tube. Coloured scanning electron micrograph (SEM) of the surface of a human fallopian tube. Fallopian tubes are ducts that lead from the ovaries to the uterus

Inner ear hairs, SEM
Inner ear hairs. Coloured scanning electron micrograph (SEM) of stereocilia, sensory hair-like projections, from hair cells of the cochlea of the inner ear

Paramecium sp. protozoan, SEM
Paramecium protozoan. Coloured scanning electron micrograph (SEM) of a Paramecium sp. protozoan. This single-celled organism is aquatic, living in freshwater habitats

Nasal lining, SEM
Nasal lining. Coloured scanning electron micrograph (SEM) of the olfactory epithelium that lines the nasal cavity, showing olfactory cells (red) surrounded by numerous cilia (hair-like projections)

Trachea lining, SEM C013 / 7126
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of a trachea (wind pipe), showing the cilia (hair-like) and goblet cells (orange). The trachea links the larynx to the lungs

Trachea lining, SEM C013 / 7122
Trachea lining. Coloured scanning electron micrograph (SEM) of a section through the wall of a trachea (wind pipe). The trachea links the larynx to the lungs

Paramecium bursaria protozoan, micrograph
Paramecium bursaria protozoan, light micrograph. This ciliate protozoan inhabits freshwater, where it feeds mainly on bacteria

Allergens in trachea. Coloured scanning electron micrograph (SEM) of the surface of the trachea (windpipe) with a number of pollen grains (yellow) attached

Trachea, SEM
Trachea. Coloured scanning electron micrograph (SEM) of the lining of the trachea (windpipe). The trachea links the larynx (voice box) to the lungs

Paramecium protozoa, light micrograph
Paramecium bursaria protozoa, light micrograph. These ciliate protozoa inhabit freshwater, where they feed mainly on bacteria

Trichodina parasite, light micrograph
Trichodina parasite. Differential interference contrast micrograph of Trichodina pediculus. This ciliate parasite lives on the skin, gills and mucous membranes of many aquatic animals

Bacteria on lung hairs
Bacteria in a lung. Computer artwork of bacteria (yellow) on cilia (hair-like structures) in a lung. Bacterial infection of the lungs can cause potentially fatal pneumonia

Illustration of Trochophore, a transparent marine larva showing internal organs and abundance of external cilia

Illustration of Blue Mussel (Mytilus edulis), showing oval opening and fringed opening, and barnacles growing on shell

Digital cross section illustration of ciliate cell showing rhinovirus and antobodies in nasal cavity

Conceptual image of paramecium

Microscopic view of paramecium

Conceptual image of plasmodium causing malaria

Microscopic view of Paramecium bursaria, a species of ciliate protozoan that has a mutualistic symbiotic relationship with green algae called Zoochlorella

Microscopic view of protozoa. Leishmaniasis and dysentery are examples of diseases involving protozoa, often transmitted to humans by the bite of a parasite-carrying insect

The Adoration. Virgin Mary, hands in position of prayer, kneels over the infant Christ. At top, hands hold the Virgins crown and two cherubims look down

Trachea lining, SEM C016 / 9756
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of the trachea (wind pipe). The trachea links the larynx to the lungs

Ampullary cupula, artwork
Ampullary cupula. Computer artwork showing how the ampullary cupula in the human vestibular system of the inner ear senses head rotation (top) and forward motion (bottom)

Holosticha ciliate protozoan, SEM
Holosticha ciliate protozoan. Coloured scanning electron micrograph (SEM) of a Holosticha sp. ciliate protozoan ingesting diatoms (blue). Holosticha is a tiny single-celled aquatic organism

Euplotes protozoa, SEM C016 / 9040
Euplotes protozoa. Coloured scanning electron micrograph (SEM) showing the upperside (bottom) and underside (top) of two Euplotes sp. hypotrich ciliate protozoa

Climacostomum protozoan, SEM C016 / 9063
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Climacostomum protozoan, SEM C016 / 9121
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Climacostomum protozoan, SEM C016 / 9061
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, upper right)

Climacostomum protozoan, SEM C016 / 9120
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Climacostomum protozoan, SEM C016 / 9065
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, upper right)

Climacostomum protozoan, SEM C016 / 9064
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Climacostomum protozoan, SEM C016 / 9122
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, centre)

Euplotes protozoa, SEM C016 / 9041
Euplotes protozoa. Coloured scanning electron micrograph (SEM) showing the upperside (bottom) and underside (top) of two Euplotes sp. hypotrich ciliate protozoa

Climacostomum protozoan, SEM C016 / 9062
Climacostomum protozoan. Coloured scanning electron micrograph (SEM) of a Climacostomum sp. unicellular ciliate protozoan, showing the cells large oral apparatus (round, upper right)

Ciliate protozoan ingesting algae. Darkfield illuminated light micrograph of a ciliate protozoan ingesting green algae (green)

Tetrahymena protozoan, SEM
Tetrahymena protozoan. Coloured scanning electron micrograph (SEM) of a Tetrahymena sp. ciliate protozoan. Tetrahymena are free-living freshwater unicellular organisms found in ponds

Smell receptor, TEM
Smell receptor. Transmission electron micrograph (TEM) of a section through the olfactory epithelium that lines the nasal cavity, showing an olfactory cell (smell receptor)

Ciliate protozoan, light micrograph
Ciliate protozoan. Darkfield illuminated light micrograph of a ciliate protozoan, showing green algae (green) that it has ingested

Sperm cells, artwork C018 / 7004
Sperm cells. Computer artwork of numerous sperm cells (spermatozoa) swimming through the cilia (hair-like) that line the uterus (womb)

Trachea lining, SEM C016 / 9755
Trachea lining. Coloured scanning electron micrograph (SEM) of the lining of the trachea (wind pipe). The trachea links the larynx to the lungs

Trachea lining, TEM C014 / 1469
Trachea lining. Transmission electron micrograph (TEM) of a longitudinal section through the lining of the trachea (windpipe), which links the larynx (voicebox) to the lungs

Didinium ciliate protozoan, SEM C019 / 0235
Didinium sp. ciliate protozoan, coloured scanning electron micrograph (SEM). This tiny single-celled organism is found in freshwater and marine habitats

Didinium ciliate protozoan, SEM C019 / 0237
Didinium sp. ciliate protozoan, coloured scanning electron micrograph (SEM). This tiny single-celled organism is found in freshwater and marine habitats

Gastrotrich, SEM C019 / 0231
Gastrotrich. Coloured scanning electron micrograph (SEM) of a Chaetonotus sp. gastrotrich. Gastrotrichs are microscopic, worm-like animals found in both freshwater and marine habitats

All Professionally Made to Order for Quick Shipping

"Cilia: The Tiny Powerhouses of the Microscopic World" Cilia, those hair-like structures found in various parts of our body and beyond, are truly remarkable. From the brain surface to the trachea lining, from spider lily flower stamen to fallopian tube cells, these tiny appendages play vital roles in different organisms. Underneath a scanning electron microscope (SEM), we can witness the intricate beauty of cilia. In the brain lining, they form a dense carpet-like layer that helps facilitate communication between neurons and ensures efficient functioning of our nervous system. Moving down to the trachea lining, SEM reveals an astonishing sight. Cilia here act as nature's broomsticks, constantly beating in unison to sweep away mucus and foreign particles that enter our respiratory system. They serve as guardians protecting us from harmful invaders. Even plants have their own version of cilia. Spider lily flower stamen showcases delicate filaments with ciliary structures under SEM examination. These specialized hairs aid in pollination by capturing pollen grains and facilitating their transfer for reproduction. Intriguingly, fallopian tubes also possess ciliated cells that assist in guiding eggs towards fertilization sites within a woman's reproductive system. Under SEM scrutiny, these microscopic hairs appear like miniature oars propelling life forward on its journey towards conception. Venturing into another realm altogether – inner ear hairs – we discover yet another crucial function performed by cilia. These sensory receptors help convert sound vibrations into electrical signals that allow us to perceive sounds and maintain balance. The world beneath an SEM doesn't limit itself solely to humans; it extends even further into microorganisms such as Paramecium sp. , where countless tiny cilia cover their entire bodies. These protozoans use synchronized movements of their numerous cilia for locomotion through water environments. Returning back to human anatomy once more - nasal linings reveal complex arrangements of cilia that serve as the first line of defense against airborne pathogens.