MeSH Browser

MeSH Heading: Urochordata
Tree Number(s): B01.050.150.200.727; B01.050.500.272.727
Unique ID: D014561
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D014561
Scope Note: A subphylum of chordates intermediate between the invertebrates and the true vertebrates. It includes the Ascidians.
Entry Term(s): Ascidia; Ascidiacea; Ascidians; Sea Squirts; Tunicata; Tunicates; Urochordates
Registry Number: txid7712
Related Numbers: txid30275; txid7713
Previous Indexing: Chordata (1966-1972)
Public MeSH Note: 2020; see UROCHORDATA 1999-2019
History Note: 2020(1973); was UROCHORDATA 1999-2019
Date Established: 1973/01/01
Date of Entry: 1999/01/01
Revision Date: 2020/09/02

Allowable Qualifiers: anatomy & histology (AH)

chemistry (CH)

classification (CL)

cytology (CY)

drug effects (DE)

embryology (EM)

enzymology (EN)

genetics (GE)

growth & development (GD)

immunology (IM)

metabolism (ME)

microbiology (MI)

parasitology (PS)

pathogenicity (PY)

physiology (PH)

radiation effects (RE)

ultrastructure (UL)

virology (VI)

Concept UI: M0022383
Registry Number: txid7712
Related Numbers: txid30275; txid7713
Scope Note: A subphylum of chordates intermediate between the invertebrates and the true vertebrates. It includes the Ascidians.
Terms: Urochordata Preferred Term
Term UI T042598
Date01/01/1999
LexicalTag NON
ThesaurusID NLM (1973); Tunicates
Term UI T042596
Date07/06/1988
LexicalTag NON
ThesaurusID UNK (19XX); Urochordates
Term UI T042597
Date07/06/1988
LexicalTag NON
ThesaurusID UNK (19XX); Tunicata
Term UI T042595
Date03/30/1974
LexicalTag NON
ThesaurusID UNK (19XX)

Urochordata MeSH Descriptor Data 2024