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Anatomy 3 Final Muscles > Muscles of the Oesophagus and Pharynx > Flashcards

Muscles of the Oesophagus and Pharynx Flashcards

1
Q

Muscles of the Oesophagus

A
  1. M.Esophagus Longitudinalis Dorsalis (ru+eq)
  2. M. Esophageus lateralis
  3. M. Esophageus ventralis
  4. M. Bronchoesophageus
  5. M. Plauroesophageus
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2
Q

Constrictors of the Esophagus

A
  1. Istmus Oesophagei
  2. Istmus Thoracalis
  3. Diaphragmatic Istmus
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3
Q

Constrictors of the Esophagus

1. Istmus Oesophagei

A

Above Larynx

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4
Q

Constrictors of the Esophagus

2. Istmus Thoracalis

A

At the level of C2

  • Passes dorsally to trachea
  • Esophagus moves from LEFT side of TRACHEA to ABOVE the TRACHEA
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5
Q

Constrictors of the Esophagus

3. Diaphragmatic Istmus

A

= The ESOPHAGEAL HIATUS

- Where it passes through the diaphragma in the posterior MEDIASTINUM

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6
Q

Pharyngeal Muscles

A 
Devided into:
1. Rostral
2. Medial 
3. Caudal
Mostly constricor muscles
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7
Q

Rostral Pharyngeal Muscles

A
  • 4
    1. M.Pterygopharyngeus
    2. M.Palatopharyngeus
    3. M. Stylopharyngeus Rostralis
    4. M. Stylopharyngeus CAUDALIS (DILATOR)
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8
Q

Medial Pharyngeal Muscles

A
  • 2
    1. M. Ceratopharyngeus
    2. M. Chondropharyngeus
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9
Q

Caudal Pharyngeal muscles

A
  • 2
    1. M. Thyropharyngeus
    2. M. Cricopharyngeus
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10
Q

Rostral Pharyngeal Muscles

M. PTERYGOPHARYNGEUS

A 
O: Os Pterygoideum, 
apponeurosis Palatina (not eq)

I: Raphe Pharyngis

A: SPHINCTER

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11
Q

Rostral Pharyngeal Muscles

M. PALATOPHARYNGEUS

A

O: Os Palatinum and Os Pterygoideum
I: Raphe Pharyngis
A: SPHINCTER

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12
Q

Rostral Pharyngeal Muscles

M. STYLOPHARYNGEUS Rostralis

A

O: Distal half of OS STYLOIDEUM
I: Raphe Pharyngis (occurs in ru)
A: SPHINCTER

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13
Q

Rostral Pharyngeal Muscles

M. STYLOPHARYNGEUS CAUDALIS

A

O: Proximal half of OS Styloideum
I: WALL of PHARYNX
A: DILATOR

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14
Q

Medial Muscles of the Pharynx

M.CERATOPHARYNGEUS

A

O: CERATOHYOIDEUM
A: SPHINCTER

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15
Q

Medial Muscles of the Pharynx

M. CHONDROPHARYNGEUS

A

O: THYROIDEUM
I: Raphe Pharyngis
A: SPHINCTER

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16
Q

Caudal muscles of the Pharynx

M. THYROPHARYNGEUS

A

O: LINEA OBLIQUA of THYROID CARTILLAGE
I: Raphe Pharyngis
A: SPHINCTER

17
Q

Caudal muscles of the Pharynx

M. CRICOPHARYNGEUS

A

O: Cricoid Cartilage
I: Raphe Pharyngis
A: SPHINCTER

Anatomy 3 Final Muscles (23 decks)

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