Day 15 (pg 207) Flashcards Preview

Spinal Anatomy Final Exam > Day 15 (pg 207) > Flashcards

Flashcards in Day 15 (pg 207) Deck (28):
1

What nerve(s) provide motor innervation to the scalp?

facial nerve branches

2

What is the embryonic origin of skeletal muscles innervated by the facial nerve?

the skeletal muscle is derived from the branchial arches hence branchial efferent

3

What is the third layer of the scalp associated with?

muscular component of the scalp

4

What muscle(s) are specifically associated with the scalp?

frontalis and occipitals bellies of the epicranius muscle

5

The bellies of the epicranius muscle are connected by what structure?

galea aponeurotica

6

What is the fourth layer of the scalp

loose connective tissue layer

7

What is the fifth layer of the scalp?

pericranium

8

Which muscles lack any attachment to bone?

orbicularis oris, procerus & risorius

9

Which divisions of the trigeminal nerve receive sensory information from the face?

all 3 divisions: ophthalmic nerve, maxillary nerve & mandibular nerve

10

What landmark forms the apex of the orbit?

convergence of the superior orbital fissure and inferior orbital fissure

11

What opening(s) are located along the superior wall of the orbit?

optic canal

12

What are the contents of the optic canal?

optic nerve & ophthalmic artery

13

What bones form the medial wall of the orbit?

ethmoid, frontal, lacrimal & sphenoid bones

14

What are the openings located along the medial wall of the orbit?

anterior ethmoid & posterior ethmoid foramina

15

What is the name given to the medial wall of orbit?

lamina papyracea

16

What opening(s) are located along the lateral wall of the orbit?

superior orbital fissure

17

What opening(s) are located along the inferior wall of the orbit?

inferior orbital fissure

18

What is contained in the inferior orbital fissure?

maxillary division of trigeminal nerve

19

What are the layers of the eyelid?

skin, orbicularis oculi muscle, tarsal plate/tarsus & palbebral conjunctiva

20

What are the names given to the modified sebaceous gland in the tarsus of the eyelid?

tarsal or Meibomian gland

21

What is the location of a Meibomian gland?

tarsus of the eyelid

22

What is the name of the modified sebaceous gland at the base of the eyelash?

ciliary gland

23

What are the parts of the lacrimal gland

orbital and palpebral parts

24

The lacrimal gland is an example of what classification of gland?

exocrine gland

25

What is the single common characteristic of exocrine glands?

ducts drain product from the secretory units of the gland

26

Into what location will the lacrimal gland ducts open?

superior fornix

27

What is the drainage pattern of tears?

lacrimal punctum, lacrimal canaliculus, lacrimal sac, nasolacrimal duct & inferior nasal meatus

28

Which visceral efferent (VE) pathway is conveyed in the seventh cranial nerve?

a parasympathetic motor pathway