| IMS | Institute for Molecular Science | In English | → Research institutes |
| InJBB | Indian Journal of Biochemistry and Biophysics | In English | → Serial publications, periodicals |
| IPCMS | Institut de Physique et de Chimie Moléculaire de Strasbourg | In French | → Physics → Chemistry |
| IPN | Institut für Biophysik und Nanosystemforschung | In German | → Research institutes |
| ISFP | International Society for Fibrinolysis and Proteolysis | In English | → Organizations and associations |
| ISIR | International Society for Interferon-Research | In English | → Organizations and associations → Medicine |
| JAK | Janus Kinase | In English | → Enzymes |
| JBB | Journal of Bioenergetics and Biomembranes | In English | → Serial publications, periodicals |
| JBBM | Journal of Biochemical and Biophysical Methods | In English | → Serial publications, periodicals |
| JBC | Journal of Biological Chemistry | In English | → Serial publications, periodicals |
| JBiBi | Journal de Biophysique et de Biomécanique | In French | → Serial publications, periodicals |
| JBiom | Journal of Biomechanics | In English | → Serial publications, periodicals |
| JBMN | Journal de Biophysique et Médecine Nucléaire | In French | → Serial publications, periodicals → Medicine |
| JBP | Journal of Biological Physics | In English | → Serial publications, periodicals |
| JCPPC | Journal de Chimie Physique et de Physico-Chimie Biologique | In French | → Serial publications, periodicals → Physical chemistry |
| JMBio | Journal of Molecular Biology | In English | → Serial publications, periodicals |
| JMNB | Journal de Médecine Nucléaire et Biophysique | In French | → Serial publications, periodicals → Medicine |
| JNeur | Journal of Neurochemistry | In English | → Serial publications, periodicals → Neurology |
| JPrCh | Journal of Protein Chemistry | In English | → Serial publications, periodicals |
| K | Лізин = K | Lysine | In English = K | ليسين | In Arabic = K | লাইসিন | In Bengali = K | Lisina | In Catalan = K | Lysin | In Czech = K | Lysin | In German = K | Lisina | In Spanish = K | Lizino | In Laotian = K | Lysine | In French = K | 리신 | In Korean = K | Lizin | In Croatian = K | Lisin | In Indonesian = K | Lisina | In Italian = K | ליזין | In Hebrew = K | Lizīns | In Latvian = K | Lysin | In Letzeburgesh = K | Lizinas | In Lithuanian = K | Lizin | In Hungarian = K | Lysine | In Dutch = K | リシン | In Japanese = K | Lizyna | In Polish = K | Lisina | In Portuguese = K | Лизин | In Russian = K | Lysiini | In Finnish = K | Lizin | In Turkish = K | 赖氨酸 | In Chinese |
In Ukrainian | |
| K | লাইসিন = (look above) |
In Bengali | |
| K | リシン = (look above) |
In Japanese | |
| K | Lizyna = (look above) |
In Polish | |
| K | Lysiini = (look above) |
In Finnish | |
| K | Lizinas = (look above) |
In Lithuanian | |
| K | ليسين = (look above) |
In Arabic | |
| K | 赖氨酸 = (look above) |
In Chinese | |
| K | Lisina = (look above) |
In Portuguese | |
| K | Лизин = (look above) |
In Russian | |
| K | Lysine = (look above) |
In Dutch | |
| K | Lisina = (look above) |
In Catalan | |
| K | Lysin = (look above) |
In Czech | |
| K | Lizīns = (look above) |
In Latvian | |
| K | Lisin = (look above) |
In Indonesian | |
| K | ליזין = (look above) |
In Hebrew | |
| K | Lizin = (look above) |
In Turkish | |
| K | Lysin = (look above) |
In Letzeburgesh | |
| K | Lisina = (look above) |
In Italian | |
| K | Lizin = (look above) |
In Croatian | |
| K | 리신 = (look above) |
In Korean | |
| K | Lysine = (look above) |
In French | |
| K | Lizino = (look above) |
In Laotian | |
| K | Lisina = (look above) |
In Spanish | |
| K | Lysin = (look above) |
In German | |
| K | Lizin = (look above) |
In Hungarian | |
| K | Lysine = (look above) |
In English | |
| KAR | Kainate Receptor | In English | |
| KHPM | Kininogène de Haut Poids Moléculaire | In French | |
| L | Leucine = L | Leucine | In English = L | Leucina | In Catalan = L | Leucin | In Danish = L | Leucin | In German = L | Leucina | In Spanish = L | Leŭcino | In Esperanto = L | 류신 | In Korean = L | Leucin | In Croatian = L | Leusin | In Indonesian = L | Leucina | In Italian = L | לאוצין | In Hebrew = L | Leicīns | In Latvian = L | Leucin | In Letzeburgesh = L | Leucinas | In Lithuanian = L | Leucine | In Dutch = L | ロイシン | In Japanese = L | Leucin | In Norwegian = L | Leucyna | In Polish = L | Leucina | In Portuguese = L | Лейцин | In Russian = L | Leusiini | In Finnish = L | Leucin | In Swedish = L | Lösin | In Turkish = L | Лейцин | In Ukrainian = L | 亮氨酸 | In Chinese |
In French | |
| L | Leucinas = (look above) |
In Lithuanian | |
| L | Leucine = (look above) |
In Dutch | |
| L | ロイシン = (look above) |
In Japanese | |
| L | Leucina = (look above) |
In Catalan | |
| L | Leucin = (look above) |
In Danish | |
| L | Leucin = (look above) |
In German | |
| L | Leucina = (look above) |
In Spanish | |
| L | Leŭcino = (look above) |
In Esperanto | |
| L | Leucin = (look above) |
In Croatian | |
| L | 류신 = (look above) |
In Korean | |
| L | Leusin = (look above) |
In Indonesian | |
| L | Leucina = (look above) |
In Italian | |
| L | לאוצין = (look above) |
In Hebrew | |
| L | Leicīns = (look above) |
In Latvian | |
| L | Leucin = (look above) |
In Letzeburgesh | |
| L | Leucine = (look above) |
In English | |
| L | Leucin = (look above) |
In Norwegian | |
| L | Leucyna = (look above) |
In Polish | |
| L | Leucina = (look above) |
In Portuguese | |
| L | Лейцин = (look above) |
In Russian | |
| L | Leusiini = (look above) |
In Finnish | |
| L | Leucin = (look above) |
In Swedish | |
| L | Lösin = (look above) |
In Turkish | |
| L | Лейцин = (look above) |
In Ukrainian | |
| L | 亮氨酸 = (look above) |
In Chinese | |
| LAI | Latex Agglutination Assay | In English | |
| LDH | Lactate Dehydrogenase | In English | → Enzymes |
| LDL | Low-Density Lipoprotein | In English | |
| LDL | Low Density Lipoprotein | In English | |
| LDLR | Low-Density Lipoprotein Receptor | In English | |
| LEBM | Laboratoire Européen de Biologie Moléculaire | In French | → Research institutes |
| LEDSS | Laboratoire d'Études Dynamiques et Structurales de la Sélectivité | In French | → Research institutes → Chemistry |
| LH | Luteinizing Hormone | In English | → Hormones → Gynaecology |
| LMC | Lipid Matrix Carrier | In English | |
| LMI | Laboratory of Molecular Imaging | In English | → Research institutes |
| LPA | Lysophosphatidic Acid | In English | → 5771 |
| LPS | Lipopolysaccharide | In French | |
| LPS | Lipopolysaccharide | In English | |
| LSD | Lysergic Acid Diethylamide | In English | |
| M | Metionino = M | Methionine | In English = M | Metionina | In Catalan = M | Methionin | In German = M | Metionina | In Spanish = M | Méthionine | In French = M | 메티오닌 | In Korean = M | Metionin | In Indonesian = M | Metionina | In Italian = M | Metionin | In Croatian = M | מתיונין | In Hebrew = M | Metionīns | In Latvian = M | Methionin | In Letzeburgesh = M | Metioninas | In Lithuanian = M | Methionine | In Dutch = M | メチオニン | In Japanese = M | Metionin | In Norwegian = M | Metionina | In Polish = M | Metionina | In Portuguese = M | Метионин | In Russian = M | Метионин | In Serbian = M | Metioniini | In Finnish = M | Metionin | In Swedish = M | Metiyonin | In Turkish = M | Метіонін | In Ukrainian = M | 蛋氨酸 | In Chinese |
In Esperanto | |
| M | メチオニン = (look above) |
In Japanese | |
| M | 蛋氨酸 = (look above) |
In Chinese | |
| M | Metionina = (look above) |
In Spanish | |
| M | Methionin = (look above) |
In German | |
| M | Metionina = (look above) |
In Catalan | |
| M | Methionine = (look above) |
In English | |
| M | Metionin = (look above) |
In Swedish | |
| M | Метіонін = (look above) |
In Ukrainian | |
| M | Metiyonin = (look above) |
In Turkish | |
| M | Methionine = (look above) |
In Dutch | |
| M | Metioninas = (look above) |
In Lithuanian | |
| M | Methionin = (look above) |
In Letzeburgesh | |
| M | Metionīns = (look above) |
In Latvian | |
| M | מתיונין = (look above) |
In Hebrew | |
| M | Metionin = (look above) |
In Croatian | |
| M | Metionina = (look above) |
In Italian | |
| M | Metionin = (look above) |
In Indonesian | |
| M | 메티오닌 = (look above) |
In Korean | |
| M | Metionin = (look above) |
In Norwegian | |
| M | Metionina = (look above) |
In Polish | |
| M | Metionina = (look above) |
In Portuguese | |
| M | Метионин = (look above) |
In Russian | |
| M | Метионин = (look above) |
In Serbian | |
| M | Metioniini = (look above) |
In Finnish | |
| M | Méthionine = (look above) |
In French | |
| MAB | Monoclonal Antibody | In English | |
| MAP | Multiple Antigenic Peptide | In English | → Immunology and allergy |
| MAPK | Mitogen-Activated Protein Kinase | In English | → Enzymes |
| MBB | Molecular Biology and Biophysics | In English | → Serial publications, periodicals |
| MBBB | Molecular Biology, Biochemistry and Biophysics | In English | → Serial publications, periodicals |
| MBP | Metal Binding Protein | In English | |
| MCG | Maatschappelijke Component van het Genomicsonderzoek | In Dutch | → Genetics |
| MCLV | Multi-Chamber Lipid Vesicle | In English | |
| MCME | Methods: A Companion to Methods in Enzymology | In English | → Serial publications, periodicals → Enzymes |
| MCP | Membrane Cofactor Protein | In French | |
| MCP | Monocyte Chemoattractant Protein | In English | → Immunology and allergy |
| MEF | Myocyte Enhancer Factor | In English | |
| MnSOD | Manganese Superoxyde Dismutase | In English | → Enzymes |
| mRKS | Mótandi ríbósakjarnasýru | In Icelandic | → Genetics |
| mTOR | Mammalian Target Of Rapamycin | In English | → Mammals |
| N | Asparagina = N | Asparagine | In English = N | Asparagina | In Catalan = N | Asparagin | In German = N | Asparagina | In Spanish = N | Asparagino | In Esperanto = N | Asparagine | In French = N | 아스파라긴 | In Japanese = N | Asparagin | In Indonesian = N | Asparagina | In Italian = N | אספרגין | In Hebrew = N | Asparagīns | In Latvian = N | Asparagin | In Letzeburgesh = N | Asparaginas | In Lithuanian = N | Asparagine | In Dutch = N | アスパラギン | In Japanese = N | Asparagina | In Polish = N | Аспарагин | In Russian = N | Asparagín | In Slovak = N | Аспарагин | In Serbian = N | Asparagiini | In Finnish = N | Asparagin | In Swedish = N | Asparagin | In Turkish = N | Аспарагін | In Ukrainian = N | 天冬酰胺 | In Chinese |
In Portuguese | |
| N | Asparagino = (look above) |
In Esperanto | |
| N | Asparagina = (look above) |
In Italian | |
| N | Asparagiini = (look above) |
In Finnish | |
| N | אספרגין = (look above) |
In Hebrew | |
| N | Asparagīns = (look above) |
In Latvian | |
| N | Asparagin = (look above) |
In Letzeburgesh | |
| N | Аспарагин = (look above) |
In Serbian | |
| N | Asparaginas = (look above) |
In Lithuanian | |
| N | Asparagine = (look above) |
In Dutch | |
| N | アスパラギン = (look above) |
In Japanese | |
| N | Asparagín = (look above) |
In Slovak | |
| N | Asparagina = (look above) |
In Polish | |
| N | Asparagin = (look above) |
In Indonesian | |
| N | 아스파라긴 = (look above) |
In Japanese | |
| N | Asparagine = (look above) |
In English | |
| N | 天冬酰胺 = (look above) |
In Chinese | |
| N | Аспарагін = (look above) |
In Ukrainian | |
| N | Аспарагин = (look above) |
In Russian | |
| N | Asparagina = (look above) |
In Catalan | |
| N | Asparagin = (look above) |
In Turkish | |
| N | Asparagin = (look above) |
In German | |
| N | Asparagine = (look above) |
In French | |
| N | Asparagina = (look above) |
In Spanish | |
| N | Asparagin = (look above) |
In Swedish | |
| NAD | Nicotinamide Adenine Dinucleotide | In English | → Genetics |
| NANA | Acide N-acétylneuraminique = NeuAc | Acide N-acétylneuraminique | In French |
In French | |
| NAR | Nucleic Acids Research | In English | → Serial publications, periodicals |
| NCAM | Neural Cell Adhesion Molecule | In English | |
| nCaR | Nicotinic Acetylcholine Receptor | In English | |
| NeuAc | Acide N-acétylneuraminique = NANA (look above) |
In French | |
| NGF | Nerve Growth Factor | In English | → Hormones → Neurology" |
| NMDA | N-methyl-D-aspartate | In English | |
| ÖGKC | Österreichische Gesellschaft für klinische Chemie | In German | → Organizations and associations → Pharmacology, toxicology |
| OMIM | Online Mendelian Inheritance in Man | In English | → Genetics |
| OPG | Osteoprotegrin | In German | |
| OPGL | Osteoprotegerin Ligand | In English | |
| OPN | Osteopontin | In English | |
| P | Prolina = P | Proline | In English = P | প্রোলিন | In Bengali = P | Prolina | In Catalan = P | Prolin | In Danish = P | Prolin | In German = P | Prolino | In Esperanto = P | Proline | In French = P | 프롤린 | In Korean = P | Prolin | In Croatian = P | Prolin | In Indonesian = P | Prolina | In Italian = P | פרולין | In Hebrew = P | Prolīns | In Latvian = P | Prolin | In Letzeburgesh = P | Prolinas | In Lithuanian = P | Prolin | In Hungarian = P | Proline | In Dutch = P | プロリン | In Japanese = P | Prolina | In Polish = P | Prolina | In Portuguese = P | Пролин | In Russian = P | Proliini | In Finnish = P | Prolin | In Swedish = P | Prolin | In Turkish = P | Пролін | In Ukrainian = P | 脯氨酸 | In Chinese |
In Spanish | |
| P | 脯氨酸 = (look above) |
In Chinese | |
| P | Пролін = (look above) |
In Ukrainian | |
| P | Prolin = (look above) |
In Turkish | |
| P | Prolin = (look above) |
In Swedish | |
| P | Proliini = (look above) |
In Finnish | |
| P | Пролин = (look above) |
In Russian | |
| P | Prolina = (look above) |
In Portuguese | |
| P | Prolina = (look above) |
In Polish | |
| P | 프롤린 = (look above) |
In Korean | |
| P | Proline = (look above) |
In French | |
| P | Prolino = (look above) |
In Esperanto | |
| P | Prolin = (look above) |
In German | |
| P | Prolin = (look above) |
In Danish | |
| P | Prolina = (look above) |
In Catalan | |
| P | প্রোলিন = (look above) |
In Bengali | |
| P | Proline = (look above) |
In English | |
| P | Prolin = (look above) |
In Croatian | |
| P | Prolin = (look above) |
In Indonesian | |
| P | プロリン = (look above) |
In Japanese | |
| P | Proline = (look above) |
In Dutch | |
| P | Prolin = (look above) |
In Hungarian | |
| P | Prolinas = (look above) |
In Lithuanian | |
| P | Prolin = (look above) |
In Letzeburgesh | |
| P | Prolīns = (look above) |
In Latvian | |
| P | פרולין = (look above) |
In Hebrew | |
| P | Prolina = (look above) |
In Italian | |
| PAF | Penicillium AntiFungal protein | In English | → Agricultural sciences |
| PAF | Penicillium Antifungal (protein) | In English | → Pharmacology, toxicology |
| PAI | Plasminogen Activator Inhibitor | In English | → Enzymes → Blood and circulatory system |
| PAL | Phosphatase Alcaline Leucocytaire | In French | → Enzymes → Blood and circulatory system |
| PBB | Progress in Biochemistry and Biophysics | In English | → Serial publications, periodicals |
| PBBC | Progress in Biophysics and Biophysical Chemistry | In English | → Serial publications, periodicals |