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Oral cavity pharynx PowerPoint Presentation

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Description : Check out this medical presentation on Oral Cavity, which is titled "Oral cavity, pharynx", to know about the oral cavity and pharynx.

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Published on : Jul 01, 2021 | Views : 2310 | Downloads : 7

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Slide 1-

Oral cavity, pharynx Dr. L. Kiss Anna Department of Anatomy, Histology and Embryology Semmelweis University
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Parts of the body
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Regions Th12/L1
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Regions
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Supra-and infrahyoid muscles
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Cervical trigone Submental trigone Submandibular trigone Carotid trigone Omoclavicular trigone
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Cervical trigone Submental trigone: lymph nodes Submandibular trigone: submandibular gland lateral groove of the tongue (nerves) Carotid trigone: carotid sheath (common carotid artery internal jugular vein vagus nerve) Supraclavicular tigone: 2 parts: omotrapezoid trigone: cervical plexus omoclaviculer trigone: brachial plexus subclavian art. apex of the lung
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Cervical trigones carotid trigone omoclavicular trigone: brachial plexus subclavial art. and vein. apex of the lung
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Oral cavity: Anterior border: lips Roof: hard and soft palate Floor: mylohyoid muscle Lateral border: cheeks (buccinator muscle) Isthmus faucium: exit toward the pharynx 2 parts: oral cavity proper+vestibulum Vestibulum: slitlike space between the lips, cheeks and teeth Oral cavity proper: tongue teeth salivary glands
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tongue uvula arcus palatoglossus arcus palatopharyngeus * * *: tonsilla palatina
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hard palate soft palate uvula
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Teeth
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dentes decidui dentes permanentes dentes permanentes Teeth
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incisive canine praemolars molars Dentes permanentes
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bone gingiva crown (corona dentis) pulp (pulpa) root (radix) neck
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enamel dentine cementum periodontum
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Innervation of the teeth Trigeminal ganglion Maxillary nerve Inf. alveolar nerve (mandibular n.)
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Tongue root sulcus terminalis apex palatine tonsil palatine tonsil lingual tonsils circumvallate papillae foliate papillae fungiform papillae filiform papillae
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Taste sensation green: bitter blue: sour red: salty orange: sweet
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Innervation of the tongue Sensory innervation: general: lingual n. (V./3) – anterior 2/3 glossopharyngeal n. (IX.) – posterior 1/3 vagus n. (X.) – the most posterior part taste: chorda tympani (VII.) – anterior 2/3 glossopharyngeal n.(IX.) – posterior 1/3 Motory innervation: hypoglossal n. (XII.)
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Salivary glands I. parotis parotid duct Opens: vestibule, upper row of the teeth (2nd molar)
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Salivary glands II. parotis submandibular gland
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Sublingual region frenulum of the tongue sublingual gland
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Salivary glands III. mandible submandibular gland sublingual gland root of the tongue duct of the submandibular gland
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Pharynx nasopharynx oropharynx laryngopharynx tongue soft palate epiglottis
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Waldeyer’s lymphatic ring tonsilla pharyngea tonsillae tubariae tonsilla palatina tonsilla lingualis Tonsils present in the ishtmus faucium:
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Muscles of the pharynx: elevators stylopharyngeal m. salpingopharyngeal m. palatopharyngeal m.
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Muscles of the pharynx: constrictors
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Pharynx uvula root of the tongue epiglottis piriform recess
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Esophagus 1.) p. cervicalis: 6. cervical vertebra, lower surface of the cricoid cartilage 2.) p. thoracalis: post. mediastinum hiatus esophageus (10. thoracal vertebra) 3.) p. abdominalis
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Esophagus
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Esophagus Physiological narrowing of the esophagus: A.) 15 cm from the teeth row: pharynx-esophagus transition – cricoid cartilage B.) 24 cm from the teeth row: aortic arch, left principal bronchus C.) 40 cm from the teeth row: at the cardia (sphincter)