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Gland
[ Biology ]
Adjective: Glandular
or Glandulosus
Adjective (Antonym):
Eglandular or
glandless |
Dictionary of botanic
terminology
index of names |
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A gland is an organ that manufactures or discharge chemical
substances to be used in, or eliminated from, the body . A gland may
vary from a single cell to a complex system of tubes that unite and open
onto a surface through a duct. |
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Gland
[ Botany ] |
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Glandulicactus wrightii
A drop of nectar secreted by an
areolar gland (nectary.) |
Simple glands are common in the plant
kingdom. The sweet
nectar of flowers and the
resinous pitch of pine trees are
substances produced by plant glands. Vegetal glands are special, usually
minute and globular, organ,
embedded or projecting from the surface of the plant that
secretes or
excretes a variety of
liquid substances that have various purposes, hence glandular.
Some common examples of plant glands are:
- Nectary: Glands that
produces the nectar a sweet sugary
substance.
- Trichomes:
Unbranched hair-like outgrowth of the epidermis, often glandular.
- Poison gland: A gland, in animals or plants, which secretes
an acrid or venomous matter, that is conveyed along an organ capable
of inflicting a wound.
- Pulvinus:
swelling at the base of a petiole
of a leaf or
leaflet, sometimes glandular or
responsive to touch. hence pulvinate
- Hydathode: A
pore that
exudes water on the surface or
the margin of a leaf.
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Glanduligerus (m)
[ Biology ]
Glanduligera (f)
Glanduligerum (n) |
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Glanduligerus, a, um , = gland-bearing
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Glandulosus (m)
[ Biology ]
Glandulosa (f)
Glandulosum (n) |
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Glandulosus, a, um , = glandular
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