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Light micrograph of an unstained iris showing the localisation of pigment cells in the iris pupillary border The pigment melanin is located in the po
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Ciliary body pigment light micrograph Unstained ciliary body (pars plicata) showing the location of pigment in the folds or ciliary processes (inne
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Ciliary body epithelium light micrograph The ciliary body is lined by a double-layered epithelium This unstained ciliary body epithelium clearly sh
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Light micrograph of the rear surface of an unstained iris showing the localisation of pigment cells The melanin pigment is concentrated in the rear s
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Light micrograph of a retina stained with the Golgi method The cells at top are photoreceptors mainly rods They show an ovoid-shaped cell body an
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Light micrograph showing the limit between the sclera white of the eye and lamina fusca (top right) The sclera is a dense connective tissue made of
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Light micrograph of the eye of an embryo showing from top left to bottom fused eyelids anterior chamber cornea posterior chamber and lens lined b
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Light micrograph of the inner layers of the eyeball showing from bottom the choroid stroma with blood vessels and pigment cells the choriocapillari
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Human ciliary body light micrograph Two ciliary processes lined by a double epithelial layer the non-pigmented inner epithelium and the pigmented e
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Human papillomavirus infected cervical cells Light micrograph of cells from a cervical smear that are infected with the human papillomavirus (HPV) T
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Light micrograph of the posterior surface of the iris showing the strongly pigmented anterior and posterior epithelia This section is near the iris p
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Light micrograph of the anterior surface of the iris lined by stromal fibroblasts and melanocytes It is one of the few body surfaces not lined by an
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Light micrograph of the layers of the eyeball showing from bottom the sclera the choroid with blood vessels and many pigment cells the choriocapil
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Human Iris light micrograph
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Light micrograph of a human retina From top to bottom the retina layers are nerve fibre layer ganglion cell layer inner plexiform layer inner nuc
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Light micrograph of a human eye showing the limit between the neural or photosensitive multi-layered retina (right) and the bilayered ora serrata
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Eye lens light micrograph Equator of the lens in a developing eye showing the transition from lens epithelium (top right corner) to lens fibres by
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Light micrograph of the layers of the eyeball showing from bottom the sclera the choroid stroma with blood vessels and many pigment cells the chor
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Light micrograph of an embryonic eye showing from bottom to top developing lens with lens fibres and anterior columnar simple epithelium Above the
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Amber research Palaeontologist Didier Neraudeau looking at a light microscope monitor showing an insect trapped in amber Amber is the fossilised r
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Light micrograph of the inner layers of the eyeball showing from bottom the sclera the choroid stroma with blood vessels and pigment cells the cho
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Sclera light micrograph The sclera or white of the eye is a dense connective tissue made of mainly type I collagen fibres oriented in different d
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Light micrograph of the ciliary body of the eye which is lined by a double-layered epithelium This micrograph clearly shows this double layer an in
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Light micrograph of eyeball showing its three layers separated by a retraction during sample processing From left bottom are the sclera pigmented ch
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Light micrograph of an unstained ciliary body of the eye showing the melanin granules in the pigmented cells of the ciliary body stroma by JOSE CALV
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Light micrograph of the eye showing from top the choroid stroma with blood vessels and pigment cells the choriocapillaris (a single layer of blood
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Light micrograph of the developing eye of a cat embryo showing from top to bottom fused eyelids anterior chamber cornea and posterior chamber by
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Light micrograph of the developing eye of a rat embryo showing from left to right fused eyelids cornea lens vitreous developing retina and optic
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Light micrograph of the eye of an early albino rat embryo showing from left to right the optic cup with an outer layer (pigment epithelium without p
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False-colour high-resolution transmission electron micrograph (HREM) of the atomic lattice of a thin gold crystal Magnified 16 million times at 35mm
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Light micrograph of the developing eye of a rat embryo showing fused eyelids During eye development the eyelids are initially fused by JOSE CALVO
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Light micrograph of the developing eye of a rat embryo showing from top to bottom fused eyelids anterior chamber cornea posterior chamber and len
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Light micrograph of the developing eye of a rat embryo showing from top to bottom fused eyelids anterior chamber cornea posterior chamber and len
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Light micrograph showing neurons (nerve cells) in a dorsal root ganglion stained with cresyl violet They are pseudounipolar neurons of rounded soma s
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Light micrograph showing neurons (nerve cells) in a dorsal root ganglion stained with cresyl violet They are pseudounipolar neurons of rounded soma s
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Light micrograph showing neurons (nerve cells) in a dorsal root ganglion stained with cresyl violet They are pseudounipolar neurons of rounded soma s
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Sputum smear showing abundant neutrophil leucocytes light micrograph This suggests an acute inflammation of the lung airways (acute bronchitis) by
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Sputum smear showing abundant neutrophil leucocytes light micrograph This suggests an acute inflammation of the lung airways (acute bronchitis) by
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Gastric mucosa light micrograph
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Urine blood cell examination Male technician using an optical binocular microscope to examine urine samples for red and white blood cells Other ba
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Gastric mucosa light micrograph
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Gastric mucosa light micrograph
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Light micrograph if the mucosa of the stomach in the region of the pyloric antrum showing its typical features great depth of the gastric crypts and
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Light micrograph of the fold of the gastric wall showing the mucosa of the stomach in the region of the pyloric antrum with its typical features grea
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Light micrograph if the mucosa of the stomach in the region of the pyloric antrum showing its typical features great depth of the gastric crypts and
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Light micrograph of a human oesophagus showing from top mucosa lined by a stratified squamous epithelium lamina propria muscularis mucosae submuc
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Light micrograph of the muscular layer of the esophagus This layer is unique in having a mixture of smooth muscle fibres and striated muscle fibres i
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Light micrograph of connective tissue from the submucosa of the oesophagus wall showing in the centre adipocytes several fascicles of nerve fibres
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Light micrograph of the muscular layer of the esophagus This layer is unique in having a mixture of smooth muscle fibres and striated muscle fibres i
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Transmission electron microscope Researcher uses a transmission electron microscope (TEM) A beam of electrons is propelled down through a column (
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Light micrograph of human oesophagus mucosa showing the lining of stratified squamous epithelium lamina propria with blood vessels and muscularis muc
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Light micrograph of a human oesophagus showing from top mucosa lined by a stratified squamous epithelium lamina propria muscularis mucosae submuc
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Light micrograph of the ciliated pseudostratified columnar epithelium of the trachea (respiratory epithelium) The apical border of the epithelium has
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Light micrograph of human gingiva (gums) It is lined by a non-keratinised stratified squamous epithelium with long and complex rete ridges The conne
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Light micrograph of the ciliated pseudostratified columnar epithelium of the trachea (respiratory epithelium) The apical border of the epithelium has
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Light micrograph of human gingiva (gums) showing the long and complex rete ridges existing in the base of the non-keratinised stratified squamous epit
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Light micrograph showing the abdomen of a rat embryo at 16 days of development The liver is on the right and on the left is a developing kidney with
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Light micrograph of a developing tooth in the bell stage of odontogenesis The tooth germ still joined to the surface epithelium shows from bottom
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Light micrograph of a developing tooth in the bell stage of odontogenesis The tooth germ still joined to the surface epithelium shows from bottom
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Light microscopy Technician using a light (optical) microscope to study a sample MODEL RELEASED
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Light micrograph of the developing kidney of a rat embryo showing from outside to inside; a renal cortex with a peripheral hypercellular nephrogenic z
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Light micrograph of the developing kidney of a rat embryo showing from outside to inside; a renal cortex with a peripheral hypercellular nephrogenic z
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Light micrograph showing the small intestine of a rat foetus The intestinal villi are already visible lined by a columnar epithelium by JOSE CALVO
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Renal corpuscle development in a foetal kidney light micrograph During kidney development there is a clear maturation gradient so that the deeper
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Light micrograph of the lung of a rat foetus During lung development the conducting airways are formed first followed by the formation and enlargem
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Light micrograph of the developing kidney of a rat embryo showing from outside to inside; a renal cortex with a peripheral hypercellular nephrogenic z
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Light micrograph of the liver of a rat embryo Haematopoiesis occurs temporarily in the foetal liver Haematopoietic islands with a predominance of er
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Vasculogenesis in a rat embryo light micrograph Large blood vessels lined only by endothelium and full of blood cells are developing in the mesenchy
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Light micrograph showing the developing cerebral cortex of a rat embryo From the pial surface the following layers can be seen; marginal zone corti
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Light microscopy Technician using a light or optical microscope to study petri dish cultures MODEL RELEASED
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Developing eye Light micrograph showing the exit point of the optic nerve from the retina This is the blind spot or scotoma of the visual field
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Light micrograph of the developing eye of a rat embryo showing from left to right; fused eyelids cornea lens vitreous developing retina and optic
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Light micrograph showing a developing maxillary sinus of a rat embryo Under the respiratory type pseudostratified columnar epithelium are many develo
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Rat embryo head light micrograph
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Light micrograph of a frontal section of the nasal cavity of a rat embryo showing the medial septum the nasal conchae or turbinate and at the top
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Light micrograph of a developing tooth in the bell stage of odontogenesis The tooth germ still joined to the surface epithelium shows from bottom
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Light micrograph of the nasal septum of a rat embryo showing at bottom the vomeronasal or Jacobsons nasal organ with its typical C shape surroun
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Developing vomeronasal organ light micrograph The vomeronasal or Jacobsons organ is a paired auxiliary olfactory sense organ located in the nasa
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Light micrograph of a developing tooth in the bell stage of odontogenesis The tooth germ still joined to the surface epithelium shows from bottom
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Light microscopy Technicians using a light or optical microscope to study human cells MODEL RELEASED
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Light micrograph of a developing tooth in the bell stage of odontogenesis The tooth germ still joined to the surface epithelium shows from bottom
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Light micrograph of a developing tooth in the bell stage of odontogenesis The tooth germ still joined to the surface epithelium shows from bottom
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Eye lens light micrograph Equator of the lens in a developing eye showing the transition from lens epithelium (top) to lens fibres by JOSE CALVO
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Light micrograph of the developing eye of a rat embryo showing from left to right; fused eyelids cornea lens vitreous developing retina and optic
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Light micrograph showing a semicircular canal ampulla (top) with an ampullary crista leading into the utricle that shows the utricle macula The bo
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Developing ear light micrograph There are two sections through semicircular canals At right is a semicircular canal ampulla with an ampullary crista
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Light micrograph showing four sections of a developing cochlea of the inner ear The epithelial thickening that will be the organ of Corti and the fut
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Light micrograph of Purkinje neurons of the cerebellar cortex stained with the cresyl violet method They have a coarse Nissl body above the nucleus a
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Light micrograph of the dentate gyrus of the hippocampus showing from top molecular layer granular layer with tightly packed small neurons and pol
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Video microscope Technician locating CypherMark DNA (deoxyribonucleic acid) security beads using an optical microscope with video attachment The m
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Light micrograph of cerebellar cortex stained with Cajal silver nitrate showing axons of basket cells running above and parallel to Purkinje cells and
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Light micrograph of cerebellar cortex stained with Cajal silver nitrate showing axons of basket cells running above and parallel to Purkinje cells and
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Light micrograph of cerebellar cortex stained with Cajal silver nitrate showing axons of basket cells running above and parallel to Purkinje cells and
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Cerebellar cortex light micrograph
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Light micrograph of cerebellar cortex stained with Luxol fast blue and cresyl violet Myelinated fibres of the white matter stained in blue with Luxo
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Light micrograph of cerebellar cortex stained with Cajal silver nitrate At this low magnification the basket endings surrounding the Purkinje cell b
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Light micrograph of cerebellar cortex stained with Luxol fast blue and cresyl violet Myelinated fibres of the white matter stained in blue with Luxo
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Light micrograph of cerebellar cortex stained with Luxol fast blue and cresyl violet Myelinated fibres of the white matter stained in blue with Luxo
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Light micrograph of a sagittal section of cerebellum stained with Luxol fast blue and cresyl violet Each cerebellar folium shows the molecular and gr
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Fluorescence microscope Female technician operates a binocular fluorescence microscope a type of optical (light) microscope She looks through two
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