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Definition of Primordial Cyst: A Odontogenic cyst developing from the stellate reticulum which is formed in place of a tooth. Etiology: Develops through liquefaction and cystic degeneration of stellate reticulum of enamel organ before any calcified enamel or dentine is formed. Usually it may develop from a normal tooth germ, which may be clinically missing [...]
Definition: Fordyce granules or spots is a collection of sebaceous glands that occur in various locations in the oral cavity. Synonyms: Fordyce Spots, Fordyce Disease Etiology: Inclusion of ectoderm having potentialities of skin in the oral cavity during development of maxilla & mandible- embryonic life Differential Diagnosis: Sebaceous Hyperplasia Epidermoid cyst Dermoid cyst Clinical Features: [...]
Fascial Space is portion of anatomy that is partially or completely walled by fascial membrane. Fascial area are potential areas between layers of fascia. Fascial space areas are filled normally with loose connective tissue which readily breakdown when invaded by infection, leading to large swelling. Fascial space infections are the most common cause of swellings [...]
Some Features of the Muscles of Facial Expression are: Subcutaneous Develop from the Mesoderm of the2nd Branchial arch They are supplied by the facial nerve All of them are inserted into the skin The Muscles which lead to various expressions: Smiling and laughing – Zygomaticus Major Sadness – Levator labii superioris, levator angulioris Grief – [...]
Blood Coagulation Factors are the natural coagulants which maintain the flow of blood in the body and also make sure coagulation takes place in case of any injury. Factor I = Fibrinogen Factor II = Prothrombin Factor III = Tissue Thromboplastin Factor IV = Calcium Factor V = Proaccelerin, Labile factor Factor VI – Accelerin [...]
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