PRAC.5

Question 1

Answer 1

A. lingualis

• Ex a. carotis externa ex a. carotis communis
• Becomes a. lingualis profundus as it reaches radix linguae
• Runs alongside n. hypoglossus (CN-XII)

Question 2

Answer 2

A. lingualis

• Ex a. carotis externa ex a. carotis communis
• Becomes a. lingualis profundus as it reaches radix linguae
• Runs alongside n. hypoglossus (CN-XII)

Question 3

13

Answer 3

A. lingualis

• Ex a. carotis externa ex a. carotis communis
• Becomes a. lingualis profundus as it reaches radix linguae
• Runs alongside n. hypoglossus (CN-XII)

Question 4

Answer 4

N. hypoglossus (CN-XII)

• Found by transecting m. mylohyoideus
• Runs alongside a. lingualis
• Motor nerve of the tongue

Question 5

Answer 5

N. lingualis

• Ex n. mandibularis (CN-V₃) ex n. trigeminus (CN-V)
• Sensory nerve to the tongue (not taste)

Question 6

Answer 6

N. sublingualis

• Ex n. lingualis
• Runs with d**uctus mandibularis et sublingualis

Question 7

Answer 7

N. mylohyoideus

• Ex n. alveolaris mandibularis ex n. mandibularis (CN-V₃)
• Motor to mylohyoid muscle, rostral digastricus
• Located between mylohyoid and digastricus, sitting on the mandible

Question 8

Answer 8

N. mylohyoideus

• Ex n. alveolaris mandibularis ex n. mandibularis (CN-V₃)
• Motor to mylohyoid muscle, rostral digastricus
• Located between mylohyoid and digastricus, sitting on the mandible

Question 9

Answer 9

N. alveolaris inferior

• Ex n. mandibularis (CN-V₃) ex n. trigeminus (CN-V)
• Follow n. lingualis dorsally, transect mm. digastricus et pterygoidea
• Enters foramen mandibulae

Question 10

Answer 10

M. pterygoideus medialis

Origin: Fossa pterygopalatina

Insertion: Fossa pterygoidea

Action: Grinding movements, close jaw

• To locate, move the digastricus to the lateral side of the mandible

Question 11

Answer 11

M. pterygoideus lateralis

Origin: Os sphenoidale (Laterally)

Insertion: Fovea pterygoidea

Action: Grinding movements, close jaw