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Flashcards in Pimp Questions Deck (14)
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1

What are the layers of the eyelid?

Skin
Orbicularis
Septum
(Preaponeurotic fat)
Levator aponeurosis
Tarsus / Muller's muscle
Conjunctiva

2

What is the anatomy of the submandibular gland?

In the submandibular triangle
Between the mylohyoid and the digastrics
Enveloped by superficial layer of deep cervical fascia
Right near the marginal mandibular nerve
The Lingual nerve runs laterally to it under the mylohoid
Facial artery runs through it

3

What is the function of the submandibular gland?

Serous AND mucinous saliva

4

Where does the submandibular gland empty?

Wharton's duct -- lateral to lingual frenulum in anterior floor of mouth behind incisors

5

Innervation to the submandibular gland?

Parasymp: chorda tympani (via lingual nerve)
Symp: superior thoracic nerves

6

Contents of saliva

Water 99%, Ca++ salts, organic compounds and enzymes (amylase, lysozyme, IgA)

7

Words for excess saliva

Sialorrhea or Ptyalism

8

Word for deficient saliva

Xerostomia

9

Causes of xerostomia

Sjogren's
Stress/anxiety
Mouth-breathing
Dehydrations
Meds
Radiation

10

Blood supply to the SMG

Facial artery

11

Functions of the marginal mandibular nerve

Innervate depressor mm for lower lip and chin

12

Boundaries of the submandibular triangle

Mandible/mastoid (ant)
Anterior belly of digastric (medial)
Posterior belly of digastric (lateral)
Stylohyoid (posterior)

13

Indications for SMG excision

Chronic sialadenitis
Sialolithiasis
Suspected neoplasm?
Sialarrhea

14

How to avoid damaging the marginal mandibular nerve?

Do a subcapsular excision, NOT a subplatysmal flap. That way you will lift the nerve up with the deep cervical fascia over the gland