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Descriptor English: RNA, Ribosomal, 18S
Descriptor Spanish: ARN Ribosómico 18S
Descriptor ARN ribosómico 18S
Entry term(s) ARN ribosómico de 18S
ARNr 18S
RNA ribosómico 18S
RNA ribosómico de 18S
rRNA 18S
Scope note: Constituyente de la subunidad 40S de los ribosomas eucarióticos. El rRNA 18S participa en la iniciación de la síntesis de polipéptidos en organismos eucariotas.
Descriptor Portuguese: RNA Ribossômico 18S
Descriptor French: ARN ribosomique 18S
Entry term(s): 18S RRNA
18S Ribosomal RNA
RNA, 18S Ribosomal
Ribosomal RNA, 18S
Tree number(s): D13.444.735.686.675
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D012337
Scope note: Constituent of the 40S subunit of eukaryotic ribosomes. 18S rRNA is involved in the initiation of polypeptide synthesis in eukaryotes.
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BI biosynthesis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
DE drug effects
EC economics
GE genetics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UL ultrastructure
UR urine
Previous Indexing: RNA (1966-1970)
RNA, Ribosomal (1971-1987)
Public MeSH Note: 91; was see under RNA, RIBOSOMAL 1988-90
History Note: 91(88); was see under RNA, RIBOSOMAL 1988-90
Entry Version: 18S RRNA
DeCS ID: 22992
Unique ID: D012337
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1991/01/01
Date of Entry: 1987/05/07
Revision Date: 2018/06/12
RNA, Ribosomal, 18S - Preferred
Concept UI M0019176
Scope note Constituent of the 40S subunit of eukaryotic ribosomes. 18S rRNA is involved in the initiation of polypeptide synthesis in eukaryotes.
Preferred term RNA, Ribosomal, 18S
Entry term(s) 18S RRNA
18S Ribosomal RNA
RNA, 18S Ribosomal
Ribosomal RNA, 18S



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