All individuals in MeSH

Label Id Description
Rib Cage D000070602 [The bony thoracic enclosure consisting of the vertebral column; the RIBS; the STERNUM; and the COSTAL CARTILAGE. ]
Rib Fractures D012253 [Fractures of any of the RIBS. ]
Ribavirin D012254 [A nucleoside antimetabolite antiviral agent that blocks nucleic acid synthesis and is used against both RNA and DNA viruses. ]
Ribes D031965 [Also known as currant, ribes is a member of the family GROSSULARIACEAE. Oil extracted from the seeds contain GAMMA-LINOLENIC ACID. ]
Ribitol D012255 [A sugar alcohol formed by the reduction of ribose. ]
Riboflavin D012256 [Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables. The richest natural source is yeast. It occurs in the free form only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as FLAVIN MONONUCLEOTIDE and FLAVIN-ADENINE DINUCLEOTIDE. ]
Riboflavin Deficiency D012257 [A dietary deficiency of riboflavin causing a syndrome chiefly marked by cheilitis, angular stomatitis, glossitis associated with a purplish red or magenta-colored tongue that may show fissures, corneal vascularization, dyssebacia, and anemia. (Dorland, 27th ed) ]
Riboflavin Synthase D012258 [An enzyme that catalyzes the formation of riboflavin from two molecules of 6,7-dimethyl-8-ribityllumazine, utilizing a four-carbon fragment from one molecule which is transferred to the second molecule. EC 2.5.1.9. ]
Ribonuclease H D016914 [A ribonuclease that specifically cleaves the RNA moiety of RNA:DNA hybrids. It has been isolated from a wide variety of prokaryotic and eukaryotic organisms as well as RETROVIRUSES. ]
Ribonuclease H, Human Immunodeficiency Virus D054309 [A ribonuclease activity that is a component of the HIV REVERSE TRANSCRIPTASE. It removes the RNA strand of the RNA-DNA heteroduplex produced by reverse transcription. Once the RNA moiety is removed a double stranded DNA copy of the HIV RNA can be synthesized. ]
Ribonuclease III D043244 [An endoribonuclease that is specific for double-stranded RNA. It plays a role in POST-TRANSCRIPTIONAL RNA PROCESSING of pre-RIBOSOMAL RNA and a variety of other RNA structures that contain double-stranded regions. ]
Ribonuclease P D043262 [An RNA-containing enzyme that plays an essential role in tRNA processing by catalyzing the endonucleolytic cleavage of TRANSFER RNA precursors. It removes the extra 5'-nucleotides from tRNA precursors to generate mature tRNA molecules. ]
Ribonuclease T1 D006163 [An enzyme catalyzing the endonucleolytic cleavage of RNA at the 3'-position of a guanylate residue. EC 3.1.27.3. ]
Ribonuclease, Pancreatic D012259 [An enzyme that catalyzes the endonucleolytic cleavage of pancreatic ribonucleic acids to 3'-phosphomono- and oligonucleotides ending in cytidylic or uridylic acids with 2',3'-cyclic phosphate intermediates. EC 3.1.27.5. ]
Ribonucleases D012260 [Enzymes that catalyze the hydrolysis of ester bonds within RNA. EC 3.1.-. ]
Ribonucleoprotein, U1 Small Nuclear D017412 [A nuclear RNA-protein complex that plays a role in RNA processing. In the nucleoplasm, the U1 snRNP along with other small nuclear ribonucleoproteins (U2, U4-U6, and U5) assemble into SPLICEOSOMES that remove introns from pre-mRNA by splicing. The U1 snRNA forms base pairs with conserved sequence motifs at the 5'-splice site and recognizes both the 5'- and 3'-splice sites and may have a fundamental role in aligning the two sites for the splicing reaction. ]
Ribonucleoprotein, U2 Small Nuclear D017413 [A nuclear RNA-protein complex that plays a role in RNA processing. In the nucleoplasm, the U2 snRNP along with other small nuclear ribonucleoproteins (U1, U4-U6, and U5) assemble into SPLICEOSOMES that remove introns from pre-mRNA by splicing. The U2 snRNA forms base pairs with conserved sequence motifs at the branch point, which associates with a heat- and RNAase-sensitive factor in an early step of splicing. ]
Ribonucleoprotein, U4-U6 Small Nuclear D017414 [A nuclear RNA-protein complex that plays a role in RNA processing. In the nucleoplasm, the U4-U6 snRNP along with the U5 snRNP preassemble into a single 25S particle that binds to the U1 and U2 snRNPs and the substrate to form mature SPLICEOSOMES. There is also evidence for the existence of individual U4 or U6 snRNPs in addition to their organization as a U4-U6 snRNP. ]
Ribonucleoprotein, U5 Small Nuclear D017415 [A nuclear RNA-protein complex that plays a role in RNA processing. In the nucleoplasm, the U5 snRNP along with U4-U6 snRNP preassemble into a single 25S particle that binds to the U1 and U2 snRNPs and the substrate to form SPLICEOSOMES. ]
Ribonucleoprotein, U7 Small Nuclear D020885 [This ribonucleoprotein particle, composed of U7 snRNA, Sm core protein, and U7 snRNP-specific proteins, is involved in the 3'end processing of histone premessenger RNAs. ]