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DMD 5222 Head and Neck 2 > Prep > Flashcards

Prep Flashcards

1
Q

What is Falx cerebri, Tentorium cerebelli, Falx cerebelli, Diaphragma sellae?

A
  1. Falx cerebri: Between cerebral hemispheres 2. Tentorium: Seperates cerebellum and cerebrum 3. Falx cerebelli: Divides cerebellar hemispheres. 4. Diaphragma sellae: covers sella turcica.
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2
Q
A
  1. Superior sagittal sinus 2. Inferior sagittal sinus 3. Straight sinus 4. Confluence of sinuses 5. Transverse sinus (2) 6. Sigmoid sinus (2) -Drains into IJV at junction of sigmoid and petrosal sinuses 7. Superior petrosal sinus (2) 8. Inferior petrosal sinus (2) 9. Cavernous sinus (2)
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3
Q

What is the flow of lymph?

A

Capillaries–>Vessels–>Nodes–>Trunks–>Ducts–>Venous circulation.

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4
Q

The right side of the face is drained by what lymphatic duct? Left?

A

Right= Right lymphatic duct Left= Thoracic duct.

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5
Q

What are the branches of the cervical plexus? sensory , motor or both? Associate with what nerve?

A
  1. Lesser occipital: S
  2. Greater auricular: S
  3. Transverse cervical: S
  4. Supraclavicular: S
  5. Phrenic: B
  6. Ansa cervicalis: M Associated with CNXII
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6
Q

Glands above oral fissure are innervated by what nerve/ganglion? Below?

A

Above: Greater petrosal via pterygopalatine ganglion. Below: Chorda Tympani via submandibular ganglion

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7
Q

What is the pathway and nerves of parasympathetic innervation of lacrimal gland?

A
  1. Pre-gang= Superior salivatory nucleus–>Greater petrosal VII–>Joins deep petrosal (vidian) 2. Post-gang= Pterygopalatine ganglion–>hitch hikes Zygomatic of V2–>Communicating branch–>Lacrimal nerve of V1.
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8
Q

What is the parasympathetic innervation pathway of sublingual and submandibular gland?

A

Pre= Superior salivatory nucleus–>CN VII exits IAM–>Chorda tympani of VII exits petrotympanic fissure–>hikes on lingual V3. Post= Submandibular ganglion–>Hikes on lingual of V3.

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9
Q

What are the trigeminal nerve divisions, type?

A

V1: Opthalmic. SensoryV2: Maxillary SensoryV3: Mandibular, Sensory and Motor

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10
Q

What are the 3 main branches of V1?

A

Frontal, Lacrimal, Nasociliary.

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11
Q

What are all the branches of V1 from the main branches?

A
  1. Frontal -Supraorbital -Supratrochlear 2. Lacrimal 3. Sasociliary -Posterior ethmoid -Anterior Ethmoid -External nasal -Infratrochlear -Long cilary -Short ciliary
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12
Q

What do the V1 Frontal branches innervate? Supratrochlear and subraorbital.

A
  1. Supraorbital: Frontal sinus, skin superior to lateral orbit including lateral upper eyelid. 2. Supratrochlear: Frontal sinus, skin superior to medial orbit, including medial upper eyelid.
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13
Q

What does the V1 Lacrimal branch innervate?

A

Conjunctiva, lacrimal gland, skin of upper eyelid

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14
Q

What do the V1 Nasociliary branches innervate?Post. ethmoid, ant. ethmoid, external nasal, infratrochlear, long ciliary, short ciliary.

A
  1. Posterior ethmoid: Ehtmoid and sphenoid sinuses 2. Anterior ethmoid: Ethmoid sinus and nasal caity -External nasal: Skin at apex of Nose 3. Infratrochlear: Conjunctiva, lacriaml structures and skin of bridge of nose and eyelid. 4. Long ciliary: Sclera and cornea 5. Short ciliary: Ciliary body and iris.
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15
Q

What does the V2 Posterior superior alveolar nerve innervate?

A

Maxillary sinus, buccal gingiva along maxillary molars, maxillary molars.

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16
Q

The Trigeminal ganglion is also called?

A

Semilunar.

17
Q

What do the branches of V2 Zygomatic branch innervate?

A
  1. Zymomaticofacial: Skin inferior and lateral to orbit, including lateral portion of superior lip 2. Zygomaticotemporal: Skin superior and lateral to orbit. 3. Communication to lacrimal: VII Hitch hikers carry para from pterygopalatine ganglion to lacrimal nerve of V1.
18
Q

What do the branches of V2 Infraorbital branch innervate?MSA, ASA, Nasal, Palpebrael, Superior labial.

A
  1. Middle superior alveolar: Maxillary sinus, Maxillary premolars. 2. Anterior Superior Alveolar: Maxillary sinus, Maxillary central incisor, lateral incisor and canine. 3. Nasal: Nasal cavity and nasal septum 4. Palpebrael: Skin of lower eylid5. Superior labial: Skin of upper lip.
19
Q

What are the innervations of V3 branches meningeal, Tensor tympani, Tensory veli palatini?

A
  1. Meningeal: Sensory of meninges 2. Tensor tympani: Motor to tensor tympani m 3. Tensor veli palatini: Motor to tensor veli palatini.
20
Q

What do the Pharyngeal, nasopalatine, greater and lesser palatine V2 branches innervate?

A
  1. Pharyngeal: Nasopharynx2. Nasopalatine: Hard palate and palatal gingiva/mucosa between cuspids.3. Greater palatine: Hard palate and palatal gingiva/Mucosa, between premolar/molars.4. Lesser palatine: Soft palate.
21
Q

What are the posterior divisions of V3 branch and their innervation? Mylohyoid, Inferior alveolar, Incisive, mental, lingual, auriculotemporal.

A
  1. Mylohyoid: Motor to mylohyoid, anterior digastsric 2.Inferior alveolar: Sensory all mandibular teeth via inscisive n, 2nd premolar and molars. -Incisive: Sensory mandibular teeth from 1st premolar anterior. -Mental: Sensory buccal gingiva from 1st premolar anterior, skin of chin and medial lower lip. 3. Lingual: Sensor lingual gingiva from 1st premolar anterior 2/3 of tongue. 4. Auriculotemporal: Sensory to TMJ and capsule, skin of superior to ear and around temple.
22
Q

What are the anterior division V3 branches and their innervation? M pterygoid, long buccal, masseteric, deep temporal, L pterygoid.

A
  1. Medial pterygoid: motor to M pterygoid 2. Long buccal: Sensory to buccal gingiva around molars, skin of cheek, lateral lower lip. 3. Masseteric: motor: masseter, Sensory: TMJ4. Deep Temporal: Motor: Temporalis, Sensory: TMJ5.Lateral Pterygoid: Motor lateral pterygoid.
23
Q

What is cough reflex? Sensory and motor nerves?

A

Cough receptors in respiratory tract. Sensory: X Internal laryngealMotor: X (recurrent laryngeal), Phrenic, Intercostal

24
Q

What are the muscles of the soft palate and their innervations?

A
  1. Tensor veli palatini (V3) 2. Levator veli palatini (X) 3. Musculus uvulae (X) 4. Palatopharyngeus (X) 5. Palatoglossus (X)
25
Q

What are the constrictor muscles of the pharynx and innervation??

A

Superior, middle, and inferior constrictor. X

26
Q

What are the longitudinal muscles of the pharynx?

A
  1. Palatopharyngeus (X) 2. Salpingopharyngeus (X) 3. Stylopharyngeus (IX)
27
Q

What are extrinsic muscles of tongue and innervation?

A

Genioglossus (CN XII) Hyoglossus (CN XII) Palatoglossus (CN X) Styloglossus (CN XII)

DMD 5222 Head and Neck 2 (14 decks)

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