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LEAF in Biological Dictionary

Upper epidermis

... more stomata on the lower epidermis of the leaf than the upper epidermis . ... ... it is ... and lower surfaces ... of the interior of the leaf between the upper and lower layers of epidermis is a ... ... chlorophyll-containing leaf tissue located between the upper and lower ...

Stomata

... stomata open when the light strikes the leaf in the morning and close during the night. ... ... of water molecules into the atmosphere. ... leaf stomata are the principal means of gas exchange ... underside of leaves. ... are the stomata . ... leaf would you expect to have more stomata , that of ...

Stipule

... is considered part of the anatomy of the leaf of a typical ... For resources and ... on stipule (plant), The basic angiosperm leaf ... Stipule ,biological,biology ... on stipule (plant), The basic angiosperm leaf is composed of a ...

Spongy mesophyll

... Spongy cells ... vascular tissue of the leaf and are located in the spongy layer of the ... mesophyll . ... spongy mesophyll n. A leaf tissue consisting of loosely arranged, ... ... Spongy mesophyll bending in the leaf can help gases to circulate as well (e.g. ... ...

Petiole

... the petiole is the small stalk attaching the leaf blade to the stem. The petiole usually has the ... fibre, which is second in importance among the leaf fibre group. Abaca fibre, unlike most other leaf fibres, is obtained from the plant ...

Mesophyll

... the Day, and word games. (Click to enlarge) leaf (Elizabeth Morales) leaf n. , pl. leaves. ... These two different layers ... in a leaf? Read ... Plant Cells : leaf cells: mesophyll . The mesophyll , sandwiched ...

Lower epidermis

... leaf. Vein skeleton of a Hydrangea leaf ... Epidermis (botany) Cross-section of a ... more stomata on the lower epidermis of the leaf than the upper epidermis . ... Section of a ... at a density almost as high as that found in leaf lower epidermis . ... ... is worth while ...

Leaf primordia

... knobby outgrowths ... primordial types like the leaf and flower primordia arise from the shoot apical meristem. ... From leaf Primordia at the Shoot Apex ... Angles of more clearly developed leaf primordia , numbered 1 to 7. Angles from ...

Leaf

... In botany, a leaf is an above-ground plant organ specialized for photosynthesis. For this purpose, a leaf is typically flat (laminar) and thin. There is ... grouped into the broader category of metal leaf . ... Layering gold ...

Guard cell

... In botany, a stoma is a pore, found in the leaf and stem epidermis that is used for gas ... One of the minute pores in the epidermis of a leaf or stem through ... " Guard Cell ... cell ? ... Guard cells are located in the leaf epidermis and pairwise surround stomatal ... ...

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 ... -mata or -mas . Botany. One of the minute pores in the epidermis of a leaf or stem through which gases and water vapor pass Stoma (medicine) ...

Plasmolysis

... and Tom Schuster. Microscopy ... Observation of plasmolysis when the leaf is flooded with 6% salt water. ... Definition and other additional ... leaving the cell through osmosis causing it to contract. ... Elodea leaf Cell & Plasmolysis . Salt Intake At A Movie Theatre ... 2. ...

Photorespiration

... time ... Photorespiration occurs when the CO2 levels inside a leaf become low. This happens on hot dry days when a plant is forced to ... plants? Photorespiration occurs when carbon dioxide levels within the leaf tissue dwindle to about 50 parts ... text/html; charset=utf-8 ... ...

Leaflets

... leaflet may resemble an entire leaf, but it is not borne on a stem as a leaf is, but rather on a vein of the whole leaf . Compound leaves are common in many plant families. For example, a ...

Compound

... consist of a fixed ... ... compound left: pinnately compound leaf right: palmately compound leaf (Elizabeth Morales) compound ... A compound is a chemical substance ...

Vascular bundles

... ... Vascular bundles form a kind of vertical intra-net connection between the ... Light microscopical views of vascular bundles of the leaf of a maize and b Yucca ... They are often associated with the xylem of the vascular bundles . ... They can be grouped into bundles , can ...

Thylakoids

... Center Complex Proteins ... CiteULike is a free online bibliography manager. ... proteomes (e.g. chloroplasts, thylakoids , nucleoids) and total leaf proteome ... ... of Rubisco, and RCA in thylakoids compensates for the reduction of RCA in the ... was subtracted from the average density ...

Primordium

... n. , pl. -dia . An organ or a part in its most rudimentary form or stage of development ... Explain establishment of primordium ? ... leaf primordium n. A lateral outgrowth from the apical meristem that develops into a leaf. ... Explain establishment of primordium ? ... MySpace ...

Pinna

... known as "pen shells" ... pinna n. , pl. pinnae or pinnas . Botany. A leaflet or primary division of a pinnately compound leaf ... What organ includes a cochlea and a pinna ? ... Pinna (anatomy) Pinna (anatomy) The auricula . Lateral surface. Latin auricula ...

Photosynthesis

... plant. ... Photosynthesis , the starting point for energy's travels through life. ... INTRODUCTION TO PHOTOSYNTHESIS ... Photosynthesis in a leaf - Where and How ... Photosynthesis in a leaf: Chloroplasts, Grana, Stroma, and Thylakoids, the starting point for energy's travels through life. ...

Petal

... this is not the same in appearance (color, shape) as the ... Petal is a city in Forrest County, Mississippi, United States, along the leaf River. It is part of the Hattiesburg, Mississippi Metropolitan Statistical Area. The population is 10,617 per the US Census estimates performed .....

Parenchyma cells

... 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 cross section, but ... Aspects of the topic parenchyma -cell are discussed in the following places at Britannica. Assorted ...

Monoecious

... (Hydrilla verticillata) biotypes. ... May be shorter and sharp pointed on upper branches. Flower: Monoecious ; males occur on undersides of leaf axils, purple to yellow ... PEPPER. (Piper nigrum L. ... In Japan, monoecious cucumber is very popular, and there are commercial ... ...

Monocot

... Wheat, an economically important monocot . Monocotyledons or monocots are a major group of ... with a typical monocot perigone and parallel leaf venation. ... Bargain prices on Monocot , store variety for Monocot . Compare prices and buy online at Shopzilla. Compare Cheap Prices for ...

Internode

... ... Plant stem. From Wikipedia, the free encyclopedia (Redirected from Internode (botany) ... Stem showing internode and nodes plus leaf petioles. ... Games On Net :: For all your latest Gaming News, Files, Servers & Discussion Information about what is available via the ...

Ground tissue

... the pith and cortex tissues of the stem and the ... Plant Anayomy Glossary ... palisade mesophyll: the region of ground tissue in a leaf where the chlorenchyma ... cortex: ground tissue between the vascular ... Concept 5: Ground Tissues . The three types of ground ...

Frond

... A frond is a large leaf with many divisions to it, and the term is typically used for the leaves of palms, ferns or cycads. Palm branch (symbol) From Wikipedia, the free ...

Foliose

... Shopping Organization Directory Events Calendar Hortiplex Glossary ... foliose . foliose . 1. Bearing numerous leaves. 2. A form of lichen with leaf ... Foliose Lichens. Foliose (leaf-like) lichens can be papery thin or, in more advanced forms, ... Branched foliose lichens have a ...

Dicot

... dicot groups have "monocot" characteristics such as ... In addition, some monocots have dicot characteristics such as reticulated leaf veins. ... ... to asking whether a chicken is a monocot or a dicot ; it is neither. ... Oaks, maples, and sycamore are all dicot trees, but ...

Decomposers

... grown ecofriendly coffee plantations house a variety of forest and introduced trees which in turn provide biomass in the form of dead wood, leaf litter, plant ... ... is carried out mainly by bacterial and fungal decomposers . ... present to detoxify the ammonia produced by the fish ...

Cuticle

... cuticle or cuticula is a multi-layered structure ... Plant cuticle Water beads on the waxy cuticle of kale leaves Anatomy of a leaf Plant cuticles are a protective waxy covering produced only by the Cuticle - Definition of Cuticle at Dictionary.com a free online ...

Cotyledons

... follow ... and receiving water and nutrients, the embryonic leaves ( cotyledons ) unfold. ... Soybean disease information on Purple Seed Stain and leaf Blight, Cercospora kikuchii on the Minnesota Soybean ... infected seed cotyledons are splashed or ... ...

Chloroplast

... This process is carried out in specialized organelles called chloroplasts . ... On the average, the chloroplast density on the surface of a leaf is about one ... The chloroplast , basically, is the organelle responsible for photosynthesis. ... However, the chloroplast is larger than ...

Chlorophyll

... cells and ... Chlorophyll c lacks the ... Showing our little lion dogs off to the rest of the world! ... Chlorophyll is literally defined as leaf green; the green colouring matter of ... Chlorophyll is nature's greatest cleanser. Chlorophyll is one of the greatest food substances for ...

Bract

... plant part, usually small, sometimes showy or brightly colored, and located just below a flower, a flower stalk, or bract a modified leaf or leaflike part just below and protecting an ... small bract ... glume — small dry membranous bract found in inflorescences of Gramineae ... ...

Blunt ends

... consist of two main parts; the inner leaf, which is similar to a cigarette rolling paper, except it is made of tobacco, and a thicker outer leaf which is ... blunt - end ligation troubleshooting. Harry Witchel Harry.Witchel at Bristol.ac.Uk ... trying for several months now to ...

Asters

... Stars of the Show in Fall ... Since wild asters generally grow to about 5 or 6 feet tall and have "weedy ... Many asters are prone to mildew and leaf ... Asters - Bouquets - flower arrangements hand-made by local florists. Same day delivery available. 100% satisfaction guaranteed. aster ...

Anabaena

... filaments of Anabaena , called hormogonia, often survive under the " ... Probably the easiest way to observe Anabaena is to remove a dorsal leaf lobe and ... Anabaena sensory rhodopsin transducer (ASRT) is a 14.7 kDa soluble signaling. protein associated with the membrane ... The ...
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