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Oral Anatomy > Lec II - Tongue > Flashcards

Lec II - Tongue Flashcards

1
Q

what is the principal organ of taste

A

tongue

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2
Q

what is the largest singular muscular tissue located at the floor of the oral cavity?

A

tongue

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3
Q

the two divisions of the tongue

A

Dorsal Surface and Ventral Surface

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4
Q

the superior (top) surface of the tongue; the irregular texture of the tongue

A

Dorsal Surface

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5
Q

anterior 2/3 of the dorsal surface of the tongue is called

- the body

A

palatal part

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6
Q

posterior 1/3 of the dorsal surface of the tongue

- the base

A

pharyngeal part

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7
Q
  • inferior (underneath) surface of the tongue

- smooth; shiny and blood vessels and are visible

A

Ventral Surface

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8
Q
  • slight midline groove on the dorsal surface of the tongue
A

Median Sulcus

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9
Q

v-shaped groove separating the base and body

A

Terminal Sulcus

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10
Q
  • a small circular opening immediately posterior to the center of the “V’ formed by the circumvallate papilla
A

Foramen Cecum

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11
Q
  • small raised projections covering the dorsal surface of the tongue where taste buds are located
A

Papillae

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12
Q

What type of Papillae has:

  • V-shaped, anterior to terminal sulcus
  • fewest in number
  • large, flat, mushroom shaped papilla
  • bitter taste
  • found within the posterior end
A

Circumvallate Papillae/vallate

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13
Q

What type of Papillae has:

  • hair-like papilla in the dorsal anterior 2/3 of the tongue
  • conical in microscope, numerous, scattered
  • doesn’t contain taste buds
  • gives the texture of tongue
  • flexible, grayish, thin, velvety
  • degree of keratinization
  • presence of — bacteria
A

Filiform Papillae

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14
Q

What type of Papillae has:

  • small mushroom elevations (hence the name); toadstool
  • scattered in between filiform papillae on either sides and apex of the tongue
  • gives tongue the reddish color
  • sensitive in sweet and salty
  • located at the tip of the tongue
A

Fungiform Papillae

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15
Q

What type of Papillae has:

  • sharp, low, parallel fold at the posterior part of the lateral border of the tongue
  • 3 to 5 on each side
  • sour
A

Foliate Papillae

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16
Q

fold of tissue connecting the tongue to the floor of the mouth at midline

A

Lingual Frenum

17
Q

found on either side of the lingual frenum and is bluish and run length of the tongue

A

LIngual Veins

18
Q

it is irregular scallop folds at the anterior end of the frenum laterally and posteriorly in the inferior surface of the tongue

A

Fimbriated Folds

19
Q
  • also known as taste receptors
  • located in the papillae of the tongue
  • stimulated when food is dissolved
A

Taste Buds

20
Q

Location of taste buds

A
  1. sweet taste - tip of the tongue
  2. salty - anterior sides of the tongue
  3. sour - posterior sides of the tongue
  4. bitter - center posterior section of the tongue
21
Q

secrete most of the saliva

A

Salivary Glands

22
Q

what are the major salivary glands

A
  1. Parotid Gland
  2. Submandibular Gland
  3. Sublingual Gland
23
Q

associated with the Stensen’s Duct

A

Parotid Gland

24
Q

largest of the salivary glands

A

Parotid Gland

25
Q
  • provides 25% of the total salivary volume
  • produce a serous, watery secretion and
  • just lie below and in front of the ear.
A

Parotid Gland

26
Q

second largest that provides 60-80% of the total salivary volume

A

Submandibular Gland

27
Q

second largest that provides 60-80% of the total salivary volume

A

Submandibular Gland

28
Q
  • mixed secretory product both serous and mucous
  • lie on the inside of the mandible in the posterior area
  • They empty saliva into the mouth through Wharton’s Duct, which ends in sublingual caruncles
A

Submandibular Gland

29
Q
  • associated with Bartholin’s Duct
A

Sublingual Gland

30
Q

the smallest of the salivary glands located on the floor of the mouth

A

Sublingual Gland

31
Q
  • provides 10% of the total salivary volume and secretes saliva that is predominantly mucous in character
  • empty directly the mouth through sublingual caruncles by means of ducts of Bartholin
A

Sublingual Gland

32
Q

What are the minor salivary glands and where are they found

A
  1. Labial Glands - found at submucosa of upper and lower lip
  2. Buccal Glands - found at submucosa of cheeks
  3. Palatine Glands - found at submucosa of cheeks
  4. Lingual Glands - inferior surface at the base of tongue
    ‘5. Incisive Glands - floor of oral cavity to the insertion on the lingual frenum behind the mandibular incisors.
33
Q
  • air-filled spaces, communicating with nasal cavity, within the bones of the skull and face.
A

Paranasal Sinuses

34
Q

what are the Subgroups acc to the bones within which the sinuses lie

A
    1. Maxillary sinuses
      1. Frontal Sinuses
      2. Ethmoid Sinuses
      3. Sphenoid Sinuses
35
Q
  • or Antrum of Highmore; cavities within the maxilla,
  • the bone that forms the lower face and upper jaw.
  • the largest of paranasal sinuses
  • pyramidal in shape.
A

Maxillary sinuses

36
Q
  • Over the eyes; in the frontal bone,

- forms the hard part of the forehead.

A

Frontal Sinuses

37
Q
  • Formed from several discrete air cells within the ethmoid bone between the nose and the eyes
A

Ethmoid sinuses

38
Q

In the sphenoid bone at the center of the skull base under the pituitary gland.

A

Sphenoid sinuses

Oral Anatomy (9 decks)

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