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Digestive System In The Head And Neck > Pharynx And Esophagus > Flashcards

Pharynx And Esophagus Flashcards

1
Q

situated behind the nasal cavities, the mouth, and the larynx

A

Pharynx

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2
Q

Three parts of pharynx

A

Nasopharynx, oropharynx and laryngopharynx

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3
Q

___is funnel shaped; its upper, wider end lies under the base of the skull; its lower, narrow end is continuous with the esophagus opposite the ____

A

Pharynx, Sixth cervical vertebra

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4
Q

The pharynx is also continuous with the tympanic cavity via

A

Auditory tube

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5
Q

lies above the soft palate and behind the nasal cavities.

A

Nasopharynx (nasal pharynx)

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6
Q

A collection of lymphoid tissue, the _____, sits in the submucosa of the roof

A

Pharyngeal tonsil

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7
Q

The ______ is the opening in the floor between the soft palate and the posterior pharyngeal wall.

A

Pharyngeal isthmus

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8
Q

The elevated ridge that caps the opening is the

A

Tubal elevation

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9
Q

is a depression in the pharyngeal wall behind the tubal elevation.

A

Pharyngeal recess

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10
Q

is a vertical fold of mucous membrane covering the salpingopharyngeus muscle. This extends downward from the tubal elevation, behind the auditory tube.

A

Salphingopharyngeal fold

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11
Q

lies behind the oral cavity. The floor is the posterior one third of the tongue and the interval between the tongue and epiglottis

A

Oropharynx (oral pharynx)

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12
Q

Midline of oropharynx and lateral to the side

A

Median Glossoepiglotic fold
Lateral glossoepiglotic fold

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13
Q

The depression on each side of the median glossoepiglottic fold is the

A

Vallecula

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14
Q

a fold of mucous membrane covering the palatoglossus muscle.

A

Palatoglossal arch

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15
Q

The interval between the paired palatoglossal arches is called the ____ and marks the boundary between the mouth and pharynx.

A

Oropharyngeal isthmus

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16
Q

occupies the recess between the palatoglossal and palatopharyngeal arches.

A

Palatine tonsil

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17
Q

lies behind the opening into the larynx. The thyroid cartilage and the thyrohyoid membrane form the lateral wall.

A

Laryngopharynx (laryngeal pharynx)

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18
Q

is a depression in the mucous membrane on each side of the laryngeal inlet

A

Piriform fossa

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19
Q

Pharyngeal mucous membrane sensory nerve supply
Nasopharynx: ?
Oropharynx: ?
Laryngopharynx: ?

A

N: maxillary nerve
O: glossopharyngeal nerve
L: internal laryngeal branch of vagus nerve

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20
Q

Pharyngeal blood supply

A

Ascending pharyngeal,
tonsillar branches of facial arteries,
and
branches of the maxillary and lingual arteries

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21
Q

Muscles in the wall of the pharynx are?

A

Superior, middle, inferior constrictor muscle (circular)
Stylopharyngeus and salpingopharyngeus m (longitudinal direction)

22
Q

The lower part of the inferior constrictor, which arises from the cricoid cartilage, is called the

A

Cricopharyngeus muscle

23
Q

the area on the posterior pharyngeal wall between the upper propulsive part of the inferior constrictor and the lower sphincteric part, the cricopharyngeus.

A

Killian dehiscence

24
Q

What are the 7 pharynx muscles

A

Superior, inferior, middle constrictor
Cricopharyngeus
Stylopharyngeus
Salphingopharyngeus
Palatopharyngeus

25
Q

Oina of superior constrictor

A

Medial pertygoid plate, pterygoid hamukus, pterygomandibular ligament, mylohyoid line

Pharyngel tubercle of the occipital bone, raphe in midline pesteriorly

Pharyngel plexus (vagus)

Aids soft palate in closing off nasal pharynx, propels bolus downward

26
Q

Oina of middle constrictor

A

Lower part of stylohyoid ligament, lesser and greater cornu of hyoid bone

Pharyngeal raphe

Pharyngeal plexus (vagus)

Propels bogus downward

27
Q

Oina of inferior constrictor

A

Lamina of thyroid cartilage, cricoid cartilage

Pharyngeal raphe

Pharyngeal plexus (vagus)

Propels bogus downward

28
Q

Oina of cricopharyngeus

A

Lowest fibers of inferior constrictor muscle

-

-

Sphincter at lower end of the pharynx

29
Q

Oina of stylopharyngeus

A

Styloid process of the temporal bone

Posterior border of the thyroid cartilage

Glossopharyngeal nerve

Elevates the larynx during swallowing

30
Q

Oina of salpingopharyngeus

A

Auditory tube

Blends with palatopharyngeus

Pharyngeal plexus (vagus)

Elevates pharynx

31
Q

Oina of palatopharyngeus

A

Palatine aponeurosis

Posterior border of the thyroid cartilage

Pharyngeal plexus (vagus)

Elevates wall of pharynx, pulls palatopharyngeal arch medially

32
Q

Masticated food is formed into a ball or bolus on the ____ of the tongue and voluntarily pushed __ and ___ against the undersurface of the ___ palate.

A

Dorsum , upward and downward, hard

33
Q

Swallowing is brought by the contraction of the __ on both sides

A

Styloglossus

34
Q

M that squeezes the bolus backward into the pharynx

A

Palatoglossus

35
Q

Prevents passage of food and drink into the nasal cavity

A

Shutting off the oral part of the pharynx by elevating the soft palate

pulling forward of the posterior wall of the pharynx by the upper fibers of the superior constrictor muscle

Contraction of the palatopharyngeus M

36
Q

Contraction of the laryngeal part of the pharynx are ?

A

Stylopharyngeus M
Salpingopharyngeus M
Thyrohyoid M
Palatopharyngeus M

37
Q

The food (digestive system) and air (respiratory system) pathways cross in the

A

Pharynx

38
Q

Pharyngeal lymph drainage

A

Deep cervical nodes or indirectly via retropharyngeal or pretracheal nodes into the dcv

39
Q

Important tonsils of pharynx

A

Palatine tonsils
Pharyngeal tonsils

40
Q

are two masses of lymphoid tissue, each located in the depression on the lateral wall of the oropharynx between the palatoglossal and palatopharyngeal arches

A

Palatine tonsil

41
Q

The surface of palatine tonsils is pitted by numerous small openings that lead into the

A

Tonsillar crypts

42
Q

The palatine tonsil is covered on its lateral surface by a fibrous _ The capsule is separated from the superior constrictor muscle by _ and the __ vein descends from the soft palate in this tissue to join the pharyngeal venous plexus.

A

Tonsillar capsule, loose areolar tissue, external palatine vein

43
Q

Palatine tonsil reaches its maximum size during __, but after, it diminished in size

A

Early childhood

44
Q

Blood supply of palatine tonsil

A

Tonsilar branch of facial A.

The veins pierce the superior constrictor muscle and join the external palatine, the pharyngeal, or the facial veins.

45
Q

Tonsil lymph drainage

A

Upper deep cervical lymph node, below and behind the angle of the mandible

46
Q

The lymphoid tissue that surrounds the opening into the respiratory and digestive systems forms a ring.

A

Waldeyer’s ring of lymphoid tissue

47
Q

is a muscular tube about 10 in. (25 cm) long, extending from the pharynx to the stomach

A

Esophagus

48
Q

Esophagus begins at the level of __, opposite the body of the sixth cervical vertebra

A

Cricoid cartilage

49
Q

RELATIONS OF ESOPHAGUS IN THE NECK:
Ant
Pos
Lat

A

Ant: Trachea; the recurrent laryngeal nerves ascend one on each side, in the groove between the trachea and the esophagus

Post: Prevertebral layer of deep cervical fascia, the longus colli, and the vertebral column.

Laterally: On each side lie the lobe of the thyroid gland and the carotid sheath.

50
Q

Blood supply in the neck

A

Inferior thyroid Aa supply the esophagus in the neck
Drains into the inferior thyroid veins

51
Q

Lymph drainage in the neck in esophagus

A

Deep cervical lymph node

52
Q

Nerve supply in the neck in esophagus

A

The recurrent laryngeal nerves and the sympathetic trunks supply the esophagus in the neck.

Digestive System In The Head And Neck (3 decks)

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