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Angiosperm Morphology: The Monocotyledonous Leaf of Zea

cross section:Zea leaf common name: corn magnification: 100x The iso-bilateral leaf of Zea is typical of most monocots. Both upper and lower epidermis are uniseriate and well cutinized. Within the upper, or adaxial, epidermis, large white bulliform cells shrink, allowing the leaf to roll during drought. Stomata are present on both surfaces with guard cells perched above small round substomatal chambers. As with most monocots the mesophyll is unspecialized, being composed of compactly arranged somewhat round chlorenchyma cells. Numerous small and occasionally large vascular bundles are arranged in parallel series along the length of the leaf. The vascular bundles are collateral and closed with xylem of vessels and tracheids towards the adaxial surface and phloem of sieve tubes and companion cells towards the abaxial surface. Cambium is not present. Within each bundle a xylem of two oval metaxylem and a single large protoxylem cavity can be seen. Each vascular bundle is wraped by a bundle sheath of thin walled parenchyma cells. Larger bundles are supported towards both surfaces by masses of sclerenchyma that interrupt the mesophyll to form a patchy hypodermis. cross section:Zea leaf common name: corn magnification: 100x The iso-bilateral leaf of Zea is typical of most monocots. Both upper and lower epidermis are uniseriate and well cutinized. Within the upper, or adaxial, epidermis, large white bulliform cells shrink, allowing the leaf to roll during drought. Stomata are present on both surfaces with guard cells perched above small round substomatal chambers. As with most monocots the mesophyll is unspecialized, being composed of compactly arranged somewhat round chlorenchyma cells. Numerous small and occasionally large vascular bundles are arranged in parallel series along the length of the leaf. The vascular bundles are collateral and closed with xylem of vessels and tracheids towards the adaxial surface and phloem of sieve tubes and companion cells towards the abaxial surface. Cambium is not present. Within each bundle a xylem of two oval metaxylem and a single large protoxylem cavity can be seen. Each vascular bundle is wraped by a bundle sheath of thin walled parenchyma cells. Larger bundles are supported towards both surfaces by masses of sclerenchyma that interrupt the mesophyll to form a patchy hypodermis.

Grunge Shields

A set of distressed shield icons. A set of distressed shield icons

Grunge Shields 2

A set of distressed shield icons. A set of distressed shield icons

Golden Shields

A set of golden shield icons (available as ). A set of golden shield icons (available as )

Steps

Closeup of old stone steps

Angiosperm Morphology: The Closed and Collateral Vascular Bundle in Zea

cross section:Zea leaf common name: corn magnification: 400x The iso-bilateral leaf of Zea is typical of most monocots. Both upper and lower epidermis are uniseriate and well cutinized. Within the upper, or adaxial, epidermis, large white bulliform cells shrink, allowing the leaf to roll during drought. Stomata are present on both surfaces with guard cells perched above small round substomatal chambers. As with most monocots the mesophyll is unspecialized, being composed of compactly arranged somewhat round chlorenchyma cells. Numerous small and occasionally large vascular bundles are arranged in parallel series along the length of the leaf. The vascular bundles are collateral and closed with xylem of vessels and tracheids towards the adaxial surface and phloem of sieve tubes and companion cells towards the abaxial surface. Cambium is not present. Within each bundle a xylem of two oval metaxylem and a single large protoxylem cavity can be seen. Each vascular bundle is wraped by a bundle sheath of thin walled parenchyma cells. Larger bundles are supported towards both surfaces by masses of sclerenchyma that interrupt the mesophyll to form a patchy hypodermis. cross section:Zea leaf common name: corn magnification: 400x The iso-bilateral leaf of Zea is typical of most monocots. Both upper and lower epidermis are uniseriate and well cutinized. Within the upper, or adaxial, epidermis, large white bulliform cells shrink, allowing the leaf to roll during drought. Stomata are present on both surfaces with guard cells perched above small round substomatal chambers. As with most monocots the mesophyll is unspecialized, being composed of compactly arranged somewhat round chlorenchyma cells. Numerous small and occasionally large vascular bundles are arranged in parallel series along the length of the leaf. The vascular bundles are collateral and closed with xylem of vessels and tracheids towards the adaxial surface and phloem of sieve tubes and companion cells towards the abaxial surface. Cambium is not present. Within each bundle a xylem of two oval metaxylem and a single large protoxylem cavity can be seen. Each vascular bundle is wraped by a bundle sheath of thin walled parenchyma cells. Larger bundles are supported towards both surfaces by masses of sclerenchyma that interrupt the mesophyll to form a patchy hypodermis.

Collateral gnus

These two gnus seem like twins and the symetric effect is funny. These two gnus seem like twins and the symetric effect is funny.

The pallet with a border on a building site

The pallet with a border on a building site against the sky.

Banner

This is a banner for your text with grunge design elements.

Collateral gnus

These two gnus seem like twins and the symetric effect is funny. These two gnus seem like twins and the symetric effect is funny.

Part of the old gas pipeline

Part of the old ground of natural gas transmission system. Part of the old ground of natural gas transmission system

A wooden treasure chest

A wooden treasure chest with money

Angiosperm Morphology: Bulliform Cells in Zea Leaf

cross section:Zea leaf common name: corn magnification: 400x The iso-bilateral leaf of Zea is typical of most monocots. Both upper and lower epidermis are uniseriate and well cutinized. Within the upper, or adaxial, epidermis, large white bulliform cells shrink, allowing the leaf to roll during drought. Stomata are present on both surfaces with guard cells perched above small round substomatal chambers. As with most monocots the mesophyll is unspecialized, being composed of compactly arranged somewhat round chlorenchyma cells. Numerous small and occasionally large vascular bundles are arranged in parallel series along the length of the leaf. The vascular bundles are collateral and closed with xylem of vessels and tracheids towards the adaxial surface and phloem of sieve tubes and companion cells towards the abaxial surface. Cambium is not present. Within each bundle a xylem of two oval metaxylem and a single large protoxylem cavity can be seen. Each vascular bundle is wraped by a bundle sheath of thin walled parenchyma cells. Larger bundles are supported towards both surfaces by masses of sclerenchyma that interrupt the mesophyll to form a patchy hypodermis. cross section:Zea leaf common name: corn magnification: 400x The iso-bilateral leaf of Zea is typical of most monocots. Both upper and lower epidermis are uniseriate and well cutinized. Within the upper, or adaxial, epidermis, large white bulliform cells shrink, allowing the leaf to roll during drought. Stomata are present on both surfaces with guard cells perched above small round substomatal chambers. As with most monocots the mesophyll is unspecialized, being composed of compactly arranged somewhat round chlorenchyma cells. Numerous small and occasionally large vascular bundles are arranged in parallel series along the length of the leaf. The vascular bundles are collateral and closed with xylem of vessels and tracheids towards the adaxial surface and phloem of sieve tubes and companion cells towards the abaxial surface. Cambium is not present. Within each bundle a xylem of two oval metaxylem and a single large protoxylem cavity can be seen. Each vascular bundle is wraped by a bundle sheath of thin walled parenchyma cells. Larger bundles are supported towards both surfaces by masses of sclerenchyma that interrupt the mesophyll to form a patchy hypodermis.

White window

White window whit trellis and overgrown with vine

Chinese culture

It is a chinese style toy. See more my images at :) . It is a chinese style toy. See more my images at :)

No.6

Haven of rest on pilaster number six. Haven of rest on pilaster number six

Huangshan welcoming pine and Heavenly Capital Peak

Welcoming pine stand in the Huangshan Scenic Area Yuping Leo stone floor next to an elevation of 1670 m Department. Height 9.91 m, 2.05 m Bust, canopy height of 2.54 meters. Extended up to 7.6 meters in central trunk two collateral development to the front, looking like a hospitable host, command arms development, warmly welcome guests all over the world visit to Huangshan. Visitors to this, a sudden doubling in travel, have photo taken, cited that fortunate. Welcoming pine as the Chinese people, a symbol of friendship with the people of the world has long been known in the world. China's leaders in the Great Hall of the huge welcoming pine painting before, met with many friendly envoy, with the peoples of the world and forged a profound friendship. Welcoming pine as a national treasure, is well deserved. Welcoming pine stand in the Huangshan Scenic Area Yuping Leo stone floor next to an elevation of 1670 m Department. Height 9.91 m, 2.05 m Bust, canopy height of 2.54 meters. Extended up to 7.6 meters in central trunk two collateral development to the front, looking like a hospitable host, command arms development, warmly welcome guests all over the world visit to Huangshan. Visitors to this, a sudden doubling in travel, have photo taken, cited that fortunate. Welcoming pine as the Chinese people, a symbol of friendship with the people of the world has long been known in the world. China's leaders in the Great Hall of the huge welcoming pine painting before, met with many friendly envoy, with the peoples of the world and forged a profound friendship. Welcoming pine as a national treasure, is well deserved.

Abstract business collateral brochure design

Global business design concept for your brochures,banners,business collateral ,templates,presentations. Global business design concept for your brochures,banners,business collateral ,templates,presentations

Old and abandoned

Few leaves lie scattered on an old tabletop. Few leaves lie scattered on an old tabletop

Background

Minimal background with modern design elements.Place your text anywhere.

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