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Plant-induced systemic resistance. Induced systemic resistance ( ISR) is a resistance mechanism in plants that is activated by infection. Its mode of action does not depend on direct killing or inhibition of the invading pathogen, but rather on increasing physical or chemical barrier of the host plant. [1]
Trioecy. Trioecy, tridioecy or subdioecy, is a sexual system characterized by the coexistence of males, females, and hermaphrodites. It has been found in both plants and animals. [1] [2] Trioecy, androdioecy and gynodioecy may be described as mixed mating systems. [3]
Systemic acquired resistance. Systemic acquired resistance ( SAR) is a "whole-plant" resistance response that occurs following an earlier localized exposure to a pathogen. SAR is analogous to the innate immune system found in animals, and although there are many shared aspects between the two systems, it is thought to be a result of convergent ...
Esotropia is a form of strabismus in which one or both eyes turns inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria.
Stele (biology) In a vascular plant, the stele is the central part of the root or stem [1] containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue ( pith) and a pericycle, which, if present, defines the outermost boundary of the stele. Outside the stele lies the endodermis, which is the ...
Arisaema is a plant genus which is commonly cited as exercising sequential hermaphroditism. The most commonly known Arisaema plant is Arisaema triphyllum (Jack in the pulpit) plant. As the A. triphyllum grows and changes, it develops from a nonsexual juvenile plant, to a young all-male plant, to a male-and-female plant, to an all-female plant.
Heterophoria is an eye condition in which the directions that the eyes are pointing at rest position, when not performing binocular fusion, are not the same as each other, or, "not straight". This condition can be esophoria, where the eyes tend to cross inward in the absence of fusion; exophoria, in which they diverge; or hyperphoria, in which ...
Photosynthesis ( / ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [1] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their activities.
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