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oral embry/hist
chapter 8
| Question | Answer |
|---|---|
| highest point of the alveolar ridge | alveolar crest |
| cavity within the alveolar process that surrounds the root of a tooth | alveolar socket |
| cells that form enamel | ameloblasts |
| portion of the tooth that is covered with enamel | anatomic crown |
| tapered end of each root tip | apex |
| natural opening in the root | apical foramen |
| cells that form cementum | cementoblasts |
| cells that resorb cementum | cementoclasts |
| specialized calcified connective tissue that covers the anatomic root of a tooth | cementum |
| that portion of the tooth that is visible in the oral cavity | clinical crown |
| union of the male sperm and the female ovum | conception |
| part that lies within the crown portion of the tooth | coronal pulp |
| dense outer covering of spongy bone that makes up the central part of the alveolar process | cortical plate |
| thickened band of oral epithelium that follows the curve of each developing arch | dental lamina |
| gingivae between the teeth | denal papilla |
| connective tissue that envelops the developing tooth | dental sac |
| hard portion of the root that surrounds the pulp and is covered by enamel on the crown and by cememtum on the root | dentin |
| fibers found in dentinal tubules | dentinal fiber |
| microscopic canals found in dentin | dentinal tubules |
| the process by which the body adds new bone | deposition |
| an organism in the earliest stages of development | embryo |
| the study of prenatal development | embryology |
| stage of human development tha toccurs from the beginning of the second week to the end of the eighth week | embryonic period |
| thin leaflike structures that extend from the enamel surface toward the detinoenamel junction and consist of organic material with little mineral content | enamel lamellae |
| part of a developing tooth destined to produce enamel | enamel organ |
| the ends of odontoblasts that extend across the detinoenamel junction a short distance inot the enamel | enamel spindles |
| the hypocalcified or uncalcified ends of groups of enamel prisms that start at the detinonamel junction and may extend to the inner third of the enamel | enamel tufts |
| the normal process of shedding the primary teeth | exfoliation |
| stage of human development that starts at the beginning of the ninth week and ends at birth | fetal period |
| type of cell in connective tissue responsible for the formation of the intercellular substance of pulp | fibroblast |
| stage of human development that starts at fertilization and ends at birth | gestation |
| the study of the structure and function of body tissues on a microscopic level | histology |
| alternating light and dark bands in the enamel that are produced when enamel prisms intertwine or change direction | hunter - Schreger bands |
| mineral compound that is the principal inorganic component of bone and teeth | hydroxyapatite |
| the second brachial arch which forms the styloid process stapes of the ear stylohyoid ligament and part of the hyoid bone | hyoid arch |
| thin compact bone that lines the alveolar socket also know as the cribform plate | lamina dura |
| mucous membrane that covers the inside of the cheeks vestibule lips soft palate and undeside of the tongue and acts as a cushion for underlying structures | lining mucosa |
| the lower jaw | mandibular arch |
| oral mucousa that covers the hard palate dorsum of the tongue and gingiva | masticatory mucousa |
| reproductive cell production that ensures the correct number of chromosomes | meiosis |
| bone changes that involve deposition and resorption of bone and occur along articulations as they increase in size and shape to keep up with the growht of the surrounding tissues also known as displacement | modeling |
| cells that form dentin | odontoblasts |
| formation of new teeth | odontogenesis |
| cells that form bone | osteoblasts |
| cells that resorb bone | osteoclasts |
| structures that surround suport and are attached to the teeth | periodontium |
| stage of development that occurs during the first week after fertilization | preimplantation period |
| stage of human development that starts at pregnancy and ends at birth | prenatal development |
| cementum that covers the root of the tooth and is formed outward from the cementodentinal junction for the full length of the root | primary cementum |
| dentin that forms before eruption and that makes up the bulk of the tooth | primary dentin |
| the shelf that spearates the oral and nasal cavities | primary palate |
| a calcified column or rod | prism |
| the space occupied by pulp | pulp chamber |
| the other portion of pulp known as root pulp | radicular pulp |
| growth and change in shape of existing bone that involves deposition and resorption of bone | remodeling |
| the body's processes of elimination existing bone or hard tissue structure | resorption |
| cementum that is formed on the apical half of the root also known as cellular cementum | secondary cementum |
| dentin that forms after eruption and continues at a very slow rate throughout the life of the tooth | secondary dentin |
| the final palate formed during embryonic development | secondary palate |
| mucous membrane onth etongue in the form of lingual papillae which are structures associated with sensations of taste | specialized mucosa |
| the primitive mouth | stomodeum |
| layers of flat formed epithelium | stratified squamous epithelium |
| incremental rings that represent variations in deposition of the enamel matrix during tooth formation | striae of retzuis |
| permanent teeth that replace primary teeth | succadaneous |
| dentin that forms in response to irritation and appears as a lo;calized deposit on the wall of the pulp chamner also know as reparative dentin | tertiary dentin |
| enlargements produced by the formation of dental lamina | tooth buds |
| fertilized edd | zygote |
Created by:
cynthia.fryer
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