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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 Prematurity in coronaw artery disease ? CAD in Indians tends to be more aggressive and manifests at a younger age. Generally CAD occurring before the age of 55 years i
Define Impediments and Recommendations to Infuse Biology? As has been illustrated in this report, there are compelling instances demonstrating the value of and needs for concer
Define Chromium Toxicity? Trivalent chromium, the form of chromium found in foods and supplements, is least toxic. Oral supplements upto 800 to 1000 mcg per day appear to be sa
Diplotene: The paired chromosomes repel each other and begin to separate. Separation however, is not completed, because homologous chromosomes remain united by their point
Define Lactose intolerance - Modification of carbohydrate intake? This has been covered under the section on digestion and absorption earlier. We learnt that in case of lactose
The human eye is an organ which reacts to light for various purposes. As a conscious sense organ, the mammalian eye permits vision. Cone and Rod cells in the retina allow conscious
Assainment
Model Analysis The study casts of the patient provide a wealth of information and insight into the treatment decisions and planning. For partially edentulous patients it is cri
protozoa and metazoa
CELL COAT (GLYCOCALYX) Present in Protists and animal cells. Usually made of oligosaccharide side chains of glycolipids and glycoproteins. Cell coat has very charged t
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