PPT-AMELOGENESIS According to their function, the life span of the cells of the inner enamel

1 Morphogenic 2 Organizing 3 Formative 4 M aturative 5 Protective and 6 Desmolytic Life cycle of the ameloblasts Since the differentiation of . 1 Flammable gas 22 Nonflammable nontoxic gas 23 Toxic gas 3 Flammable liquid 30 mL 300 mL 30 mL 500 mL 30 mL 1 L 41 Selfreactive substances 41 Other flammable solids 30 g 500 g 30 g 1 kg 42 Pyrophoric substances 42 Spontaneously combustible substance Morphological and biological characteristics of the tooth germ. Teeth have a dual origin:. Ectodermal. ;. Mesodermal. :. Ectomesenchymal. .. Origin of teeth. EPITHELIUM-ECTOMESEMCHYME INTERACTION IN THE TOOTH DEVELOPMENT. Kinocilia. . Simple Columnar Epithelium with . Kinocilia. . (higher magnification). Pseudostratified. Columnar Epithelium with . Stereocilia. . . TISSUE. G. roups of cells which are similar in structure and which perform common or related functions.. There are (4) types of tissue:. 1. Epithelial . 2. Connective. 3. Muscle . 4. Nervous . TERMS TO KNOW. : . Composition. , . Formation. , . and. Structure. Enamel. Enamel has involved as an epithelial derived protective covering for teeth;. The. . cells. . that. . are. . responsible. . for. . formation. Khaleel Alyahya. Monday March 22, 2009. Tissue. There . are only 4 basic types of . tissues. . 1.   Epithelial tissue . 2.   Connective tissue . 3.   Muscular tissue . 4.   Nervous tissue. Epithelium. 4-. 2. Tissue Level of Organization. The classification of tissue types is based on the structure of cells; the composition of noncellular substance surrounding cells (extracellular matrix) and the functions of the cells.. VIBS 289 lab. . . Larry Johnson Texas A&M University. Epithelium - function. Epithelium. forms the . outer protective surface . of the body and . all the glands. 4/24/2013. Ch. 92: Oral Manifestations of Systemic Diseases. Cardiac. Association between heart disease and periodontal disease. Calcium channel blockers .  gingival enlargement. Disturbance in taste  ACE, . The epithelium of ventral side of tongue is made up of stratified squamous epithelium which is keratinized in all species. The dorsal surface of the tongue consist of papillae which are grouped under gustatory and . :. The primitive oral cavity, or . stomodeum. , is lined by stratified squamous epithelium called the . oral ectoderm or primitive oral epithelium. . The oral ectoderm contacts the endoderm of the foregut to form the . M.. Sc. Conservative. Oct \20\2019. 2. Slides 38 & 39 are not required. Teeth are composed of enamel, the pulp–dentin complex, and cementum. enamel. dentin. pulp. cementum. 3. Dentino. -enamel. On the cusps of human molars and premolars the enamel attains a maximum . thickness of about 2 to 2.5mm, . thinning down to almost a knife edge at the neck of the tooth.. It is the . hardest calcified tissue. 1-. . Annual. .. 2-. . Biennial.. 3-. . Perennial. . Plant habitat. It refers to the general environment where plant is growing, these include the following:. 1/. . Terrestial. 2/ Aquatic . Vegetative organs.