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Parenchyma in Biological Dictionary

Spongy mesophyll

... . ... A simple cross section through parenchyma (palisade and spongy ) of the mesophyll of a ... mesophyll consists of irregularly shaped parenchyma ... The spongy mesophyll are usually ... of one or several layers of elongated, narrow parenchyma cells with their long axes at right angles to ...

Parenchyma cells

... parenchyma is a term used to describe a bulk of a ... ways in animals and in plants. The form of parenchyma cells varies with their function. The epidermal parenchyma cells of a leaf are barrel shaped in ...

Ground tissue

... tissue (see textbook Figure 1.1B) ... parenchyma or ground tissue cells are always alive, ... It makes up the bulk of the plant body. ... parenchyma is the most common tissue in ground tissue ... nutrients by photosynthesis and stores ... parenchyma is the most common ground tissue . ... ...

Chlorenchyma

... > plant anatomy > plant tissues > parenchyma > chlorenchyma ... Resources in ... chlorenchyma (kl-rngk-m) ... chlorenchyma - parenchyma whose cells contain chloroplasts ... chlorenchyma n. Plant tissue consisting of parenchyma cells that contain chloroplasts. ... What type ...

Sieve tubes

... tube elements, also called sieve tube members, are a type of elongated parenchyma cells in phloem tissue. At the ends these cells are connected with ... composed of sieve tubes , companion cells, phloem fibres and phloem parenchyma ... sieve tubes transport organic compounds, ... Britannica online ...

Phloem

... consisting of sieve tubes, fibers, ... elements differ from phloem parenchyma cells in the ... In trees, the phloem and other tissues make up the ... the phloem fibres give the plant mechanical strength, the phloem parenchyma stores compounds such as starch. A line drawing of the different phloem ...

Periderm

... Periderm development in the stem often starts in subepidermal parenchyma cells. ... to the initiation of Periderm . Periclinal divisions in parenchyma cells of ... The periderm is a superficial layer of cells which ...

Cork cambium

... growth ... The first cork cambium is formed by dedifferentiated parenchyma in the outer part of the cortex. ... This first cork cambium will ... cambium or phellogen. ... On the inside the cork cambium generates parenchyma cells that replace the cortex (phelloderm) ... ...

Vascular bundles

... -- an area of conducting tissue composed of xylem tissue and phloem tissue. ... more prominent vascular bundles a bundle sheath of parenchyma ... There is also a layer of sclerenchyma around each of the vascular bundles (Figure 1) ... You will also notice vascular bundles , which ...

Vascular bundle

... -- an area of conducting tissue composed of xylem tissue and phloem tissue. ... more prominent vascular bundles a bundle sheath of parenchyma ... Zoom: xylem vessels as part of a vascular bundle ... Vascular bundles form a kind of vertical intra-net connection between the ... ...

Tracheids

... have pits where the cell wall is modified into a thin membrane, across ... Tracheids have no perforation plates. Xylem fibres and xylem parenchyma ... xylem vessels and tracheids transport water and mineral salts, ... Vasicentric tracheids surround a vessel, but farther away from ...

Suberin

... prevent water from ... In root s suberin is deposited in the radial and transverse cell wall s of the ... In plants, it is a thin layer of parenchyma found in roots, just outside the ... endodermis cells are impregnated with suberin ; a waxy substance which is water ... Very long chain ...

Stoma

... In botany, a stoma is a pore, found in the leaf and stem epidermis that is used for gas exchange. The pore is formed by a pair of specialized parenchyma cells known as guard cells which are responsible for regulating the ... In medicine, a stoma is an opening, either natural or surgically ...

Pith

... Pith is a substance that is found in vascular plants. It consists of soft, spongy parenchyma cells, and is located in the center of the stem in eudicots and in the center of the roots in monocots. It is encircled by a ring of xylem ...

Pericycle

... The pericycle is a cylinder of parenchyma cells that lies just inside the endodermis and is the outer most part of the stele of plants. Aspects of the topic pericycle are discussed ...

Mesophyll

... mesophyllic. mesophyllic ... Definition and other additional information on Mesophyll from Biology-Online.org dictionary. ... Includes palisade parenchyma and spongy mesophyll . ... Mesophyll - Definition of Mesophyll at Dictionary.com a free ... mesophyll (měz'ə-fĭl' ... Most mesophyll ...

Lateral meristem

... angiosperms ( in angiosperm (plant): Roots ) ... ability to differentiate into cells of a different type under appropriate conditions. The parenchyma cells of the pericycle, then, can be considered meristematic in that they give rise to ... PLANT GROWTH: APICAL AND LATERAL MERISTEMS . ...

Guard cell

... In botany, a stoma is a pore, found in the leaf and stem epidermis that is used for gas exchange. The pore is formed by a pair of specialized parenchyma cells known as guard cells which are responsible for regulating the ... From Wikipedia, the free encyclopedia (Redirected from Guard ...

Dermal tissue

... ... In leaves, dermal tissue contains specialized cells called guard cells that make ... Secondary Dermal Tissues . Ground Tissue or parenchyma ... The epidermis is the main dermal tissue of primary plant organs above ground. ... Leaves are the primary photosynthetic organs of ...

Collenchyma

... Information about collenchyma in the free online English ... collenchyma (k-lngk-m) ... Collenchyma cells remain alive at maturity. Compare parenchyma ... ... meristematic origin and distribution of collenchyma in plant organs. ... Parenchyma, collenchyma and sclerenchyma are referred to ...
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