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Descriptor English: Ferns
Descriptor Spanish: Helechos
Descriptor helechos
Scope note: Plantas de la clase Filicinae, que carecen de semillas y flores. Se reproducen por esporas, que aparecen como puntos en el envés de las plumosas frondas. En clasificaciones anteriores, las Pteridofitas comprendían los licopodios, las corregüelas hembras, los helechos y diversos grupos fósiles. En clasificaciones más recientes, las pteridofitas y las espermatofitas (plantas con semillas) están clasificadas en el subreino Tracheobionta (también denominado Tracheophyta).
Descriptor Portuguese: Gleiquênias
Descriptor French: Fougères
Entry term(s): Blechnum
Tree number(s): B01.875.800.575.912.063
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D029624
Scope note: Seedless nonflowering plants of the class Filicinae. They reproduce by spores that appear as dots on the underside of feathery fronds. In earlier classifications the Pteridophyta included the club mosses, horsetails, ferns, and various fossil groups. In more recent classifications, pteridophytes and spermatophytes (seed-bearing plants) are classified in the Subkingdom TRACHEOPHYTA (also known as Tracheophyta).
Annotation: prefer specific plant
Allowable Qualifiers: AE effets indésirables
AH anatomie et histologie
CH composition chimique
CL classification
CY cytologie
DE effets des médicaments et des substances chimiques
EM embryologie
EN enzymologie
GD croissance et développement
GE génétique
IM immunologie
ME métabolisme
MI microbiologie
PH physiologie
PO intoxication
PS parasitologie
RE effets des radiations
TO toxicité
UL ultrastructure
VI virologie
DeCS ID: 35977
Unique ID: D029624
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2002/01/01
Date of Entry: 2001/07/25
Revision Date: 2017/07/13
Fougères - Preferred
Concept UI M0385058
Preferred term Fougères
Blechnum - Narrower
Concept UI M0418988
Preferred term Blechnum



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