Français
2. Anatomical structure
2.1 Formation and role of wood in trees
-
Tree growth
Plant tissues are formed from tissues specialized in cell division, the "meristems", composed of undifferentiated cells.
There are two families.
-
Primary meristems
They are located at the tips of stems and roots, and ensure that plants grow lengthwise by forming clumps of cells in a non-ordered arrangement.
-
Secondary meristems
They appear in the plant from the second year onwards, in the form of continuous layers of cells called "assises", and ensure growth in diameter by producing cells aligned in the continuation of the meristematic cell...
-
The Ultimate Scientific and Technical Reference
This article is included in
The superstructure of the building
This offer includes:
Knowledge Base
Updated and enriched with articles validated by our scientific committees
Services
A set of exclusive tools to complement the resources
Practical Path
Operational and didactic, to guarantee the acquisition of transversal skills
Doc & Quiz
Interactive articles with quizzes, for constructive reading
Anatomical structure
Chemical composition
Bibliography
Standards and norms
- Environmental management – Lifecycle analysis – Principles and framework - NF EN ISO14040 (X30-300) - octobre 2006
- Environmental management – Lifecycle analysis – Requirements and guidelines - NF EN ISO14044 (X30-304) - octobre 2006
- Round and sawn timber – Nomenclature of woods used in Europe - NF EN 13556 (B53.800) - décembre 2003
- Vocabulaire des termes relatifs au bois - NF B 50-002 (B 50-002)...
Regulations
Order of November 21, 2002 on the reaction to fire of construction and fitting-out products
Directory
Organizations – Federations – Associations (non-exhaustive list)
-
ADEME – French Environment and Energy Management Agency
-
AQC – Agence qualité construction
...
The Ultimate Scientific and Technical Reference
