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Anatomy (TOPNOTCH SUPPLEMENT) > TONGUE > Flashcards

Flashcards in TONGUE Deck (18):
1

Divisble into right and left halves by:

Median groove / median sulcus

2

Tongue is attached to

Styloid process and soft palate above

Mandible

Hyoid bone below

3

Parts and surfaces of the tongue

ROOT - inferior, relatively fixed part attached to hyoid and mandible; posterior 3rd

BODY - anterior 3rd

APEX - pointed anterior

DORSUM

INFERIOR

4

Mucous membrane of the tongue

UPPER SURFACE - divided into anterior (oral) and posterior (pharyngeal) parts - V SHAPED SULCUS - SULCUS TERMINALIS

APEX projects backward and is marked by a small pit - FORAMEN CECUM

3 types of PAPILLAE present on the upper suface of anterior 2/3 - FILIFORM, FUNGIFORM and VALLATE

POST 1/3 - DEVOID PAPILLAE but has a nodular irregular surface - LINGUAK TONSIL

5

Lingual papillae

Vallate

Filiform

Fungiform

Foliate

6

large and flat-topped

Lie directly anterior ro the terminal sulcus

Vallate

7

Long and numerous

Contanin afferent nerve endings that are sensitive to touch

Filiform

8

Mushroom shaped

Most numerous at the apex and sides

Fungiform

9

Small lateral folds of the lingual mucosa

Poorly developed in humans

Foliate

10

Intrinsic muscles of the tongue

Innervated by HYPOGLOSSAL NERVE (CN XII)

Superior and inferior longitudinal

Transverse

Vertical

11

Extrinsic muscles of the tongue

Alter the POSITION of the tongue

Innervated by HYPOGLOSSAL NERVE EXCEPT PALATOGLOSSUS by vagus nerve

12

Muscles of the tongue

PALATOGLOSSUS - elevation

STYLOGLOSSUS - retraction

HYOGLOSSUS - depression

GENIOGLOSSUS - protrusion

13

Mobile, muscular organ

Involved with MASTICATION, GUSTATION, DEGLUTITION, ARTICULATION, ORAL CLEANSING

Mass of STRIATED MUSCLE covered with mucous membrane

ANTERIOR 2/3 - mouth
POSTERIOR 1/3 - pharynx


Tongue

14

Nerv supply of muscle of tongue

CN 12 EXCEPT PALATOGLOSSUS (CN 10)

15

Nerve supply mucous membrane of tongue

Anterior 2/3 by CN V

Posterior 1/3 by CN IX

16

Nerve supply tase buds of tongue

Anterior 2/3 by CN VII

Posterior 1/3 by CN IX

17

Blood vessels of the tongue

Lingual artery from external carotid artery

DORSAL LINGUAL
DEEP LINGUAL
SUBLINGUAL

LINGUAL VEIN drains into the internal jugular vein

18

Lymph drainage of the tongue

POSTERIOR 3rd - superior deep cervical LN

MEDIAL PART OF ANTERIOR 2/3 - inferior deep cervical LN

LATERAL OF ANTERIOR 2/3 - submandibular LN

APEX - submental LN