Hypocotyl

The region of the stem beneath the stalks of the seed leaves (cotyledons) and directly above the young root of the embryo plant. It grows rapidly in seedlings showing epigeal germination and lifts the cotyledons above the soil surface. In this region (the transition zone) the arrangement of vascular bundles in the root changes to that of the stem. (From Concise Dictionary of Biology, 1990)

Year introduced: 1995

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Tree Number(s): A18.024.875.750, A18.024.937.249, A18.550.500

MeSH Unique ID: D018546

Entry Terms:

• Hypocotyls

Previous Indexing:

• Plants (1966-1994)

All MeSH Categories
Anatomy Category
Plant Structures
Plant Components, Aerial
Plant Shoots
Hypocotyl

All MeSH Categories
Anatomy Category
Plant Structures
Plant Components, Aerial
Plant Stems
Hypocotyl

All MeSH Categories
Anatomy Category
Plant Structures
Seedlings
Hypocotyl