Anatomy Iii, 1

Front 1

Three muscles that make up the bottom of chin?

Back 1

Digastric (ant/post), Stylohyoid, Mylohyoid,

Front 2

The nerves and vessels running on the lateral side of Stenocleidomastoid

Back 2

Greater auricular n, transverse cervial n, Accessory n (pierces), External Jugular

Front 3

Accessory nerve innervation?

Back 3

Sternocleidomastoid, Upper Trapezius

Front 4

Trigeminal nerve, origin, branches, function?

Back 4

Trigeminal nerve (Cranial V), Ophthalmic (supraorbital n, supratrochlear n), Maxillary (infraorbital n), Mandibular (Mental n)

Front 5

Posterior triangle of the neck formed by?

Back 5

Trapezius, Sternocleidomastoid m, clavicle

Front 6

Space between pretracheal layer and prevertebral layer?

Back 6

Retropharyngeal space

Front 7

Components enclosed in the Carotid sheath? (Clockwise from 2pm)

Back 7

Carotid artery, vagus nerve, Internal Jugular Vein (alphabetical)

Front 8

Ansa cervicalis, origins, location, innervation

Back 8

From C1,2,3; lies superficial to int. jugular, in Carotid sheath; Innervates infrahyoid muscles.

Front 11

3 veins draining thyroid

Back 11

Superior & middle thyroid (to internal jugular vein); inferior (to brachiocephalic)

Front 12

3 arteries suppling thyroid

Back 12

Superior thyroid (from carotid); Inferior thyroid (from thyrocervial trunk); throid ima artery (10% of people, direct from aorta, BC trunk, or carotid)

Front 13

C 2, 4, 5 nerves

Back 13

optical (2), trochlear (4), Trigeminal (5)

Front 14

External Carotid branches:

Back 14

Superior thyroid, Asce. pharyngeal, Linguinal, Facial, Occipital, Posterior auricular, Maxillary, Superficial

Front 15

Carotid sinus innervation:

Back 15

CN IX, X

Front 16

Facial artery passes (medial/lateral) to the mandible

Back 16

Facial artery passes lateral to the mandible.

Front 17

Vertebral artery enters which vertebra?

Back 17

C6-C1

Front 18

What enters the mandibular foramen?

Back 18

Inferior alveolar artery, vein and nerve

Front 19

What two nerves run close to each other nicked between medial and later pterygoid?

Back 19

Linguinal (superior/ant), Inferior alveolar

Front 20

3 Ganglions in the head and neck region:

Back 20

Superior cervical, middle cervical, cervicothroacic

Front 21

3 Branches off of the thyrocervical trunk

Back 21

Suprascapular, transverse cervical, inferior thyroid (ascending cervical)

Front 22

From where does ascending cervial artery arise:

Back 22

From inferior thyroid artery

Front 23

Muscles of facial expression are innervated by:

Back 23

Facial nerve CN VII

Front 24

Orbicularis oris location:

Back 24

around the mouth

Front 25

Zygomaticus major location

Back 25

From the anterior of zygomatic arch to the mouth corner.

Front 26

The 5 branches of Facial nerve

Back 26

Temporal, Zygomatic, Buccal, Mandibular, Cervical

Front 28

The numbering scheme of the pharyngeal arches:

Back 28

1,2,3,4,6

Front 29

From which pharyngeal arch does the oral cavity form?

Back 29

Oral cavity forms from between the two lobes of arch 1.

Front 30

Bones derived from the first arch:

Back 30

Maxilia, mandible, Incus, Malleus

Front 31

Bones derived from the 2nd arch:

Back 31

Stapes, styloid process, ante. hyoid

Front 32

Bones derived from the 3rd arch:

Back 32

The remaining of hyoid.

Front 33

Thyroid cartilage is dervied from which pharyngeal arch:

Back 33

Thyroid cartilage is from arch IV

Front 34

Cricoid cartilage is derived from which pharyngeal arch:

Back 34

Cricoid cartilage is from arch VI

Front 35

The nerves that innervates pharyngeal arches are:

Back 35

V (1), VII (2), IX (3), X(4,6)

Front 36

Arteries from the 3rd aortic arch:

Back 36

Common and internal carotid arteries.

Front 37

Arteries from the 4th aortic arch:

Back 37

Arch of the aorta and R subclavian

Front 38

Arteries from the 6th aortic arch:

Back 38

Pulmonary arteries and ductus arteriosus

Front 39

What does the tympanic membrane divide in terms of embryonic structures?

Back 39

The first pharyngeal cleft and the first pharyngeal pouch.

Front 40

From where does the Inf. Parathyroid gland originate?

Back 40

3nd Pharyngeal pouch (will migrate downward with thymus)

Front 41

From where does the super. Parathroid gland originate?

Back 41

4th pharyngeal pouch

Front 42

Parafollicular C cells: function, origin and destination?

Back 42

C cells produce Calcitonin, origin is in ultimobranchial body (4th pouch), migrates into thyroid gland.

Front 43

What structure forms in Pharyngeal pouch 2?

Back 43

Palatine tonsil

Front 44

Skull exit of facial nerve?

Back 44

Stylomastoid foramen

Front 45

What leaves from Formen ovalue?

Back 45

V3; motor root of V; lesser petrosal nerve.

Front 46

Where in the skull doe the chorda tympani (CN7) exit?

Back 46

Through Petrotympanic fissure.

Front 47

What embryonic structure gave rise to sphenomandibular ligment?

Back 47

the first pharyngeal arch.

Front 48

The two articulations at the TMJ?

Back 48

Upper joint glides, lower joing hinges

Front 49

Elevating muscles at TMJ?

Back 49

Maseater, Temporalis, Medial pterygoid

Front 50

Depression muslces at TMJ?

Back 50

Gravity, Mylohyoid, digastric, genihyoid

Front 51

Protraction muscles at TMJ?

Back 51

Lateral pterygoid, some medial pterygoid

Front 52

Retraction muscle at TMJ?

Back 52

Posterior (fibers), massater (deep), geniohyoid, digastric

Front 53

Temporalis' two actions on mandible?

Back 53

Elevates, retraction (posterior fiber)

Front 54

Muscles controlling the mandibles are innervated by?

Back 54

CN V3 (first arch nerve)

Front 55

CN V1 branches?

Back 55

NFL (nasocillary, frontal, lacrimal)

Front 56

CN V2 branches? Skull exit?

Back 56

ZIP (Zygomatic, Infraorbital, post. Sup. Aveolar n), Foramen Rotundum

Front 57

CN V3 sensory branches, skull exit?

Back 57

Buccal, Auriculotemporal, Infe. aveloar, Lingual; all exit from Foramen Ovale

Front 58

Chorda tympani is consisted of which two fibers?

Back 58

Sensory (tast to 2/3 of tongue); preganglion to control 2/3 salivary gland (sublingual, submandibular).

Front 59

What nerve does Chorda Tympani hitchhikes onto? Funtional relevance?

Back 59

Chorda Tympani joins Lingual, since sensory from both comes from tongue.

Front 60

What innervates the posterior 1/3 of the tongue?

Back 60

Glossopharyngeal nerve