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Universal indicator paper for pH value is shown in use on a lemon with a pH value of approx. 3, and a piece of hand soap with a pH value of approx. 11.
Young medical student woman studying about the human body on classroom at university
ascaris megalocephala cross section under the microscope showing an ovary - optical microscope x200 magnification
plant Pumpkin ovary under light mircoscope with white background
This ia a detail of a microscope
Plant scientists working at plant pathology laboratory where fungal, bacterial and viral pathogens are identified and studied using various methodologies. Research of micro organism is made the cellular level.
Slime molds, as a group, are polyphyletic under the microscope for education.
Close up view of a scientist's hand holding a cultivated meat sample with tweezers
Microscope photo of steam rust, Puccinia graminis, on leaf.
An unrecognizable woman with protective gloves makes a mixture for natural sulfate-free soap
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.
Potato Plant cultivation technique with aeroponic system in Greenhouse.
Root plant show root vascular tissue under light microscope view for education.
A woman carefully harvests Lingzhi mushrooms on the farm, preparing them for medicinal elixirs.
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.
Background of mold in the wood of the house.
Doctor orthopedist shows to the anatomical model of the foot. Arthritis, foot injuries, flat feet and pain
Skull and heart model on classroom
superior view of heart showing opening of aorta, superior vena cava, pulmonary trunk with related valve
Pickled ginger root under the light microscope, magnification 100 times, microscope objective 10
Female Doctor teaching using Anatomical model
amazing inhabitants of the microworld under a microscope
Concept of cultured meat
Close-up of a female doctor preparing medicine in the pharmacy laboratory
The study of tissue samples of Trachea of Cat, Epididymis, Prostate, Uterus with embryo of rat and Mammary gland cow under the microscope in Lab.
Close-up of hands with blue nitril gloves holding a metal spoon, filling a plastic test tube with milled sample. Sample preparation for GMO testing. Science, laboratory.
Orthopedist holding and showing a foot model
Microscope photo of a section through the stem of a rice plant.
Veterinarian works at their own clinic
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