1. Fibrosarcoma Malignant neoplasm of fibroblasts. May arise from the periosteum/extraosseous soft tissue. Fibrosarcoma are composed of spindle shaped cells with hyperchromatic nuclei many of which are exceptionally large. Through out specimen there are bones of tissue in which the cells are oriented in one direction giving them a Herring appearance. Some of the … [Read more...] about Fibrosarcoma: Causes, Diagnosis, and Treatment
Calcium And Phosphorus Homeostasis Notes
Regulation Of Calcium And Phosphate Homeostasis Ca++ and inorganic phosphate (Pi)* are multivalent ions that subserve many complex and vital functions. Ca++ is an important cofactor in many enzymatic reactions, it is a key second messenger in numerous signaling pathways, it plays an important role in the excitability of nerve and muscle, signal transduction, blood clotting, … [Read more...] about Calcium And Phosphorus Homeostasis Notes
Digestive System Question And Answers
Describe the composition and functions of saliva. Add a note on the regulation of salivary secretion. (or) Regulation of salivary secretion. Answer: Saliva: Saliva Composition: Saliva constitutes of Water-99.5% Solids -0.5% Organic substances: Enzymes: Ptyalin or amylase Lysozyme Kallikerin Lingual lipase Maltase … [Read more...] about Digestive System Question And Answers
Embryology Further Development of Embryonic Disc Essay Question And Answers
Question 1. Formation, functions and fate of notochord. Answer: The notochord is a midline structure, that develops between the cranial end of (he primitive streak and the caudal end of the prochordal plate. Formation: The cranial end of the primitive streak becomes thickened to form primitive knot/node, A depression appears in the centre of it called … [Read more...] about Embryology Further Development of Embryonic Disc Essay Question And Answers
Cellular Organelles
Cellular Organelles Cell. (or) Cellular organelles. Answer: Cellular organelles Definition: Cellular organelles is defined as the structural and functional unit of the living body. Cellular organelles Characteristics: Cell needs nutrition and oxygen Cellular organelles reproduces by meiosis or mitosis. Read And Learn More: BDS Previous Examination … [Read more...] about Cellular Organelles