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Tlie phylum Cnidaria or Coelenterata, includes the faliiiliar hydras, jelly fishes, sea anemones and corals. You have olreacly studied about Cnidarialis in Units 4 and 7 of LSE-09 course. These are often brilliantly colourcd. They exhibit radial symnietry, The Cnidarians possess two basic metazoall structural features. Onc, there is an intenla1 space for digestion, called in Cnidarinns as gastrovascular cavity. This cavity lies along the polar axis of the animal atid opens to tlie outside at one end to for111 noutli, Tlie presence of a mouth a~id digestive cavity permits the use of a mucll greater rnlige of food sizes than is possible in tlie protozoarls and sponges. Two, in Clidariails a circle of tentacles, representing exte~lsiolls of the body wall, surrounds tlie ~lioiltli to aid in tlie capture and ingestion of food. Tlie Cnidarian body wall consists of three basic layers: an outer lnycr of cpidennis, nn inner layer of elidoder~nal cells lining Ilie gastrovnscilar cavity, and between these two a layer called mesoglea. The rnesoglea ranges from n tliin, non cellilar membranc to a thick, fibrous, jelly-like, coid lnaterial with or without wanderillg a~noebocytes, A considerable number of different cell types compose tlie epidermis and gastrader~nis, but there is only a limited degree of organ development.
Describe Pressure Controlled Ventilation (PCV) This is a pressure cycled mode (machine delivers a set pressure - the tidal volume generated depends on how compliant the lungs
Pre-operative Teaching Brief explanation-anatomy, physiology of the cardio-respiratory system. The disease and the operation which is going to be done. Operati
Sublimation is the process by which solid water changes directly to vapour phase without passing through the intervening liquid phase. The gradual disappearance of flakes of ice
Hydropericardium syndrome Hydropericardium syndrome (HPS), known as Leechi disease, is caused by Avian Adenovirus 4. HPS has been responsible for high mortality ranging from 6
Leptospirosis Leptospirosis is a general term that denotes all infections of man and animals caused by spirochaetes of the genus Leptospira. At one time, the infection had bee
Define the Diet for Children? By preschool stage, their routines are set' and dietary choices become more and more firm by the time they are in senior school. Further, there is
Is the transportation of gases in tracheophytes made through the vascular tissues? The Carbon dioxide and The Oxygen are not transported through the xylem or phloem. These gase
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WHAT DOES CYTON HAVE TO DO WITH NEURON
Cognitive - Behavioural Approaches They includepsychoeducatiorzal and rational-emotive therapy. The goal is to identify problem behaviour and irrational beliefs and then to de
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