A | B |
Infra | below |
Supra | above |
Anterior | toward the front |
Posterior | toward the back |
Distal | part that is most remote from a point of reference |
Medial/Mesial | toward the midline |
Lateral | further from the midline |
Apex | point or tip |
Alba | white |
Alveolar | referring to bone that surrounds and supports the teeth |
Bucca | cheek |
Buccal | relating to the cheek |
Fornix | arch |
Frenum | fold of connective tissue |
Labia | lip |
Labial | relating to the lip |
Linea | line |
Lingual | relating to the tongue |
Mental | relating to the chin |
Naso | nose |
Nasal | relating to the nose |
Oral | relating to the mouth |
Plica | fold of tissue |
Raphe | seam of tissue |
Cervical | neck |
Oral vestibule | space between inner surfaces of the lips & cheeks & the facial surfaces of the teeth |
Facial | towards the face |
Oral Cavity Proper | space from the inner surfaces of the teeth to the oropharynx |
Oropharynx | area of the palatine tonsils |
Philtrum | midline depression of skin between the nose & upper lip |
Nasolabial groove/sulcus | depression from the ala of the nose to corner of the lips |
Labial commisure | junction of upper & lower lips at the corners of the mouth |
Vermillion border | line where the skin of the face becomes the lips |
Vermillion zone | colored portion of the lips |
Ala | "wing" of the nose |
Tragus | small bulge anterior to the ear opening |
Medial/lateral canthus of the eye | inner/outer corners of the eye |
Masticatory mucosa | gingiva & hard palate |
Lining mucosa | lips, cheeks, floor of the mouth, ventral tongue, soft palate, alveolar mucosa |
Specialized mucosa | dorsum of tongue |
Free gingiva | unattached, closest to tooth |
Attached gingiva | attached, between free gingiva & alveolar mucosa |
Free gingival groove | depression between free & attached gingiva |
Interdental/pappilary gingiva | fills space between teeth |
Interdental groove | vertical depression on the interdental gingiva |
mucogingival junction | junction of the attached gingiva & alveolar mucosa |
Mucobuccal fold | mucous membranes turn from the alveolar mucosa to the buccal mucosa |
Labial frenum | fold of tissue from lip to alveolar mucosa |
Retromolar pad | triangular pad of tissue posterior to last molar |
Buccal frenum | fold of tissue between alveolar mucosa & buccal mucosa |
Maxillary tuberosity | rounded area of bone posterior to last maxillary molar |
Stenson's pappila(Parotid) | small flap of tissue covering the opening to the parotid (Stenson's) duct |
Linea alba | raised white line on buccal mucosa |
Exostoses | bony growths on the facial surface of alveolar bone |
Pterygomandibular raphe | fold of tissue from retromolar pad toward maxillary tuberosity |
Mucogingival junction | junction of alveolar mucosa & gingiva |
mucobuccal fold | alveolar mucosa turns to become buccal mucosa |
Retromolar pad | triangular pad of tissue posterior to last molar |
Buccal frenum | thin fold of tissue between alveolar mucosa & buccal mucosa |
Bony emminence | raised contour of bone covering roots of the teeth |
Maxillary tuberosity | rounded area of bone posterior to last maxillary molar |
Stenson's papilla/Parotid papilla | flap of tissue on buccal mucosa opposite maxillary first molar, opening for parotid saliva gland |
Linea alba | raised white line on buccal mucosa at level of occlusion |
Exostoses | bony protuberancesw along buccal alveolar bone |
Pterygomandibular raphe | fold of tissue from retromolar pad up to junction of hard & soft palate (area of retromolar pad) |
Palate | roof of the mouth |
Hard palate | anterior 2/3 of the palate |
Soft palate | posterior 1/3 of the palate |
Palatine fovea | 2 small depressions on either side of the midline at the junction of the hard & soft palates |
Palatine torus | excessive bony growth on the palate |
Incisive papilla | midline pad of soft tissue on palate between maxillary central incisors |
Median palatine raphe (suture) | midline seam of tissue extending anterior to posterior along entire hard palate ( may see on soft palate) |
Rugae | firm ridges of tissue on anterior hard palate which extend laterally |
Uvula | posterior projection of soft tissue in middle of the most posterior portion of the soft palate |
Fauces | archway or space between left & right tonsils |
Palatoglossal arch | anterior pillar or fold, arch of tissue anterior to palatine tonsils |
Palatopharyngeal arch | posterior pillar or fold, arch of tissue posterior to palatine tonsils |
Tonsils (palatine) | masses of lymphoid tissue between anterior & posterior pillars |
Tonsils (pharyngeal) | lymphoid tissue found on oropharyngeal walls |
Tonsils (lingual) | lymphoid tissue found on posterior 1/3 of the tongue |
Tongue | muscular organ found in the floor of the mouth |
Median sulcus | midline depression on dorsum of the tongue |
Foramen caecum (cecum) | pit-like depression found in the center at the apex of the terminal sulcus |
Terminal sulcus | V-shaped groove that divides the anterior 2/3 from the posterior 1/3 of the tongue |
Papillae | elevated projections |
Filiform papillae | long thin projections on the anterior 1/3 of the dorsum of the tongue |
Foliate papillae | raised vertical folds or ridges on posterior lateral surface of the tongue (taste) |
Fungiform papillae | mushroom shaped red dots on dorsum & apex of the tongue (taste) |
Circumvallate papillae | 8-10 large round projections anterior to terminal sulcus |
Lingual frenum | elevated fold of tissue that connects the ventral surface of the tongue to the floor of the mouth at the midline |
Plica fimbriata | fold of tissue with finger-like projections found on the ventral surface of the tongue lateral to the lingual veins |
Lingual veins | veins found on either side of the lingual frenum |
Sternocleidomastoid muscle | large neck muscle extending from behind the ear toward the clavicle & sternum |
Lymph nodes | bean-shaped structures that filter lymph & form some white blood vessels |
Sublingual caruncle | round elevation of tissue on floor of the mouth, found on either side of the lingula frenum, openings for saliva ducts |
Sublingual fold | elevated tissue on the floor of the mouth that runs from the sublingual caruncle towards the base of the tongue, openings for saliva glands |
Sublingual salivary glands/Bartholin's glands | bilateral saliva glands in the anterior floor of the mouth |
Submandibular salivary glands/Wharton's glands | bilateral salivary glands found in the posterior floor of the mouth and under the mandible |
Bartholin's duct | carries saliva from the sublingual/Bartholins' gland to the oral cavity,empties into the oral cavity through the sublingual caruncle & sublingual fold |
Wharton's duct | carries saliva from the submandibular/Wharton's gland to the oral cavity & empties through the sublingual caruncle |
Mandibular tori | bony growths on anterior inner surface of the mandible |
Occipital lymph nodes | posterior inferior surface of the occipital bone |
Preauricular lymph nodes | found anterior to the external ear |
Postauricular lymph nodes | located posterior to the external ear |
Submental lymph nodes | under the anterior chin |
Submandibular lymph nodes | under the posterior border of the mandible |
Superficial cervical lymph nodes | on surface of the sternocleidomastoid muscle |
Superior deep cervical lymph nodes | located superior in the neck, deep, both anterior & posterior to the sternocleidomastoid muscle |
Middle deep cervical lymph nodes | located deep in the middle of the neck, both anterior & posterior to the sternocleidomastoid muscle |
Inferior deep cervical lymph nodes | located inferior in the neck, deep, both anterior & posterior to the sternocleidomastoid muscle |
TMJ (temporomandiblular joint) | joint just anterior to the external ear, articulation of the mandible (lower jaw) with the temporal bone |