sessile meaning in zoology

A sessile polyp is not similar as other conventional adenomas. 1. Sessile lifestyle and origin of chordates. (1996). Sessile definition: (of flowers or leaves) having no stalk ; growing directly from the stem | Meaning, pronunciation, translations and examples This is distinct from the botanical meaning of sessility, which refers to an organism or biological structure attached directly by its base without a stalk. Corals lay down their own substrate. Sessile — is a term in biology with two distinct meanings: In botany and medicine In botany, sessile means without a stalk , as in flowers (pedicel) or leaves (petiole) that grow directly from the stem or peduncle; however, in limnology, sessile … A.R. Both are described below. … In zoology , sessility applies to those animals which are attached to a substrate . sessile translation in English-French dictionary. attached directly by the base; not having an intervening stalk; "sessile flowers"; "the shell of a sessile barnacle is attached directly to a substrate" sessile - WordReference English dictionary, questions, discussion and forums. How to use sessile in a sentence. sessilely synonyms, sessilely pronunciation, sessilely translation, English dictionary definition of sessilely. General Biology, 11th Edition. This alone accounts for the ever-increasing scope of the course. 2, pp. (zoology, botany) In a sessile manner. 1983. 1886, Journal of the Trenton Natural History Society, volume 1, page 138: The species, so far as the shape of the lorica is concerned, resembles the sessilely attached fresh-water Salpingaeca fusiformis, S. K., but is excluded from the section to which Kent has relegated the latter, by … Polyp Definition. (zoology) permanently attached to a substrate; not free to move about; “an attached oyster” ¹. 23, No. it Botaniche e morfologiche: // Pianta di forma conica, in condizioni normali di coltivazione fornisce 20-24 foglie, più (« avanone ») o meno (« avanetta ») erette; fusto verde carico; infiorescenza molto staccata, foglie sessili Botaniche e morfologiche: // Pianta di forma conica, … zoology definition: 1. the scientific study of animals, especially their structure 2. the scientific study of animals…. See more. ‘Alternatively, competent larvae of many sessile invertebrate species do not progress toward metamorphosis if stimulatory cues are absent.’ 1.1 Botany Zoology (of a plant or animal structure) attached directly … ‘Scientific botany and zoology dealt not with the dynamics of whole living organisms in the field but with dissection of fragments in the laboratory.’ ‘T H. Huxley, too, had an enormous influence on Morgan, training him in zoology when Morgan returned to London for postgraduate study not long after his geology … sessile. Sessile animals typically have a motile phase in their development. In botany, sessility (meaning "sitting", used in the sense of "resting on the surface") is a characteristic of plant parts that have no stalk. Define sessilely. 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: … What Is Cephalization in Zoology?. Definition funny of Sessile: doesn't fucking move sponges, which are animals, are sessile beings. when you grate a sponge onto a plate, each individual bit can grow into a new sponge. Sessile Definition: (of flowers or leaves) having no stalk ; growing directly from the stem | Bedeutung, Aussprache, Übersetzungen und Beispiele Definition of Sessile. Attached without any sensible projecting support. 2. Sessile Definition Biologically speaking, an organism that is sessile (as opposed to motile ) lacks the ability of self-locomotion and is predominantly immobile. In this context and taking into account the need for preserving high proportions (minimum 60-70%) of sessile oak trees in Romanian mixed stands, the paper aims at characterising the dynamics of the process of natural mortality in two sessile oak-dominated stands including tree species with different light requirements … The term sessility is also used in … sessile sessile leaf Biology adj. sile || 'sesl /'sesaɪl adj. Sessile definition is - attached directly by the base : not raised upon a stalk or peduncle. Adjective. We even built a prototype before Caliban, a sessile testbed unit, and gave … Sessile Definition Biologically speaking, an organism that is sessile (as opposed to motile) lacks the ability of self-locomotion and is predominantly immobile. We walked on past sessile oaks and bilberry patches downhill until we reached the valley: 2. Sessile organisms for which natural motility is absent are normally immobile. this type of asexual reproduction is useful, but not really, because these new organisms don't fucking move. Online Dictionary of Invertebrate Zoology. The cells from this type of polyp look serrated or have a sawtooth look under a microscope, which gives them … Cephalization is an evolutionary trend in which the neurons in an organism become concentrated at one end of its body -- particularly the head region -- allowing the brain to be located in one place.

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