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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.
Your final assignment is to write an (~2000 words) on any drug that is currently approved by the FDA, describing how the drug works based on the mechanisms of human biology describ
Adverse effects of Enfuvirtide Almost all patients make local injection site reactions to enfuvirtide, usually having of mild or moderate pain, erythema, induration, nodules an
Action of carbon dioxide receptor cells The respiratory center is sensitive to increased carbon dioxide levels and increased acidity of the blood. It is peculiar that even tho
Compromised health or 'surviving' implants The features or clinical conditions which are representative of this group are: i) No pain in the implant site upon function ii
Why is the occurrence of eyelids in amphibians in comparison to their absence in fishes and adaptation to terrestrial life? Eyelids associated to lacrimal glands protect and ke
how a simple medium can be converted into selective differential and enriched medium?
PLACENTA - A common tissue of foetus & mother (uterus) which is physical, physiological & endocrinal connection is known as placenta. FUNCTIO N - To provide nutrients
Define the term - lateralisation and localisation Discriminative validity studies including lateralisation and localisation achieved satisfactory results, but the localisation
Define the Functions of Vitamin E? Vitamin E is the major lipid-soluble antioxidant in the cell antioxidant defence system and is exclusively obtained from the diet. The main r
STRUCTURE Mitochondria is a double unit membranous structure. It consists of outer & inner membranes. Outer membrane is smooth & made up of lipoproteins. It bears m
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