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Tear duct and glands, structures that produce and distribute the watery component of the tear film. Tears consist of a complex and usually clear fluid that is diffused between the eye and the eyelid. Further components of the tear film include an inner mucous layer produced by specialized.
13 Δεκ 2007 · It is argued that, given the importance of laticifers and secretory ducts to plant defense against insect herbivory, these structures are under-investigated and deserve more intensive study.
19 Σεπ 2018 · Introduction. The huge biological diversity is responsible for relations between different species of plants, animals and microorganisms, with emphasis on the correlation between plants and insects. The interrelationships between these two groups of organisms are already well established in the evolutionary history of both.
5 Ιουν 2012 · We can, thus, define secretion in plants as the transfer of certain intermediate or end products of metabolism from one region to another within the cell or out of the protoplast to another part of the plant body.
19 Σεπ 2018 · This chapter aims to review the similarities and differences between laticifers and ducts and to demonstrate the structure, secretory activity and chemical composition of the secretion of each...
Secretory Tissue in Plants. Cells or tissue associated with or facilitate the secretion is termed as the secretory cell or secretory tissue. The structure, arrangement and the origin of secretory cells/tissues highly varies. Classification of Secretory Tissues.
16 Ιουν 2020 · Fahn concluded that secretory tissues first arose as idioblasts scattered within tissues and these then developed to form ducts and cavities, finally evolving into secretory structures, the glandular trichomes. Here we examine the distribution of salt-secreting structures in the Plumbaginaceae and discuss our observation that all salt-tolerant ...
