Ontology explorer

BTO (BRENDA Tissue Ontology)

Download as: OBO OWL

Change ontology: Version 2021-10-23

Term or Synonym: use AND (NOT) or OR

Definition: use AND (NOT) or OR

Id:

restrict to BRENDA links:

Tissue

Details for companion cell

companion cell

BTO (BRENDA Tissue Ontology) ID

BTO:0002499

BTO:0002499 is linked to 6 enzymes:

Definition

A specialized parenchyma cell, located in the phloem of flowering plants and closely associated in development and function with a sieve-tube element

Synonyms

1. phloem companion cell

References

1. The American Heritage Dictionary of the English Language: Fourth Edition. 2000.

Legend

is an element of the parent element

is a part of the parent element

is related to the parent element

derives from the parent element

at least 1 tissue/ enzyme/ localization link in this branch

tissue/ enzyme/ localization link to BRENDA

Tree view

tissues, cell types and enzyme sources

tissues, cell types and enzyme sources is a

animal

fungus

organism form is a

other source is a

plant

whole plant is a

aerial part part of

fruit

idioblast

inflorescence part of

laticifer

lignifying cell part of

meristem

plant cell line derives from

plant crown part of

plant embryo is a

cotyledon

cotyledonary node part of

embryogenic cell line derives from

embryonic axis part of

hypocotyl

apical hook derives from

coleoptile part of

bundle sheath part of

cauline leaf is a

cigar leaf is a

compound leaf is a

endodermis part of

fascicle

fiddlehead is a

final leaf is a

juvenile leaf is a

leaf collar part of

leaf lamina part of

leaf primordium is a

leaf sheath part of

primary leaf is a

radical leaf is a

trapping leaf is a

vascular bundle part of

plant vessel part of

companion cell part of

phloem parenchyma cell part of

sieve cell part of

sieve tube part of

pith

xylem

mesocotyl

plant protocorm derives from

radicle

plant epidermis part of

plant epithelium part of

plant form is a

plant gall derives from

plant mucous cell part of

plant primordium part of

plant rachis part of

plant reproductive system part of

plant secretory cell part of

plant tumor tissue derives from

storage tissue part of

vascular tissue part of