Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
\
Cover of an old red book on a black background. The book is unfolded. Side view.
superior view of heart showing opening of aorta, superior vena cava, pulmonary trunk with related valve
Old book journal cover, with worn marbled paper pattern, scuffed leather spine and corner
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
Photomicrograph of rotifer, probably Rotaria rotatoria. Rapidly rotating cilia at top of head, internal organs visible. Green circles are algae. Live specimen. Original image at 40X, wet mount, transmitted brightfield illumination. Indistinct image due to motion blur of live specimen and very shallow depth of field of brightfield illumination.
Notoedres cati under the microscope. Notoedric mange, also referred to as Feline scabies, is a highly contagious skin infestation caused by an ectoparasitic and skin burrowing mite Notoedres cati.
In vitro bacterial culture
grey book isolated on white, blue frame for title on the spine
plant rape flower cross section under light mircoscope with white background
Moleskine texture color cover on white background
Collage with old papers
Squash preparation of onion root tip cells stained to reveal chromosomes, Bright field illumination, light microscopy. This image was taken with the X40 objective lens. Depth of focus is extremely low at this magnification. Smaller apertures give greater depth of focus, but image quality deteriorates and resolution is greatly reduced. The aperture in this image was optimised for contrast and resolution. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.
Algae under microscopic view, Diatoms, phytoplankton, fossils, silica, golden yellow
Transmission electron microscope micrographs showing the aspect of muscle fiber sarcomere components in longitudinal (below) and transverse (above) sections at the Z-line, I and A bands and H zone
Pattern Design on Banknote
Close up Plant epidermis with stomata or Leaf Epidermis (Stomata) under microscope.
plant Stem Sclerenchvma C.S. under light mircoscope with white background
Paps smear analysis: Superficial squamous cell, metaplastic squamous cell, koilocytes cell. HPV related change
Ultrasound image of a breast
Breast nodule histology. Gynacomastia, microphotograph of male breast lump show benign ductal epithelial cells and fibrous tissue.
Photomicrograph of Volvox globator, a green algae in various stages of development. Dark green spots are daughter colonies forming inside of parent colony. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
Freshwater aquatic zooplankton and algae under microscope view
Heart Color Ultrasound Medical Examination Image
Demodex mange from a microscope view. The parasite causing a skin disease -Demodecosis.
Monochrome modern watercolor stains and paint stains illustration.
\
Grunge paper background with space for text or image
Vintage book cover background or banner design element, large panorama format, free copy space
Close-up of an abstract surface with green and yellow brushstrokes, accented by small holes. The image showcases the varied textures and vibrant colors, creating a dynamic and artistic composition.
Free Images: "bestof:Chambers - Volume 1 - 0889.jpg Cyclopaedia Chambers page 1 0888 0889 0890"
Terms of Use   Search of the Day