Tongue Flashcards

1
Q

The tongue is a unique _____ structure located on the ______ of the _____

A

Muscular
Floor
Oral cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The average length of the tongue is about _____cm and width ____ cm

A

10
3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Functions of the tongue:

A

•Manipulates food for mastication
•Rolling of food to aid swallowing process
•Sensation(taste buds)
•Phonetic articulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name the regions of the tongue:

A

Apex
Body
Root

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

The apex of the tongue is a ____ and _____ _____end(or tip) directed forward against the _______ surfaces of the ______ teeth.

A

Thin
Narrow
Anterior
Lingual
Incisor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The body of the tongue is the ______ of the tongue.

A

Anterior two third

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Root of the tongue is directed _______ (______) and connected with the _____ , ______ and ______

A

Posteriorly
Posterior third
Hyoid bone
Epiglottis
Oropharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

The body and apex of the tongue is extremely _____ while the root is ____.

A

Mobile
Fixed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The _____ and _____ of the tongue is extremely mobile while the _____ is fixed.

A

Body
Apex
Root

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

How many surfaces does the tongue have? Name them

A

Two
Ventral surface
Dorsal surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

The ventral surface is the ____ surface in contact with the _____ of the mouth and can be elevated by a distinct ____ cold called the ______.

A

Smooth
Floor
Vertical
FRENULUM LINGUAE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Role of frenulum linguae:

A

Allows the anterior part of the tongue to move freely.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

The Dorsal surface of the tongue is the ____ _____ surface marked by a _____ which divides it into _______ halves.

A

Superior
Rough
MEDIAN SULCUS
Symmetrical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Dorsum of the tongue is characterized by a ____ shaped groove called ____ which is a _____ groove. The angle of which runs ____ wards from the median ______(___).

A

V
TERMINAL SULCUS
Shallow
Lateral
FORAMEN CAECUM(pit)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Explain the foramen caecum:

A

It is the non-functional remnant of the embryonic thyroglossal duct where the thyroid gland descended from.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The _______ divides the dorsum of the tongue in to anterior part in the ______ and the posterior part in the _____.

A

Terminal sulcus
Oral cavity proper
Oropharynx

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

The dorsum of the anterior 2/3rd contains ______.

A

PAPILLAE

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Define papillae:

A

Small numerous projections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

The posterior 1/3rd of the dorsum contains ____

A

Tonsil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Tonsil are ___ shaped masses of ______ which gives the posterior third of the dorsum an ______ appearance known as _____

A

Oval
Lymphoid nodule
Irregular cobble stone
Lingual tonsil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Papillae of the tongue can be defined as ______/_____ or ______ of _____ membrane.

A

Elevations
Projections
Folds
Mucous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Papillae are distributed over the ______ part of the dorsum of the tongue giving its surface a characteristic ______

A

Anterior
Roughness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

A large number of papillae contain _____ which are receptors used in detecting ____ perception; namely(4)

A

Taste buds
Taste
Salty, sour, bitter and sweet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Types of papillae on the tongue:

A

Circumvallate papillae
Folate papillae
Filiform papillae
Fungiform papillae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Circumvallate papillae run in an _____ ___ pattern and lie directly _____ to the terminal sulcus. They are ___ - ___ in number. They are ___ papillae with ____ tips and ____ bases(____). Each one is surrounded by a ___ groove(____/_____)

A

Inverted V
Anterior
8-12
Large
Broad
Constricted (conical)
Deep ( Trench or valley)

26
Q

Circumvallate papillae are embedded deeply on the tongue and do not project on the surface as the other papillae. They contain ___ taste buds.

A

Many

27
Q

Folate papillae are found ____ to the circumvallate papillae on the two_____ margins. They are ______ or ____ found in humans. Each papillae has _____ taste buds.

A

Anterio-lateral
Lateral
Rudimentary/rarely
Many

28
Q

Filiform papillae are the ____ numerous covering the dorsum. ____, _____ , ____ papillae. They have ___ taste buds.

A

Most
Threadlike, thin, long
No

29
Q

Fungiform papillae are _____-like shaped, ____ papillae. They are ____ but much less frequent than _____. They are found chiefly at the ____ around the ____ and ____.

A

Mushroom
Short
Larger
Filiform papillae
Sides
Tip and apex

30
Q

Fungiform papillae is a_______ connective tissue core giving it a ____ coloration in the living state and ______

A

Highly vascularized
Red
May contain taste buds

31
Q

Taste buds are ____ shaped structures located in the ______ that form the papillae on the _____,_____,____ and ____.

NOTE: taste buds are found within the epithelium of all papillae.

A

Flask
Epithelium
Dorsum of the tongue
Soft palate
Epiglottis
Pharynx

32
Q

Each taste bud is ____ at both ends. It is made up of ___ types of cells, namely;

A

Constricted
Three
•Neuroepithelial taste /Gustatory cells
•Supporting or sustentacular cells
•Basal cells

33
Q

Neuroepithelial taste cells are ____ shaped cells which act as ____ occupying the ____ portion of the bud. The superficial surface is seen with ___ or ____ that project into the taste pore. They have an _____,____ nuclei and it’s based is connected to ____ that give the function of ____

A

Spindle
Chemoreceptors
Central
Hairlets/ microvilli
Enlongated ,Central
Sensory nerve fibres
Carry impulses or taste sensation to the brain(afferent Nerve)

34
Q

Supporting cells are ____,_____ cells which form the ____ of the taste bud

A

Elongated columnar
Outer wall

35
Q

Sustentacular cells form synapses at their base.
True/ False

A

False. They do not form synapses at their base.

36
Q

Basal cells are ____ cells in the ____ portion of tastebuds thought to be ____ ____ for taste cells/undifferentiated or _____ taste cells.

A

Small
Basal
Stem cells
Immature

37
Q

List the structural components of the tongue:

A

Muscles
Epithelium

38
Q

The muscles of the tongue is ____/____. They are connected to _____ at its posterior end.

A

Skeletal/striated
Hyoid bone

39
Q

Name two types of muscles of the tongue:

A

Intrinsic muscles
Extrinsic muscles

40
Q

The intrinsic muscles form the ___ of the tongue. It has _____ muscles on each side of the _____ of the tongue, they originate and insert within the tongue. Function of these muscles:

A

Bulk
Four paired
Median septum
They alter the shape of the tongue by lengthening, shortening, curling,uncurling, flattening and rounding

41
Q

Intrinsic muscles are named according to how they travel.
True/False

A

True

42
Q

Superior longitudinal runs ____ along the ____ surface of the tongue under the mucous membrane from the median septum near the ____and ____ to the margins of the tongue.

A

Anterio-posteriorly
Superior
Epiglottis
Hyoid bone

43
Q

Inferior longitudinal run from the ___ to the ____ of the tongue ____ the superior longitudinal muscle.

A

Root
Apex
Below

44
Q

Verticalis is found in the ___ of the tongue and joins ____ and ___

A

Middle
Superior and inferior longitudinal musvks

45
Q

Transversus arises from the ______ to the ____ of the tongue.

A

Median fibrous septum
Sides

46
Q

The tongue is lined or covered by ______ epithelium

A

Stratified squamous

47
Q

Extrinsic muscle are ____ muscles which originates from structures _____ the tongue(anchored to bone) and age inserted into the tongue.

A

Four paired
Outside

48
Q

Function of extrinsic muscle:

A

Change the position of the tongue by protruding, retracting, depressing and elevating

49
Q

______ connected the tongue with the mandible

A

Genioglossus

50
Q

Hyoglossus arises from the ____ and ____ of the ____ to enter the ____ is the tongue.

A

Body
Greater Cornu
Hyoid bone
Sides

51
Q

_______ arises from the styloid process of the temporal bone to the ___ of the tongue

A

Styloglossus
Surface

52
Q

____ connects the tongue to the ___ palate

A

Palatoglossus
Soft palate

53
Q

Blood supply of tongue:
Primary supply:
Secondary supply:

A

Lingual Artery from external carotid artery
Tonsillar branches of the facial artery and the ascending pharyngeal artery

54
Q

Drainage of tongue:

A

Lingual veins which drain into INTERNAL JUGULAR VEIN

55
Q

Nerve supply of tongue:
(General Sensory innervation)

A

Anterior 2/3rd: Lingual Nerve of V3
Posterior 1/3rd: Glossopharyngeal Nerve

56
Q

Nerve supply to tongue:
(Special sensory for taste)

A

Anterior 2/3rd: Chorda tympani branch of facial Nerve
Posterior 1/3rd: Glossopharyngeal Nerve

57
Q

Motor innervation:.

A

Hypoglossal Nerve supplies all intrinsic and extrinsic muscle except Palatoglossus

58
Q

Palatoglossus muscle is innervated by:

A

Vagus Nerve CN X

59
Q

Applied anatomy:

A

Gag reflex
Ankyloglossia
Paralysis of genioglossus
Macroglossia
Microglossia

60
Q

Surgical removal of the part of tongue is _____ and used for treatment of _____

A

Partial glossectomy
Macroglossia