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Xylem in Medical Dictionary

Air Embolism

...n the... air embolism n An obstruction of a blood vessel caused by the entrance of air ... However air embolisms may also occur in the xylem of vascular plants, especially ... ... about Embolism : Causes and symptoms Diagnosis Treatment Prognosis Prevention Resources Embolism Defin...
Xylem in Biological News

Why juniper trees can live on less water

...ndency for bubbles to form in the water-conducting xylem tissues of plants. Water is sucked through xylem tissues under a partial vacuum, "so it's almost li... get into the xylem." The scientists found that xylem tissues of juniper species tend to be reinforced w...

Surprising symbiosis: Glassy-winged sharpshooter eats with friends

...e. Many insects, such as aphids and cicadas, feed on the sap from a plant's xylem or phloem, pipes that transport water and food within a plant. These sap-fe...n sharpshooter symbiosis was in the hope that we could find out exactly how xylem can be used as food," Moran explains. "It's terribly poor in nutrients." ...
Xylem in Biological Definition

Xylem

Tracheids and vessel elements In vascular plants , the xylem is the tissue that carries water up the root and stem. In trees , it constitutes wood ; the word is derived from Greek ξύλον xúlon , "wood, timber". Together with the ph...

Biological tissue

... , spinal cord and peripheral nervous system Examples of tissue in other multicellular organisms are vascular tissue in plants , such as xylem and phloem . Plant tissues are categorized into the parenchyma , the collenchyma , and the sclerenchyma . ...

Endodermis

...f suberin mainly, a waxy substance which prevents water from flowing back into the soil. Water is thus forced toward the center of the root, into the xylem , where it is then transported into the rest of the plant. ...

Leaf

...f pattern formation through ramification. The veins are made up of: xylem , which brings water from the stem into the leaf. phloem , which usuall...tter containing the glucose produced by photosynthesis in the leaf. The xylem typically lies over the phloem. Both are embedded in a dense parenchyma tis...

Phloem

...erived from the Greek word for "bark". See also xylem . Phloem sap moves from sugar source s to su...The movement in phloem is bidirectional, wheras in xylem cells, it is unidirectional (upward). After the... While movement of water and minerals through the xylem is driven by negative pressures (tension) most of ...
Xylem in Biological Dictionary

Xylem

In vascular plants, xylem is one of the two types of transport tissue, phloem being the other. The word " xylem " is derived from classical Greek ξυλον (xylon), "wood", and indeed the best known xylem tissue is wood, though it... products news product specifications dea...

Secondary xylem

In vascular plants, xylem is one of the two types of transport tissue, phloem being the other. The word " xylem " is derived from classical Greek ξυλον (xylon), "wood", and indeed the best known xylem tissue is wood, though it... xylem n. The supporting and water-cond...

Vessel cell

...erlike (scalariform) thickenings. The largest tracheids are several centimetres long, but most are much smaller. Vessel cells,... Two types of xylem vessel members can be described. ... There is no cell wall material at the ends of the vessels (tomatoes have a ... Four-Gas Mixing in Cell...

Vascular system

... is a complex conducting tissue, formed of more than one cell type, found in vascular plants. The primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and nutrients internally. There are also two meristems... vascular system A body system contai...

Vascular cambium

...ular cambium is the source of both the secondary xylem and the secondary phloem (outwards), and is loc...e primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and...cular cambium produces vascular tissues, new xylem on ... The cambium which lies inside the va...

Vascular plants

... and seed-bearing plants , in which the phloem transports sugar and the xylem transports Vascular plants are named from the latin word vasculum, ...from the ... The vascular plants have specialized transporting cells xylem (for transporting ... Vascular plant summary with 18 pages of encyc...

Vascular bundles

... in vascular tissue, which exists in two forms: xylem and phloem. Both these tissues are present in a ...e primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and...dles And The Theory of Steles. Literature ... or xylem of the vascular bundles is associated with c...

Vascular bundle

... in vascular tissue, which exists in two forms: xylem and phloem. Both these tissues are present in a ...e primary components of vascular tissue are the xylem and phloem. These two tissues transport fluid and...dles And The Theory of Steles. Literature ... or xylem of the vascular bundles is associated with c...

Tracheophytes

...e tissues ... NatureWorks ... plants or tracheophytes , like flowers, ... Tracheophytes . Unlike bryophytes, tracheophytes have tissues called xylem that transport water, ... Tracheophytes , collective term applied to vascular plants of nine divisions, or ... " Tracheophytes ," Microsoft® En...

Tracheophyte

...alls of the tracheae, or... tracheophyte ( ) n. Any of various vascular plants, including seed plants and ferns, having a conducting system of xylem and phloem vascular plant , tracheophyte green plant having a vascular system: ferns, gymnosperms, angiosperms ... Is an onion plant a bry...
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