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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.
In general compare and contrast the three functional classifications of joints according to movement. What are two characteristics that make synovial joints unique and different fr
Photoreceptors Photoreceptors are concerned in absorption of light by photosensitive pigments. The chemical change involved produces the impulse concerned in the nerve cells.
What is Ailing Implant Ailing Implant : An implant which may indicate an increased risk for failure, which can be of temporary significance or amenable to treatment and is gene
C a n d i d i a s i s (moniliasis or thrush) C and i d a albicans , the causative fungus of the disease, is widespread in the environment and is usually present
Define Protection of poly unsaturated fatty acids (PUFA) from oxidative damage? The major biological role of vitamin E is to protect PUFAs and other components of cell membrane
There are 5 distinct yet constantly interacting phases in the care process. Assessment : A broad base of relative information about the patient's nutritional status, food ha
Define briefly about the Cereal Proteins? Cereal grains, properly ripened and dried for optimum storage stability, have protein content ranging from 6-20%. Proteins are found i
Minerals:- Selenium Food Source Sea food, organ meats, cereals (levels vary depending on soil levels) Nutritional Functional role Essential nutrient: Keshan
Orientation to the Paediatric Unit When the family arrives at the pediatric unit, they should be shown the room where their child will stay and the toilet facilities, the fan
Role of Endarterectomy : Endarterectomy is done as a semi open technique. 5-10mm long incision is made on the outer layers of the coronary artery and plain developed in 11ic thic
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