week 3 Flashcards Preview

BDS3 - Anatomy > week 3 > Flashcards

Flashcards in week 3 Deck (156)
Loading flashcards...
1

what nerve supplies the muscles of facial expression

- facial nerve

2

what pharyngeal arch have the muscles of facial expression formed from

- 2nd

3

what lifts the eyebrow

- frontalis and epicranial aponeurosis

4

what does the orbicularis oculi do

- allows you to blink

5

what are the two parts of the orbicularis oculi muscle

- palpebral and orbital parts

6

what does the palpebral part of the orbicularis oculi muscle

- finer part
- allows you to blink
- to do with eyelid

7

what does the orbital part of the orbicularis oculi muscle do

- further out and more dense
- allows you to close eyes more tightly

8

where is the orbicularis oris

- just round the lip vermillion
- round the opening of the mouth

9

what does the levator labii superiorous do

- elevates the upper lip

10

what does the depressor labii superiorous do

- pull bottom lip down

11

what does the levator anguli oris do

- elevates the corner of the mouth

12

what does the risorius muscle do

- pulls corners of the mouth to the side

13

what does the platysma muscle do

- keeps the tone of the neck
- wrinkle neck

14

what does the buccinator muscle do

- use when eating to keep food in between cheeks
- keeps tone of cheek

15

where does the temporal branch of facial nerve supply

- above the eye

16

where does the zygomatic branch of facial nerve supply

- under the eye

17

what happens if zygomatic branch of facial nerve damaged

- drooping eyelid

18

what are the 5 branches of facial nerve

- temporal
- zygomatic
- buccal
- mandibular
- cervical

19

where does the facial vein start

- under eye
- goes in quite a straight line
- deep to facial nerve

20

what is the facial artery like

- very winding and twisted

21

what arteries supply lip

- inferior and superior labial branches of the facial artery

22

where is the inferior attachment of platysma muscle

- superficial fascia of upper thorax

23

what passes through the supraorbital notch of the fontal bone

- supraorbital nerve which is a branch of the ophthalmic division of the trigeminal nerve

24

what passes through the infraorbital foramen

- infraorbital nerve which is a branch of maxillary division of trigeminal nerve
- infraorbital artery and vein

25

what passes through mental foramen

- mental nerve, artery and vein

26

what are the superior and inferior attachments of occipital belly of sclap

- inferior = occipital bone
- superior = epicranial aponeurosis

27

what are the superior and inferior attachments of frontal belly of scalp

- superior = epicranial aponeurosis
- inferior = skin of forehead and eyebrows

28

what nerve innervates the frontal and occipital belly

- facial nerve

29

what are the 3 major salivary glands

- parotid
- sublingual
- submandibular

30

where are the minor salivary glands

- in tongue, palatine tonsil, palate, lips and cheeks