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Anatomy Head And Neck > Pharynx > Flashcards

Pharynx Flashcards

1
Q

Pharynx length

A

12cm

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2
Q

Pharynx length

A

12cm

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3
Q

Pharynx

A

Throat

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4
Q

Pharynx divisions

A

Nasopharynx- 3cm wide(from sphenoid to soft palate)
Oropharynx - narrow(from soft palate to epiglottis)
Laryngopharynx - narrowest(epiglottis to cricoid lower border)

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5
Q

Extent of pharynx

A

Below sphenoid and basilar part of occipital bone(front of pharyngeal tubercle) to 6th cervical vertebrae or cricoid cartilage lower border from where it continues as oesophagus

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6
Q

Lateral boundaries of pharynx

A 
Medial plate
Pterygomandibular raphae
Tongue 
Hyoid bone
Mandible
Thyroid and cricoid cartilage
Middle ear 
Styloid process and muscles to it
Common, internal, external carotid arteries and cervical plexus
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7
Q

Communication between nasopharynx and middle ear

A

Pterygotympanic tube

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8
Q

Mucus diverticulum

A

Nasopharyngeal bursa

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9
Q

Lining epithelium of each part

A

Ciliated columnar -nasopharynx

St. Sq. NK - oro and laryngopharynx

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10
Q

Waldeyer’s ring

A

Posterior and uppermost- nasopharyngeal
Lateral and above- tubal tonsils
Tonsillar fossa- palatine tonsil
Below - lingual tonsil

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11
Q

Nasopharyngeal tonsil hypertrophy/ adenoids

A

Mouth breathing

Regress with puberty

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12
Q

Tubal tonsil hypertrophy

A

Middle ear problems

May occlude auditory or pharyngotympanic tube

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13
Q

Nasopharynx lateral wall

A

Tubal elevation
Tubal tonsils
Salpingopharyngeal fold & muscle
Palatopharyngeal fold

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14
Q

Nasopharynx roof

A
  • Nasopharyngeal tonsil
  • Pharyngeal bursa- by notochord adhesion to posterior wall of foregut, have mucus glands
  • Sometimes, pharyngeal hypophysis is present formed by rathke’s pouch backward extension
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15
Q

Laryngeal inlet

A

Epiglottis
Aryepiglottic fold
Arytenoid
Thyroid and cricoid cartilage

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16
Q

Piriform fossa

A

Medially by aryepiglottic fold

Laterally by thyrohyoid membrane

17
Q

Nerve in piriform fossa

A

Internal laryngeal nerve

18
Q

Pharynx structure

A
  • Mucosa
  • Submucosa
  • Pharyngobasilar fascia/ pharyngeal aponeurosis- cover sinus of morgagni superiorly
  • Muscles- outer constrictor or circular, inner longitudinal
  • Buccopharyngeal fasica
19
Q

Superior constrictor

A 
Origin- medial pterygoid plate
             Pterygoid ramulus
             Pterygomandibular raphae
             Mandible
             Tongue
20
Q

Middle constrictor

A

Origin- hyoid greater cornua
Lesser cornua
Stylohyoid ligament

21
Q

Inferior constrictor

A

Origin- thyroid cartilage oblique line

Cricoid cartilage posterior surface

22
Q

Constrictor insertion

A

Median fibrous pharyngeal raphae

23
Q

Sinus of morgagni

A

Space between superior constrictor upper border and base of skull
Have auditory tube, levator veli palitini, ascending palatine artery

24
Q

Between sup. & Middle constrictor

A

Stylopharyngeus muscle & glossopharyngeal nerve

25
Q

Between mid. & Inf. Constrictor

A

Superior laryngeal vessels

Internal laryngeal nerve

26
Q

Killian’s dehiscence

A

Between cricopharyngeus and thyropharyngeus muscle

27
Q

Pharyngeal diverticulum

A

Pharyngeal mucus membrane outpouching from killian dehiscence due to neuromuscular incoordination of thyro & cricopharyngeus muscle

28
Q

Between laryngopharynx and oesophagus

A

Recurrent laryngeal nerve

Inferior laryngeal vessels

29
Q

Longitudinal muscles

A

Stylopharyngeus- from styloid process medial surface
Palatopharyngeus
Salpingopharyngeus
All insert in conjoint tendon at posterior border of thyroid cartilage

30
Q

Quinsy

A

Suppuration in pretonsillar area

31
Q

Haemorrhage check by clot removal

A

Tonsillectomy

Uterus post partum

32
Q

Palatine tonsil develop from

A

Endoderm of second pharyngeal pouch ventral part

Anatomy Head And Neck (3 decks)

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