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insulin acts as the key which unlocks the cell to allow glucose to enter the cell and be used for energy. Insulin is a hormone secreted by the pancreas in response to elevated blood levels of glucose.

#39586668 - insulin acts as the key which unlocks the cell to allow glu

Active receptor isolated on blue

#40005744 - Active receptor isolated on blue

cross section human skin.

#23330541 - cross section human skin.

Gate Control Theory of Pain Explained 版權商用圖片

#43278790 - Gate Control Theory of Pain Explained

Ion channel. structure of the channel. Vector diagram.

#63903570 - Ion channel. structure of the channel. Vector diagram.

Types of ion channel. Classification by gating. mechanism of action. Voltage-Gated, Ligand-gated, Mechanically-gated and Always open ion channels

#63923652 - Types of ion channel. Classification by gating. mechanism o

Cell membrane receptors 版權商用圖片

#64884714 - Cell membrane receptors

Human brain and Active receptor

#47540585 - Human brain and Active receptor

Two neurons connecting by using electrochemical transmissions. Digital illustration. 版權商用圖片

#31970309 - Two neurons connecting by using electrochemical transmissio

Cytokines - proteins that are important in cell signaling. They are released by cells and affect the behavior of other cells. Cytokines include interferons, interleukins, lymphokines and other. Cytokines are produced by a broad range of cells, including i

#47212856 - Cytokines - proteins that are important in cell signaling.

Main types of diabetes mellitus. Either the pancreas not producing enough insulin or the cells of the body not responding properly to the insulin produced

#39498729 - Main types of diabetes mellitus. Either the pancreas not pr

active receptor

#824534 - active receptor

Cocaine 版權商用圖片

#43543631 - Cocaine

Hormones, receptors and target cells. each type of hormone is designed only certain cells. These cells will have receptors on them that are specific for a certain hormone.

#27277935 - Hormones, receptors and target cells. each type of hormone

Synapse and Receptor 向量圖像

#30636793 - Synapse and Receptor

Hormones bind to receptors on the plasma membrane 向量圖像

#28069861 - Hormones bind to receptors on the plasma membrane

Active receptor macro view Medical accurate 3D illustration 版權商用圖片

#65839432 - Active receptor macro view Medical accurate 3D illustration

Neuromuscular Junction Physiology 向量圖像

#39242568 - Neuromuscular Junction Physiology

Sensory receptors In skin

#59396676 - Sensory receptors In skin

How does insulin work. Insulin regulates the metabolism and is the key that unlocks the cells glucose channel

#39563672 - How does insulin work. Insulin regulates the metabolism and

Cutaneous Receptors. Sensory receptors in the human skin. labeled. Human anatomy

#40107215 - Cutaneous Receptors. Sensory receptors in the human skin. l

Histamine receptor. Function, target tissue and organs. Histamine action

#51686184 - Histamine receptor. Function, target tissue and organs. Hi

Artificial neuron in concept of artificial intelligence. Wall-shaped binary codes make transmission lines of pulses andor information in an analogy to a microchip. Neural network and data transmission.

#73462149 - Artificial neuron in concept of artificial intelligence. Wa

Macrophage releasing cytokines

#61145233 - Macrophage releasing cytokines

Neuron and Synapse Labeled Diagram

#31325122 - Neuron and Synapse Labeled Diagram

Human brain and Active receptor

#44565298 - Human brain and Active receptor

Mechanisms for the transport of ions and molecules across cell membranes. Types of a channel in the cell membrane: simple diffusion, Aquaporin, Gated ion channel, Symporter and Antiporter.

#63923735 - Mechanisms for the transport of ions and molecules across c

Serotonin molecule as a neurotransmitter in the human brain. Digital illustration. 版權商用圖片

#31970663 - Serotonin molecule as a neurotransmitter in the human brain

Histamine. local immune responses. Allergic reaction 向量圖像

#51750325 - Histamine. local immune responses. Allergic reaction

immune system cells. macrophage, t-cell, b-cell and antibodies.

#42064815 - immune system cells. macrophage, t-cell, b-cell and antibod

Synapse detailed anatomy, abstract technology background. Neuron passes signal to another neuron.

#54018268 - Synapse detailed anatomy, abstract technology background. N

Activation of B-cell leukocytes illustration.

#89042576 - Activation of B-cell leukocytes illustration.

How does insulin work, illustrated vector diagram. Educational medical information.

#93898734 - How does insulin work, illustrated vector diagram. Educatio

Science background- neuron tissue. Nerve fibers: motor neurous- study with a large increase in the structural and functional nerve system. Core cell body processes. Scientific- spinal cord, digestive system 版權商用圖片

#71388446 - Science background- neuron tissue. Nerve fibers: motor neur

The patient and the brain healthy brain and neurons in comparison. Alzheimers disease. Amyloid Plaque.

#66827292 - The patient and the brain healthy brain and neurons in comp

Epidermal growth factor (EGF) signaling protein molecule. 3D rendering. Atoms are represented as spheres with conventional color coding. 版權商用圖片

#70771254 - Epidermal growth factor (EGF) signaling protein molecule. 3

Illustration of a nerve cell on a colored background with light effects

#18794138 - Illustration of a nerve cell on a colored background with l

Neurons cells concept

#85341064 - Neurons cells concept

Illustration of a nerve cell on a colored background with light effects

#18794155 - Illustration of a nerve cell on a colored background with l

Illustration of a nerve cell on a colored background with light effects

#19196253 - Illustration of a nerve cell on a colored background with l

Insulin unlocks the cells glucose channel vector illustration. 向量圖像

#94356209 - Insulin unlocks the cells glucose channel vector illustrati

Mitragyna speciosa or Kratom leaves on wood table and black background

#74427059 - Mitragyna speciosa or Kratom leaves on wood table and black

Neurons in the brain on white background with focus effect 3d illustration 版權商用圖片

#58901269 - Neurons in the brain on white background with focus effect

Neurons and nervous system. 3d render of nerve cells. 3D illustration

#110771807 - Neurons and nervous system. 3d render of nerve cells. 3D il

Synaptic transmission, human nervous system. Brain synapses. Transmission synapse, signals, impulses in the brain, information transfer at the cellular or atomic level. 3D rendering 版權商用圖片

#98710245 - Synaptic transmission, human nervous system. Brain synapses

Brain neuron cell diagram. Vector colorful illustration.

#49850027 - Brain neuron cell diagram. Vector colorful illustration.

Neurons in the human nervous system with the effect of depth of field. 3d illustration on a white background

#58901268 - Neurons in the human nervous system with the effect of dept

Spinal reflex arc scheme, vector illustration with stimulus pathway through the nerve signals and effect or organ muscle response. Educational diagram with fun cartoon characters.

#96900586 - Spinal reflex arc scheme, vector illustration with stimulus

Moderate white blood cells,red blood cells,bacteria cells in urine analysis fine with microscope

#56043466 - Moderate white blood cells,red blood cells,bacteria cells i

Types of neuroglia. Classification of glial cells: microglia, astrocytes, oligodendrocytes and Schwann cells, Ependymal cells 向量圖像

#34262842 - Types of neuroglia. Classification of glial cells: microgli

Notebook inscribed with Serotonin and chemical formula surrounded by brain shape and lab test tubes with blood and cerebrospinal fluid. Visualization of serotonin function, effect of it level on mood

#73847055 - Notebook inscribed with Serotonin and chemical formula surr

Spinal Reflex Arc anatomical scheme, vector illustration, with spinal cord, stimulus pathway to the sensory neuron, relay neuron, motor neuron and muscle tissue. Educational diagram.

#96316243 - Spinal Reflex Arc anatomical scheme, vector illustration, w

Immunological reactions of the human organism.

#34910549 - Immunological reactions of the human organism.

Abstract science background with brain. Eps8. CMYK. Organized by layers. Global colors. Gradients used.

#32496787 - Abstract science background with brain. Eps8. CMYK. Organiz

Very high resolution 3d rendering representing the connection between neurons 版權商用圖片

#26603775 - Very high resolution 3d rendering representing the connecti

conceptual illustration of neuron cells with glowing link knots in abstract dark space

#100464512 - conceptual illustration of neuron cells with glowing link k

Neurons in the brain on white background with focus effect. 3d rendering.

#63739928 - Neurons in the brain on white background with focus effect.

3D illustration of Interconnected neurons with electrical pulses.

#76577048 - 3D illustration of Interconnected neurons with electrical p

structure of motor neuron. Vector diagram. Include dendrites, cell body with nucleus, axon, myelin sheath, nodes of Ranvier and motor end plates. The impulses are transmitted through the motor neuron in one direction

#56921147 - structure of motor neuron. Vector diagram. Include dendrite

structure motor neuron. Vector diagram. Include dendrites, cell body with nucleus, axon, myelin sheath, nodes of Ranvier and motor end plates. The impulses are transmitted through the motor neuron in one direction 向量圖像

#23684904 - structure motor neuron. Vector diagram. Include dendrites,

Types of neurons. Structure sensory, motor neuron, astrocyte, pyromidal, Betz cell, microglia. Infographics illustration on isolated background

#79948982 - Types of neurons. Structure sensory, motor neuron, astrocyt

Stem cell. The development of red blood cells, leukocytes, macrophages, lymphocytes and platelets. Infographics. Vector illustration an isolated background.

#50243546 - Stem cell. The development of red blood cells, leukocytes,

Buprenorphine opioid addiction and pain killer drug molecule. Skeletal formula. 版權商用圖片

#88924261 - Buprenorphine opioid addiction and pain killer drug molecul

Conceptual illustration of neuron cells with glowing link knots. Synapse and Neuron cells sending electrical chemical signals. Neuron of Interconnected neurons with electrical pulses, 3D illustration

#95334302 - Conceptual illustration of neuron cells with glowing link k

Neurons and neuroglial cells. Glial cells are non-neuronal cells in brain. There are different types of glial cells: oligodendrocyte, microglia, astrocytes and Schwann cells 向量圖像

#34221006 - Neurons and neuroglial cells. Glial cells are non-neuronal

Nasal mucosa cells. Nasal secretions. Ciliated, basal and goblet cells. Olfactory epithelium. Cells act as a low resistance filter 向量圖像

#56921156 - Nasal mucosa cells. Nasal secretions. Ciliated, basal and g

Neuron and Synapse Labeled Diagram

#37371607 - Neuron and Synapse Labeled Diagram

Realistic tongue with basic taste areas. Tasting map in human mouth vector illustration. Umami and salty, bitter and sour

#112856446 - Realistic tongue with basic taste areas. Tasting map in hum

vision, eyeball, optics, lens system

#20609690 - vision, eyeball, optics, lens system

Dendritic cells and T-lymphocytes

#58987958 - Dendritic cells and T-lymphocytes

Education Chart of Biology for Reflex Arc Diagram

#98920957 - Education Chart of Biology for Reflex Arc Diagram

Multiple sclerosis or MS. autoimmune disease. the nerves of the brain and spinal cord are damaged by ones own immune system. resulting in loss of muscle control, vision and balance.

#34794620 - Multiple sclerosis or MS. autoimmune disease. the nerves of

3d render of neuron 版權商用圖片

#34904016 - 3d render of neuron

Blue glowing synapse. Artificial neuron in concept of artificial intelligence. Synaptic transmission lines of pulses.Abstract polygonal space low poly with connecting dots and lines. 3D rendering

#80505739 - Blue glowing synapse. Artificial neuron in concept of artif

Losartan hypertension drug molecule. Skeletal formula. 版權商用圖片

#88924337 - Losartan hypertension drug molecule. Skeletal formula.

human nerve cells on a soft orange background

#3753808 - human nerve cells on a soft orange background

The absorption of glucose by the cell. Diabetes. Increase and decrease blood sugar. Insulin. Infographics. Vector illustration on isolated background. 向量圖像

#70761575 - The absorption of glucose by the cell. Diabetes. Increase a

$Colorful glowing neuron fractal 版權商用圖片$

#96176840 - Colorful glowing neuron fractal

Damaged nerve cells, concept for neurodegenerative and neurological disease, tumors, brain surgery. 版權商用圖片

#75666010 - Damaged nerve cells, concept for neurodegenerative and neur

THC (delta-9-tetrahydrocannabinol, dronabinol) cannabis drug molecule. Skeletal formula.

#85870712 - THC (delta-9-tetrahydrocannabinol, dronabinol) cannabis dru

Vector illustration of structure of human neuron and healthy human brain. Funny educational illustration for kids. Isolated characters.

#101177642 - Vector illustration of structure of human neuron and health

Neurons in the human nervous system with the effect of depth field. 3d rendering.

#63739930 - Neurons in the human nervous system with the effect of dept

Naloxone opioid receptor antagonist. 向量圖像

#89976009 - Naloxone opioid receptor antagonist.

Cytokines are produced by macrophages, lymphocytes, mast cells, endothelial cells and fibroblasts. Cytokines include chemokines, interferons, interleukins, lymphokines, and tumour necrosis factors, but not hormones or growth factors

#83318891 - Cytokines are produced by macrophages, lymphocytes, mast ce

Testosterone male sex hormone (androgen) molecule. Skeletal formula. 向量圖像

#85870725 - Testosterone male sex hormone (androgen) molecule. Skeletal

Vector illustration of Human Neuron Anatomy

#53334714 - Vector illustration of Human Neuron Anatomy

3D illustration of Interconnected neurons with electrical pulses.

#76605489 - 3D illustration of Interconnected neurons with electrical p

Reflex arc

#52435799 - Reflex arc

Transmission of smell showing scent reaching olfactory bulb and nerve signals passing to the brain for perception of smell. 版權商用圖片

#73673511 - Transmission of smell showing scent reaching olfactory bulb

Neurons. 版權商用圖片

#35173436 - Neurons.

3d rendered illustration of an active nerve cell 版權商用圖片

#60919104 - 3d rendered illustration of an active nerve cell

3d rendered illustration of an active nerve cell 版權商用圖片

#60919673 - 3d rendered illustration of an active nerve cell

Membrane proteins labeled vector illustration. Detailed microscopic structure scheme. Anatomical diagram with receptor, open channel, closed gated and transport protein. 向量圖像

#110271443 - Membrane proteins labeled vector illustration. Detailed mic

3d illustration of the scientific function of a synapse or neuronal connection with a nerve cell

#118848894 - 3d illustration of the scientific function of a synapse or

Image concept of neurons from the human brain.

#26790919 - Image concept of neurons from the human brain.

Control of food intake. Human hormones. Leptin, insulin and Ghrelin. Leptin and the regulation of energy balance

#44488188 - Control of food intake. Human hormones. Leptin, insulin and

T-cell receptors (dark blue), CD4 molecules (light blue), glycolipids (orange). The T-cell receptor activates the immune response to antigens in T-lymphocytes

#104980480 - T-cell receptors (dark blue), CD4 molecules (light blue),

brain power concept with 3d rendering shiny human brain

#65387616 - brain power concept with 3d rendering shiny human brain

Neurons in the brain 版權商用圖片

#32155498 - Neurons in the brain

Neural network concept. Connected cells with links. High technology process. Abstract background 向量圖像

#92182092 - Neural network concept. Connected cells with links. High te

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關於123RF

關於

特徵

博客

指導課程

服務

Corporate+

123rf合作夥伴計劃

123RF的增值經銷計劃

123RF聯盟計畫

法律規範

Legal

執照

隱私聲明

權力條規

COOKIE政策

國際

Русский язык

Português (PT)

支持

需要幫助嗎？請聯絡您的客戶經理

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