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Oral Embro & Histo

CH 8 - Oral Embryology and Histology

QuestionAnswer
Term for the highest point of the alveolar ridge. Alveolar Crest
The cavity within the alveolar process that surrounds the root of a tooth. Alveolar Socket
Term for the cells that form enamel. Ameloblasts
Portion of the tooth that is covered with enamel. Anatomical Crown
Term for the tapered end of each root tip. Apex
Term for the natural opening in the root. Apical Foramen
Term for the cells that form ameloblasts. Cementoblasts
Term for the cells that resorb cementum. Cementoclasts
The specialized, calcified connective tissue that covers the anatomic root of a tooth. Cementum
Term for the portion of the tooth that is visible in the oral cavity. Clinical Crown
Term for the union of the male sperm and the female ovum. Conception
Term for the part that lies within the crown portion of the tooth. Coronal Pulp
Term for the dense outer covering of spongy bone that makes up the central part of the alveolar process. Cortical Plate
The thickened band of oral epithelium that follows the curve of each developing arch. Dental Lamina
Term for the gingivae between the teeth. Dental Papilla
Term for the connective tissue that envelops the developing tooth. Dental Sac
Term for the hard portion of the root that surrounds the pulp and is covered by enamel on the crown and by cementum on the root. Dentin
Term for the fibers found in dental tubules. Dentinal Fibers
Term for the microscopic canals found in dentin. Dentinal Tubules
The process by which the body adds new bone. Depostion
An organism in the earliest stages of development. Embryo
The study of prenatal development. Embryology
The stage of human development that occurs from the beginning of the second week to the end of the 8th week. Embryonic Period
Term for the thin, leaflike structures that extend from the enamel surface toward the detinoenamel junction (DEJ); consisting of organic material with little mineral content. Enamel Lamellae
Term for the part of a developing tooth destined to produce enamel. Enamel Organ
Term for the ends of odontoblasts that extend across the DEJ a short distance into the enamel. Enamel Spindles
Term for the hypocalcified or uncalcified ends of groups of enamel prisms that start at the DEJ and may extend to the inner third of the enamel. Enamel Tufts
Term for the normal process of shedding the primary teeth. Exfoliation
The stage of human development that starts at the beginning of the 9th week and ends at birth. Fetal Period
Term for an embryonic human from 2 months after conception to birth. Fetus
Term for the type of cell in connective tissue responsible for the formation of the intercellular substance of pulp. Fibroblasts
Term for the 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
Name given for the alternating light and dark bans in the enamel that are produced when enamel prisms intertwine or change direction. Hunter-Schreger Bands
Term for the mineral compound that is the principal inorganic component of bone and teeth. Hydroxyapatite
Term for the 2nd 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; AKA cribriform plate Lamina Dura
Mucous membrane that lines the inside of the cheeks, vestibule, lips, soft palate, and underside of the tongue. Lining Mucosa
Created by: ChasHealthDental
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