Browse all topics
PopulationAll the organisms of a given species that live in a specified region
2.1M papers•62.7M citations
Poison control
394.7K papers•15.7M citations
Receptor
159.3K papers•8.2M citations
Signal transductionCascade of intracellular and molecular events for transmission/amplification of signals
122.6K papers•8.2M citations
Transplantation
276.5K papers•7.9M citations
AntigenMolecule triggering an immune response (antibody production) in the host
170.2K papers•6.9M citations
Cellular differentiationProcess in which totipotent cells acquire specialized features
90.9K papers•6M citations
Diabetes mellitus
169.2K papers•6M citations
Stem cellUndifferentiated biological cells that can differentiate into specialized cells
129.1K papers•5.9M citations
Regulation of gene expressionModifying mechanisms used by cells to increase or decrease the production of specific gene products
85.4K papers•5.8M citations
Risk factorVariable associated with an increased risk of disease or infection
91.9K papers•5.7M citations
Gene expressionConversion of a gene's sequence into a mature gene product or products
113.3K papers•5.5M citations
Context (language use)Non-language factors that enhance understanding of communication
324.7K papers•5.5M citations
Cell cultureProcess by which cells are grown under controlled conditions
133.3K papers•5.3M citations
Artificial neural networkComputational model used in machine learning, based on connected, hierarchical functions
207K papers•4.5M citations
Thin film
275.5K papers•4.5M citations
CytokineBroad and loose category of small proteins important in cell signaling
79.2K papers•4.4M citations
Layer (electronics)
605.6K papers•4.4M citations
Peptide sequence
84.1K papers•4.3M citations
MembraneThin, film-like structure separating two fluids, acting as a selective barrier
157.7K papers•4.3M citations
Blood pressurePressure exerted by circulating blood upon the walls of arteries
139.2K papers•4.2M citations
Nonlinear systemSystem where changes of output are not proportional to changes of input
208.1K papers•4M citations
InflammationPhysical effects resulting from activation of the immune system
76.4K papers•4M citations
Public healthPromoting health through organized efforts and informed choices of society and individuals
158.3K papers•3.9M citations
The Internet
213.2K papers•3.8M citations
Programmed cell deathDeath of a cell mediated by intracellular program, often as part of development
60.5K papers•3.8M citations
OxideChemical compound with at least one oxygen atom attached to the central atom
213.4K papers•3.6M citations
KinaseEnzyme catalyzing transfer of phosphate groups onto specific substrates
65.8K papers•3.5M citations
Climate changeCurrent rise in Earth's average temperature and its effects
99.2K papers•3.5M citations
Image processing
229.9K papers•3.5M citations
Higher educationAcademic tertiary education, such as from colleges and universities
244.3K papers•3.5M citations
AngiogenesisBlood vessel formation, when new vessels emerge from existing vessels
58.2K papers•3.2M citations
Proinflammatory cytokine
60.3K papers•3.2M citations
Intensive care
98.9K papers•3.1M citations
Finite element methodNumerical method for solving physical or engineering problems
178.6K papers•3M citations
Protein structureThree-dimensional arrangement of atoms in an amino acid-chain molecule
42.3K papers•3M citations
Type 2 diabetesType of diabetes mellitus with high blood sugar and insulin resistance
69.6K papers•3M citations
Tumor necrosis factor alpha
55.2K papers•3M citations
Soil water
97.8K papers•2.9M citations
Raman spectroscopySpectroscopic technique used to observe vibrational, rotational, and other low-frequency modes in a system
122.6K papers•2.8M citations
European union
171.6K papers•2.8M citations
Corporate governanceMechanisms, processes and relations by which corporations are controlled and operated
118.5K papers•2.7M citations
DielectricElectrically insulating substance able to be polarised by an applied electric field
169.7K papers•2.7M citations