Página inicial
PLUS
Ferramentas de geração de IA
Novo
Gerador de imagens AI
Entregando criatividade à sua imaginação.
Novo
Upscaler de imagem AI
Amplie suas imagens em até 4x com um clique!
Novo
Preenchimento generativo de IA
Remova e substitua objetos em segundos!
Novo
Desfoque de Fundo com IA
Desfocar os fundos para destacar os objetos!
AI Background Remix
Fundos profissionais para seus produtos.
AI Image Extender
Amplie suas imagens para diferentes proporções.
Escrita de IA
O melhor companheiro de escrita para a era digital.
Remoção de fundo de IA
Remova facilmente fundos indesejados.
123RF PLUS
Obtenha soluções criativas com o auxílio de ferramentas de IA de ponta.
Ir para o PLUS
Temos duas novas ferramentas de IA!
Confira agora o Upscaler de imagem AI e o Preenchimento generativo de IA!
OK
Imagens Gratuitas
Stock
Fotos
Vetores
Vídeos
Áudios
Fontes
Corporate+
Preços
Ajuda
br
English
Deutsch
Español
Français
Magyar
Italiano
日本語
한국어
Nederland
Język polski
Português (PT)
Português (BR)
Русский язык
简体中文
繁體中文
Türkçe
Login
Vá ilimitado
Vídeos
Opções
PREMIUM
Todas as Imagens
Fotos
Vetores
Vídeos
Áudios
Fontes
FREE
PLUS
Filtrar
Pesquisa segura
Ordenar por
Relevância
Novo
Georank
Resolução
720p
1080
4K
Número de pessoas
Sem Pessoas
1
2
3
4+
FPS
23.98/24
25
29.7/30
60
> 60
Veja mais
Coleções
Tipo de conteúdo
Editorial
Imagem carregada
Em qualquer data
< 2 dias
Na última semana
No último mês
3 meses
Não incluir estas palavras
Filtrar
Pesquisa segura
Ordenar por
Relevância
Novo
Georank
Resolução
720p
1080
4K
Número de pessoas
Sem Pessoas
1
2
3
4+
FPS
23.98/24
25
29.7/30
60
> 60
Veja mais
Coleções
Tipo de conteúdo
Editorial
Imagem carregada
Em qualquer data
< 2 dias
Na última semana
No último mês
3 meses
Não incluir estas palavras
Filtrar
Vídeos
58 resultados
Página
de 1
Young man wearing protective medical gauze mask looking to Exchange Rates. Economical crisis during pandemic of virus. quarantine on pandemic
4K
0:14
Ill woman holding medications, chemotherapy or immunotherapy, cancer fight
0:07
Sick woman looking at pills with disappointment, incurable disease, chemotherapy
0:07
In healthcare clinic. Doctor and female patient in hospital. Female doctor controls IV drip. Setting medical dropper. 4k
4K
0:16
A doctor in the patient s ward prepares her a dropper, prepares a syringe and medicine for the patient. In healthcare clinic. Doctor and female patient in hospital. 4 k
4K
0:25
Doctor holding in hand Immunotherapy
4K
0:15
Macro or extreme close up of vaccine syringe with drops of solution
0:13
Infectious cells are used for the treatment of the immune system.
4K
0:08
Life sciences animated word cloud
4K
0:15
Life sciences animated word cloud. 3d camera move.
4K
0:15
Animation Focus on Immunology of the lung
4K
0:13
Immunotherapy in cancer treatment is a form of treatment by immune system cells
4K
0:07
Gene therapy is the insertion of genes into an individual's cells and TISSUES to treat a disease, and hereditary Diseases in which a defective mutant allele is Replaced with a functional one.
4K
0:12
Life sciences animated word cloud. Kinetic typography.
4K
0:19
Red blood cells and viruses in the blood stream in an artery seamless loop. 3D render of hemoglobin cells and erythrocytes moving through a vein. Human immune system, biology and health concept
4K
0:10
Antibodies are a part of your immune system. They fight germs, but sometimes they make a mistake and target your body's healthy cells instead.
4K
0:13
Harmful cells in the nervous system. Interactions between Human NK Cells and Macrophages
4K
0:08
Infectious cells are used for the treatment of the immune system.
4K
0:11
Animation Focus on Immunology of the lung
4K
0:44
Animation Focus on Immunology of the lung
4K
0:23
Animation Focus on Immunology of the lung
4K
0:25
Animation Focus on Immunology of the lung
4K
0:32
Cancer cell growth uncontrollably over tissue, Tumor infection cells and spreading, Invasive inflammation and cancerous metastasis. reproduce by duplicating, cells expanding, Disea
4K
0:27
Infectious cells are used for the treatment of the immune system.
4K
0:08
Infectious cells are used for the treatment of the immune system.
4K
0:09
The specific region on an antigen that recognizes and binds to is called an epitope, or antigenic determinant. An epitope is usually 5-8 amino acids long on the surface of the protein.
4K
0:09
Cancer cell growth uncontrollably over tissue, Tumor infection cells and spreading, Invasive inflammation metastasis cancerous. reproduce by duplicating, cells expanding, Melanoma
4K
0:10
3D Medical Animation Of The Digestive System
4K
0:08
Chimeric antigen receptors on a cell membrane. CARs are engineered cell receptors that allow T cells to recognize and attack cancer cells in a specific way.
0:12
Animation Focus on Immunology of the lung
4K
0:32
Infectious cells are used for the treatment of the immune system.
4K
0:13
The T cell of the immune system circulates to look for infections. This type of T cell is called a cytotoxic T cell because it kills infected cells with toxic agents.
0:05
Antibodies are a part of your immune system. They fight germs, but sometimes they make a mistake and target your body's healthy cells instead.
4K
0:06
Gene therapy is the insertion of genes into an individual's cells and TISSUES to treat a disease, and hereditary Diseases in which a defective mutant allele is Replaced with a functional one.
4K
0:13
Bim in endothelial cells Bim in endothelial cells.
4K
0:10
Antibody, a protective protein produced by the immune system
4K
0:06
Immunotherapy
4K
0:12
Cancer cell growth uncontrollably over tissue, Tumor infection cells and spreading, Invasive inflammation metastasis cancerous. reproduce by duplicating, cells expanding, Melanoma
4K
0:10
Businessman uses hologram Immunity
4K
0:10
Red blood cells and viruses in the blood stream in an artery seamless loop. 3D render of hemoglobin cells and erythrocytes moving through a vein. Human immune system, biology and health concept
4K
0:10
Life sciences animated word cloud. Flying words.
4K
0:15
Animation Focus on Immunology of the lung
4K
0:32
Infectious cells are used for the treatment of the immune system.
4K
0:07
Dendritic cells are antigen-presenting cells of the mammalian immune system.
0:15
Immunotherapy in cancer treatment is a form of treatment by immune system cells
0:12
Gene therapy is the insertion of genes into an individual's cells and TISSUES to treat a disease, and hereditary Diseases in which a defective mutant allele is Replaced with a functional one.
4K
0:07
Antibodies are a part of your immune system. They fight germs, but sometimes they make a mistake and target your body's healthy cells instead.
4K
0:12
Cancer cell growth uncontrollably over tissue, Tumor infection cells and spreading, Invasive inflammation and cancerous metastasis. reproduce by duplicating, cells expanding, Disea
4K
0:10
Permits selective destruction. Both standard x-ray therapy and proton beams.
4K
0:07
Dendritic cells are antigen presenting cells. Their main function is to be present.
4K
0:07
Genetic research video concept
0:10
A thick layer of bacteria growing on tumors in the colon. Several different groups of bacteria are present, each represented by a different color.
0:14
Antibodies are a part of your immune system. They fight germs, but sometimes they make a mistake and target your body's healthy cells instead.
4K
0:06
The T cell of the immune system circulates to look for infections. This type of T cell is called a cytotoxic T cell because it kills infected cells with toxic agents.
0:06
The T cell of the immune system circulates to look for infections. This type of T cell is called a cytotoxic T cell because it kills infected cells with toxic agents.
0:08
Gene therapy is the insertion of genes into an individual's cells and TISSUES to treat a disease, and hereditary Diseases in which a defective mutant allele is Replaced with a functional one.
4K
0:15
3d illustration Proteins with lymphocytes
4K
0:09
Animation Focus on Immunology of the lung
4K
0:12
Página
de 1