Labial mucosa

Aka: Labial mucosa, Buccal mucosa, Masticatory Mucosa, Movable Mucosa, Oral Mucosa

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II. Types

  1. Masticatory Mucosa (bears greatest friction)
    1. Appearance
      1. Highly keratinized and firm
      2. Stippled and pale
    2. Covers
      1. Hard Palate
      2. Tooth-bearing Gingiva (abuts)
      3. Dorsal Tongue surface
  2. Movable Mucosa (Non-masticatory)
    1. Appearance
      1. Thin, less keratinized than Masticatory Mucosa
    2. Covers
      1. Lips (abuts)
      2. Buccal mucosa
      3. Floor of mouth
      4. Vestibules
      5. Soft Palate
      6. Peri-Tonsillar Pillars
      7. Lateral and ventral Tongue

III. Exam

  1. Observe color and texture
  2. Palpate for Nodules

IV. Findings: Normal and variants

  1. Linea Alba of Buccal Mucosa
  2. Leukoedema
  3. Parotid Papilla (Stensen's Duct opening)
  4. Ectopic Sebaceous Glands (Fordyce's Granules)

V. Findings: Pathologic

  1. Lichen Planus of Buccal Mucosa
  2. Leukoplakia
  3. Oral Ulcers
    1. Traumatic
    2. Aphthous Ulcer (Canker Sore)
    3. Herpes Gingivostomatitis
  4. Mucosal Pallor
    1. Anemia

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Related Studies

Ontology: Structure of mucous membrane of lip (C0226927)

Definition (NCI) The inner lining of the lips.
Definition (NCI_CDISC) The lining of the fleshy folds surrounding the mouth. It is comprised of the epithelium, basement membrane, lamina propria mucosae, and lamina muscularis mucosae. (NCI)
Definition (NCI_NCI-GLOSS) The inner lining of the lips.
Definition (NCI) The lining of the fleshy folds surrounding the mouth. It is comprised of the epithelium, basement membrane, lamina propria mucosae, and lamina muscularis mucosae.
Concepts Body Part, Organ, or Organ Component (T023)
SnomedCT 59641005
English Labial Mucosa, lip mucosa, labial mucosa, lips mucosa, lip membranes mucous, Non-Hair Bearing Lip, MUCOSA OF THE LIP, Mucosa of lip, Mucous membrane of lip, Labial mucosa, Structure of mucous membrane of lip (body structure), Structure of mucous membrane of lip, Inner aspect of lip, Mucosa of lip, NOS, Mucous membrane of lip, NOS, Mucosa of the Lip, Mucosa of Lip
Spanish cara interna del labio, estructura de la mucosa labial (estructura corporal), estructura de la mucosa labial, membrana mucosa del labio, mucosa labial
Derived from the NIH UMLS (Unified Medical Language System)

Ontology: Buccal mucosa (C1578559)

Definition (NCI_NCI-GLOSS) The inner lining of the cheeks.
Definition (NCI) The mucosal membranes located on the inside of the cheek, in the buccal cavity.
Definition (NCI_CDISC) The mucosal membranes located on the inside of the cheek, in the buccal cavity. (NCI)
Definition (MSH) Lining of the inner surface of the cheeks.
Concepts Body Part, Organ, or Organ Component (T023)
MSH D009061
SnomedCT 16811007, 113277000
LNC LP31810-2
Spanish Mucosa de la Boca, mucosa del carrillo, mucosa yugal (estructura corporal), mucosa del carrillo (estructura corporal), mucosa yugal, carrillo
French Muqueuse buccale
German Wangenschleimhaut
Italian Mucosa buccale
English cheek mucosa, mucosa buccal, MUCOSA, BUCCAL, buccal mucosa, Cheek mucosa, Internal cheek, Intraoral surface of cheek, Buccal mucosa (body structure), Buccal mucosa, NOS, Buccal Mucosa, Buccal mucosa
Czech bukální sliznice
Norwegian Kinnslimhinne
Derived from the NIH UMLS (Unified Medical Language System)

Related Topics in Examination

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