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**393.926 resultados para testicles en vídeos**

Detailed Microscopic View of Human Sperm Cells in Clear Fluid for Scientific Research and Medical Education Spermatozoa Morphology Human Fertility Biology Reproduction

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Man Writing Code On Laptop Computer

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Lab assistant makes urgent blood test for detection of antibodies and infections

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Portrait video of programmer in office using tablet, working to fix bugs in AI system. IT specialist troubleshooting neural network errors with device in tech startup workplace.

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Medical laboratory analysis of kidney function test results with blood and urine data

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Scientist hands with microscope close-up shot in the laboratory

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Video Assorted test tubes filled with vibrant colors and chemicals

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over shoulder doctor writing on a form for a blood test

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Close-up of the Row of Students Writing in the Notebooks, Taking Exam. Focus of Hands with Pens. Shot on RED EPIC-W 8K Helium Cinema Camera.

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Portrait of female scientist with a pipette analyzes a liquid to extract the DNA and molecules in the test tubes in laboratory. Shot in 8K. Concept: research,biochemistry, pharmaceutical medicine

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Technician testing an electronic circuit board with a multimeter. Close-up of an engineer performing diagnostics and repair. Technology maintenance and quality control concept

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Hands of a food scientist mixing experimental food samples in test tubes and petri dishes highlighting the scientific approach to food formulation and preservation.

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Laboratory technician places blood collection tubes into analyzer cassette for automated diagnostic testing in modern medical laboratory environment.

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Young Hand of teacher using red pen write grade A+ (plus) and circle on test score and grading. Concept of measurement and evaluation.

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the inspector checks the form and puts a a worst grade on a exam test

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Older male university student receives alert warning notification for violating academic integrity policies by using AI chatbot for assignment concept

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Retro television broadcast test pattern featuring vibrant vertical color bars and a grayscale static section, indicating signal loss or display calibration

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scientist take test tube

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job interview with interviewer showing a rorschach test and candidate seeing a butterfly

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Side view medium shot of male physician testing African American senior female patient blood sugar using glucometer during diabetes management appointment in healthcare office

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scientist hand putting test tubes ampoules bottles in pcr machine Spbas. dna test, molecular biology technology. concept examining, diagnostics, pharmaceutical laboratory

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Tired Employee Waiting For Slow Loading Progress Bar To Fill While Working

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Programmer and developer teamwork coding software office. Teammates discuss source code on a computer screen and monitor in a bright office. Clear concept of teamwork and collaboration.

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Hispanic Technicians Testing Air Conditioning System.Technicians test an air conditioning system's efficiency, inspecting condensers and compressors in a modern industrial facility.

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Woman face, blue eyes and vision focus, thinking idea and contact lenses to see, eyesight and awareness. Closeup macro on face, eyeball and optometry test stare with awake perception of human anatomy

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Pipette with liquid inside drop water in test tubes. Close up macro.

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An abstract television test pattern displays vibrant color bars with digital glitches and static noise.

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A scientist holds a test tube with pure oil and twirls it in his hands against the background of laboratory equipment.

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Woman uses pipette to drop liquid reagent into test tubes at experiment in laboratory. Flask and microscope display scientific research and analysis

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A scientist in his laboratory holds a test tube containing DNA and is able to control the evolution of man thanks to holography. Concept of: DNA, technology, augmented reality.

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Drop chemical fluid into laboratory test tube , science biological or chemistry research concept

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Medical 3d animation showing a sound wave entering the ear and being converted into nerve signals within the cochlea, illustrating the complex anatomy and function of the auditory system

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Young adult female doctor explaining medical test results or diagnosis to senior 70s couple, handing over prescription, discussing together insurance terms during home visit consultation. Health care

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Woman, scientist and tablet in research, study or new discovery together at science laboratory. Happy female person, medical or healthcare worker smile with technology in data or scientific tests

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Crop young female scientist looking down a microscope in a laboratory surrounded by colorful chemical solutions in test tubes and beakers

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Technicians Supervise Organized Smartphone Groups In Controlled Environment With Detailed Analytics

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Vibrant test pattern display with 'NO SIGNAL' text, signifying a broadcast interruption or technical fault in vintage television programming

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Technical difficulties retro vintage tv screen test pattern broadcast. 4k video

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Technical difficulties text on retro gray television test pattern

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Blood, research and hands of scientist in laboratory with sample for science, medical study or investigation. Healthcare, pharmaceutical and person with DNA test vial, RNA analysis and writing notes

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Technician repairing smartphone components with tools for mobile technology upgrades and maintenance

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Male developer studying tablet in open office, activating blue code grid testing AR obscuring face

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Intriguing glance at the seasoned hands of a senior woman scientist meticulously taking notes in the lab, engrossed in her remarkable test tube experiment

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Male Engineer Review Drone Prototype in Industrial Workshop

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Laboratory worker with blood sample in test tube at table indoors, closeup

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engineer testing electrical panels in a power substation, focusing on energy distribution maintenance

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Close-up of a laboratory professional holding a blood sample tube labeled HIV ( Human Immunodeficiency Virus). Concept of inflammation testing, diagnostic pathology, and laboratory medicine.

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Two skincare professionals in white lab coats testing face cream at a desk with cosmetic bottles and jars, showing product development, beauty research, and clean modern work.

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Science, laboratory and woman with beaker for medical analysis, research and medicine. Healthcare, pharmaceutical and scientist with test tube for vaccine development, chemistry and liquid results

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Exam Hall Serenity: A large exam hall is filled with students, focused on their tests, highlighting a moment of intense concentration and the pursuit of knowledge.

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Gloved hand holding test tube laboratory.

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Retro TV Screen with Static and Color Bars, No Signal Broadcast Interruption.

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Scientists wearing lab coats and gloves are analyzing blood test tubes and taking notes in a laboratory

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Walking, exam and students talking about results on university campus and share test information or paperwork together. Scholarship, education and group of young people or friends in discussion

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Older male university student receives alert warning notification for violating academic integrity policies by using AI chatbot for assignment concept

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AI model validation system tests artificial intelligence behavior across controlled data streams to verify reliability before enterprise deployment.

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Video of an unrecognizable 60-year-old woman undergoing hearing tests at a medical center. Her ears are examined with a video otoscope. Image of an otolaryngologist.

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Hand, writing notes and scientist in laboratory for experiment, test or project report. Pen, career and closeup of microbiologist working on pharmaceutical innovation with form, paperwork or document

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A scientist in a lab coat works on electronic circuits with various tools, testing and assembling components

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Scientist in blue gloves holds rack of blue liquid filled test tubes amidst vapor

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Retro TV test pattern please stand by screen suitable for showcasing broadcast standby or vintage television interruptions in presentations, videos, or graphics related to media and technology

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A digital oscilloscope screen displays a yellow sine wave electrical signal. The camera pans across the electronic test equipment. Concept of data analysis, signal processing, and research.

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Rocket launch preparation at night with ignition and bright flames in a launch facility

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Senior woman, doctor and consultation with clipboard for healthcare, writing or checkup. Checklist, talking and patient in medical clinic for test results, insurance application and explain symptoms

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Athletic male cyclist with an oxygen mask and electrodes connected to his chest performing a cardiopulmonary exercise test on a stationary bike to measure his physical performance and endurance

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Please stand by screen display featuring a tv test pattern with please stand by message. Suitable for indicating waiting times in presentations. 4k looping

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Student or trainee taking exam fills out test in pencil

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Bright RGB color changing animated background for screen test

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4K CRT glitch signal diagnostic screen animation, horizontal RGB scanlines and numeric line readouts, analog test interface with heavy noise, chromatic distortion and interference, broken broadcast

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Scientist’s hand in blue nitrile glove holding a transparent test tube with liquid – close-up in laboratory environment, concept of medical research, analysis, or biotechnology

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Comprehensive penetration testing procedures incorporating advanced exploit simulations vulnerability scanning to validate network security resilience in Photo Stock Concept and empty space on the

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Female scientist in protective wear working in a medical research laboratory. Analyzing the test results on a display screen

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glasswalled office developers pairprogramming while monitoring system dashboards from overhead view, dual monitors display code and analytics, team discussing deployment and testing

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TV test card signal pattern animation. Please stand by starting soon streaming countdown. Television Color Test Calibration Bars. seamless looping

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Optical shop concept. The shopkeeper is introducing glasses to customers. 4k Resolution.

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Medical, students and women in library on laptop for learning, education or help together in university. College, healthcare and girls study on computer for knowledge, test or nursing exam discussion

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Video of a 60-year-old woman undergoing hearing tests at a medical center. The test is conducted in a soundproof booth. Upon hearing the sound, she raises her hand through the glass.

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Vintage “Please Stand By” test card with radial calibration pattern, sepia tone, and film dust texture

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Software Engineer Codes and Tests a Mobile App in a Modern Office, Using Multiple Monitors With Programming Scripts, Interface, Data Charts, Digital Product Development. Working Using Computer

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UL94 test on vertical burning test of plastic material on laboratory

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CRT Noise grain screen Scan lines texture

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Retro television color bars test screen with analog noise and broadcast glitch texture, vintage media background with signal calibration concept

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Slow motion dna helix model rotating among glass test tubes on laboratory bench with blue backlight scientific technical.

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Retro analog television test pattern with color bars and please stand by text featuring static noise.

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Close up of medical lab technician organizing and labeling microscope slides for testing in modern clinical laboratory under bright sterile conditions.

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Mechanical Engineer Working On Turbine Design In 3D Cad Software

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2D Medical Ultrasound Scan of Fetus in Womb During Pregnancy

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Chemical laboratory experiment density and liquid separation

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Hand of farmer checking soil health before growth a seed of vegetable or plant seedling. Agriculture concept.

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Vibrant retro television test pattern displaying classic vertical color bars with grainy static noise.

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Female scientist mixing chemical liquid in beaker for experiment in scientific laboratory with microscope and test tubes

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Product manager, designer, developer collaborate on UI, color, and interactive buttons of energy monitoring app. Testing, optimizing prototype for best user experience and seamless customer journey.

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Industrial pneumatic control panel with pressure gauges, valve manifold, and cylindrical actuator assembly on a laboratory test bench in an engineering workshop

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In vitro fertilization laboratory test tube IVF fertility concept symbolic animation

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Depressor, kid and doctor check mouth for wellness, test or healthcare of people in medical hospital. Child, ent pediatrician or throat exam of girl for tongue, tonsils or otolaryngology with patient

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Tablet, reading and man with computer in office, testing and software backup for feature integration. Review, smile and web developer with tech for maintenance update, interactive bot and ai for site

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Rocket Launch Flame Explosion.

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Color tv test pattern with black and white bars

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IT Technician and Female Data Engineer Walk in data center, work on Laptop, Information Flow Line Overlays, Performance Activation, Bandwidth Validation, Redundancy Testing, Monitoring

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Scientist hands with microscope close-up shot in the laboratory

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