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Aerenchyma in stem cross section of a typical wetland plant. Aerenchyma or aeriferous parenchyma [1] or lacunae, is a modification of the parenchyma to form a spongy tissue that creates spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root. [2]
The study of plant response in space environments is another subject of astrobotany research. In space, plants encounter unique environmental stressors not found on Earth including microgravity, ionizing radiation, and oxidative stress. [23] Experiments have shown that these stressors cause genetic alterations in plant metabolism pathways.
The L.A. Times misreported that a DNA mutation from space exposure could yield a poisonous fruit. While incorrect, the report served to raise awareness of the experiment and generate discussion. [17] Space seeds germinated sooner and grew faster than the control seeds. Space seeds were more porous than terrestrial seeds. [18]
In reference to the muscles of the thoracic wall, the intercostal nerves and vessels run posterior to the internal intercostal muscles: therefore, they are generally covered on the inside by the parietal pleura, except when they are covered by the innermost intercostal muscles, innermost intercostal membrane, subcostal muscles or the transversus thoracis muscle.
The espalier method is a creative way to grow fruit trees, which combines functionality with a touch of elegance.“It's a specialty pruning and training technique used to grow trees and wood ...
The dark horizontal lines on silver birch bark are the lenticels. [1]A lenticel is a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of gymnosperms and dicotyledonous flowering plants. [2]
It's important to pick plants with similar sunlight requirements so they all thrive in the same space—and to ensure one half of your plant wall isn't crispy while the other blooms.
To be considered real cheese, dairy products must contain at least 51% natural cheese. While processed cheese does contain true cheese (often a blend of cheddar and Colby), it doesn't meet that ...