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Flashcards in Lect 1 Deck (30):
1

derivatives of pharyngeal arch 1

trigeminal nerve, muscles of mastication, malleus and incus

2

derivatives of phayngeal arch 2

facial nerve, muscles of facial expression, stapes, mandible

3

derivatives of pharyngeal arch 3

glossophayngeal nerve, stylopharyngeus muscle, top of hyoid

4

derivatives of arch 4 and 6

vagus nerve, constrictors of the pharynx, thryoid cricoid aretynoid etc cartilage

5

2 parts of skull

neurocranium = (calvaria) skull cap and (cranial base) floor

viscerocranium

6

Bones that make up viscerocranium

mandible, maxilla, nasal, zygomatic, vomer, perpendicular plate of ethmoid, palatine, lacrimal, inferior nasal conchae

7

Bones of neurocranium

frontal, temporal, occipital, parietal, sphenoid, ethmoid

8

Oral cavity made up of 2 parts

oral cavity proper
oral vestibule

9

Boundaries of the oral cavity
(roof, walls and floor)

Roof: hard and soft palate
Walls: cheeks, buccinator muscle, skin
Floor: tongue, mylohyoid muscle, geniohyoid muscles

10

What is the oropharyngeal istmus

the space that connects the oral cavity to the oropharynx

11

what is the blood supply of the tongue

carotid artery and jugular vein

12

nerve supply for the tongue

motor = hypoglossal
sensory = glossopharyngeal, lingual, facial and vagus

13

Ligaments of TMJ

Lateral ligament = strengthens TMJ
sphenomandibular = minimal support
stylomandibular = passive

14

Muscles of mastication

masseter
buccinator
lateral and medial pterygoid

15

3 fossae of the head

temporal - temporalis muscle dent
infratemporal - dent inside zygomatic arch
pterygopalatine - dent under arch

16

contents of the temporal fossae

temporalis muscle
superior temporal vein and artery
external carotid
deep temporal nerves

17

contents of the infratemporal fossae

medial and lateral pterygoids, masseter and temporalis
mandibular nerve

18

Salivary glands

parotid = serous
submandibular = mucous
sublingual = both

19

relationships of the parotid gland

facial nerve
retromandibular vein
external carotid artery and its branches

20

fascia of the neck

encloses structures of the neck and separates them into compartments

21

superficial fascia contains

Cutaneous nerves,
Superficial lymph vessels and nodes,
Platysma muscle

22

deep fascia contains

vascular compartment
visceral compartment
vertebral compartment

23

triangles of the neck

submandibular
carotid
muscular
supraclavicular
submental
occipital

24

muscles of the neck that assist with chewing and swallowing

infrahyoid and suprahyoid

25

nerves of the head and neck

C1 to C4

26

a pharyngeal arch contains

muscle
nerve
artery
cartilage

27

derivatives of pharyngeal pouch 1

tympanic cavity

28

derivatives of pharyngeal pouch 2

palatine tonsils

29

derivatives of pharyngeal pouch 3

inferior parathyroid glands and thymus

30

derivatives of pharyngeal pouch 4

superior parathyroid glands