WebEach lobe is supported with a chitinous rod-the aciculum. 10. The inner end of aciculum is connected with muscles and the outer lateral end bears a bunch of chitinous setae. 11. The muscles control the movement of aciculum arid setae help in swimming. 12. Above the gut inside the mesentery is present the dorsal blood vessels and below the gut ... WebOct 13, 2014 · Defining Characteristics One or more pairs of chitinous setae The phylum includes polychaetes, earthworms, leeches, and vestimentiferans. True segmented worms Metameric segmentation. Body Structure. Uploaded on Oct 13, 2014 Corbin Justice + Follow polychaetes species lack nervous system anterior sucker small intriguing class
setae collocation meaning and examples of use - Cambridge …
WebTry the world's fastest, smartest dictionary: Start typing a word and you'll see the definition. Unlike most online dictionaries, we want you to find your word's meaning quickly. We don't care how many ads you see or how many pages you view. In fact, most of the time you'll find the word you are looking for after typing only one or two letters. WebThe pattern of morphogenesis of the chitinous compound (jointed) setae of the larvae of polychaete Nereis vexillosa Grube was deduced from electron-microscopic analyses of many stages of secretion by inferring the precise size and shape of each complex seta is controlled by sequential modulations of the number, size, shape, arrangement and ... ph service charge law
Solved > 71. The chitinous bristles that earthworms use…
WebAug 6, 2024 · 2.2.1 Brief characterization of chitinous setae of spider’s cuticle. Cuticles of insects, spiders or crustaceans are composed mainly of sclerotized chitin and exhibit a … WebSolution. Chitinous setae are present in Annelids, which are locomotory organs. these are bristle or stiff hair present, especially in invertebrates. Chitinous are the semitransparent … WebApr 16, 2024 · Conspicuous 'hairs,' or setae, protrude from the legs of this Chilean rose tarantula. ... Mammalian hair is mainly made of keratin, while arthropod setae consists largely of chitin. 4. Some Fling ... ph serve drinks smis 4