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The Muscles of Facial Expression These lie in the subcutaneous tissue and are attached to the skin of the face. They enable us to move our skin and change our facial expression. They produce their effects by pulling on the skin but do not move the facial skeleton. These muscles surround the facial orifices and act as sphincters and dilators. All facial muscles receive their innervation from the branches of the facial nerve (CN VII)-temporal, zygomatic, b…
Eosinophilia: Causes -Allergic disorders. -Parasitic infection. -Skin diseases. -Pulmonary eosinophilia. -Myeloproliferative lesions and Hodgkin's disease.
Paroxysmal nocturnal haemoglobinuria (PNH). Feature: Acquired RBC rnembrane defect rendering it susceptible to complement lysis. Features of intravascular haemolysis. Blood picture of haemolysis anemais with pancytopenia. Ham’s acid serum test (lysis at 37COin acid pH) + ve…
Formation and Eruption of Deciduous Teeth. -Calcification begins during the fourth month of fetal life. By the end of the sixth month, all of the deciduous teeth have begun calcification. -By the time the deciduous teeth have fully erupted (two to two and one half years of age), cacification of the crowns of permanent teeth is under way. First permanent molars have begun cacification at the time of birth. -Here are some things to know about eruption patterns:…
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NEET MDS