Intra/extra-oral Anatomy Flashcards by Jessica Lomas

Q

Name this region of extra oral surface anatomy

A

Frontal region

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Q

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A

Orbital region

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Q

Name this region of extra oral surface anatomy

A

Parotid region

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Q

Name this region of extra oral surface anatomy

A

Buccal region

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Q

Name this region of extra oral surface anatomy

A

Mental region

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Q

Name this region of extra oral surface anatomy

A

Oral region

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Q

Name this region of extra oral surface anatomy

A

Nasal region

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Q

Name this region of extra oral surface anatomy

A

Frontal region

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Q

Name this region of extra oral surface anatomy

A

Orbital region

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Q

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A

Nasal region

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Q

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A

Infraorbital region

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Q

Name this region of extra oral surface anatomy

A

Oral region

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Q

Name this region of extra oral surface anatomy

A

Mental region

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Q

Name this region of extra oral surface anatomy

A

Buccal region

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Q

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A

Parotid region

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Q

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A

Occipital region

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Q

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A

Auricular region

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Q

Name this region of extra oral surface anatomy

A

Zygomatic region

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Q

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A

Temporal region

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Q

Name this region of extra oral surface anatomy

A

Parietal region

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Q

Which layer of the skin are the muscles of facial expression found?

A

Superficial fascia

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Q

What is the origin of the muscles of facial expression?

A

Bone or fascia

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Q

Where do the muscles of facial expression insert?

A

Onto the skin

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Q

Name the layer of skin

A

Epidermis

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Name the layer of skin

Dermis

Name the layer of skin

Superficial fascia

Name the layer of skin

Deep fascia

What’s the cranial nerve that supplies the face?

CN V Trigeminal nerve

What r the 3 aspects of the Trigeminal nerve?

V1: ophthalmic V2: maxillary V3: mandibular

Name this section of the Trigeminal nerve CN V

V1

Name this section of the Trigeminal nerve CN V

V2

Name this section of the Trigeminal nerve CN V

V3

Which cranial nerve innervates the muscles of facial expression? Motor

CN VII facial nerve

Name this muscle of facial expression

Frontalis

Name this muscle of facial expression

Orbicularis oculi

Name this muscle of facial expression

Platysma

Name this muscle of facial expression

Orbicularis oris

Name this muscle of facial expression

Quadratus superioris

Name this structure

Zygomatic bones

Name this structure

Buccal fat pad

What is the function of buccal fat pad?

Prevents cheeks from collapsing during suckling in infants

What’s the vermilion border?

White line that runs around the lips separating mucus membrane of the lips and the surrounding skin

In what direction to wrinkles form?

90 degrees to the muscle fibre direction

Where r the muscles of facial expression innervated by CN VII found?

Mainly anterior part of face around sphincters (eye and oral cavity)

What r the muscles of mastication innervated by?

CN V3

Where r the muscles of mastication found?

Inferior part of the face around the ramus of the mandible and TMJ

What are the muscles of mastication innervated by?

CN V3 Mandibular division of Trigeminal nerve

Name this muscle of mastication

Temporalis

Name this muscle of mastication

Masseter

Name this muscle of mastication

Lateral pterygoid

Name this muscle of mastication

Medial pterygoid

Which muscles of mastication elevate the mandible

Masseter, Temporalis, medial pterygoid

How many pairs of major salivary glands?

3

Where is the parotid gland situated?

Superior to Masseter upon the mandibular ramus Bilateral: right and left

What’s the path of the parotid duct from the parotid gland to mouth?

Parotid gland Penetrated through buccal fat pad Pierces through Buccinator muscle Empties at upper second molar of opposite side

What r the two parts of the submandibular gland?

Superficial and deep

Where does the submandibular duct empty?

Floor of the mouth

Where is the sublingual gland located?

Floor of the mouth

Name this structure

Parotid duct

Name this structure

Parotid gland

Name this structure

Deep part of the submandibular gland

Name this structure

Superficial part of the submandibular gland

Name this structure

Submandibular duct

Name this structure

Sublingual gland

Name this structure

Sublingual ducts

Name this structure

Openings for sublingual glands

Where does the arteriol blood supply for the face come from?

Facial artery, branch of the external carotid artery

Name the artery

Occipital

Name this structure

Posterior auricular

Name this structure

Ascending pharyngeal

Name this structure

Common carotid artery

Name this structure

Superior thyroid

Name this artery

Lingual

Name this artery

Facial

Name this artery

Inferior alveolar artery

Name this artery

Maxillary

Name this artery

Superficial temporal

Name this artery

Superficial temporal

What drains the venous blood from the face?

Facial vein drains to internal jugular vein

Name this vein

Retro mandibular vein

Name this vein

Internal jugular vein

Name this vein

External jugular vein

Name this vein

Subclavian vein

Name this vein

Inferior alveolar vein

Name this vein

Facial vein

Name this vein

Maxillary vein

Name this vein

Superficial temporal vein

Name the lymph node group

Occipital

Name the lymph node group

Mastoid

Name the lymph node group

Parotid

Name the lymph node group

Submandibular

Name the lymph node group

Submental

Name the sinus’

Frontal and ethmoidal sinus

Name the sinuses

Maxillary and sphenoidal sinus

What’s the muscle on the external part of the eyelid called

Orbicularis oculi

What r the two parts of the Orbicularis oculi called? Function?

Circular/orbital: screw up eyes tightly Palpebral gentle closure of eyelid

What is produced by lacrimal gland?

Lacrimal fluid Tears

Pathway of lacrimal fluid from lacrimal gland

Lacrimal gland Over eye To medial angle Through lacrimal puncta To nasal cavity

Name this structure

Lacrimal gland

Name this structure

Canaliculi

Name this structure

Lacrimal sac

Name this structure

Nasolacrimal duct

What muscle surrounds the mouth?

Orbicularis oris

What is the philtrum?

Vertical groove in the midline of the upper lip bordered by lateral ridges

Name this structure

Philtrum

Name this structure

Commissure

Name this structure

Fissure

Name this structure

Vermillion border

Name this structure

External acoustic meatus

Name this structure

Glenoid fossa

Name this structure

Condylar head

Name this structure

Upper dental arch

Name this structure

Arches of the soft palate

Name this structure

Posterior wall of the oropharynx

Name this structure

Uvula

Name this structure

Lower dental arch

Name this structure

Gingiva

Name this structure

Palatine tonsil

Name this structure

Palatoglossal arch

Name this structure

Palatopharyngeal arch

Name this structure

Hard palate

Name this structure

Soft palate

Name this structure

Dorsum of the tongue

What’s the structure called between the lips and teeth?

Oral vestibule

Whats the type of mucosa that lines the upper and lower lips?

Labial mucosa

What type of mucosa is on the internal lining of the cheeks?

Buccal mucosa

What is the part behind the dentition in the oral cavity called?

Proper oral cavity

What type of muscle is the tongue completely composed of?

Skeletal muscle

The tongue is divided into what two sections?

Anterior 2/3 horizontal, freely movable Posterior 1/3 vertical, fixed

What separates the anterior 2/3 and posterior 1/3 of the tongue?

Terminal sulcus

Name this structure

Terminal sulcus

Name this structure

Foramen caecum

Name this structure

Vallate papillae

Name this structure

Foliate papillae

Name this structure

Fungiform papillae

Name this structure

Filiform papillae

Name this structure

Ventral anterior surface of tongue

Name this structure

Lingual vein

Name this structure

Sublingual papillae

Name this structure

Left sublingual fold

Name this structure

Frenulum

What is tongue tie?

Frenulum too short Tongue bound to gingivae of the lower incisor teeth

Name this structure

Maxillae bones

Name this structure

Median palatine suture

Name this structure

Lateral and medial pterygoid plates of the sphenoid bone

Name this structure

Palatine bones

Name this structure

Palatine foraminae for nerves and vessels

Name this structure

Incisive Foramen

What is the hard palate covered by?

Mucosa

What are deep to the epithelium in the palatial mucosa?

Salivary glands

What are palatal rugae? What do they do?

Little transverse ridges of the mucosa Assist with breakdown of food

Mucosa on the hard palate is?

Keratinised stratified squamous epithelium

Mucosa on the soft palate is

Non keratinised stratified squamous epithelium

Name this structure

Palatal rugae

Name this structure

Duct openings of the palatine glands

Name this structure

Minor salivary glands in the palatal mucosa that secrete mucous

The soft palate only is made up of what type of muscle?

Skeletal muscle

Functions of the soft palate

1. Stops food entering nose when swallow 2. Directs air into the nose during speech, coughing, vomiting 3. Close off entrance to orooharynx during the gag reflex

What vertebral level is the oropharynx?

C2 and C3

What surrounds the oropharynx?

Pharyngeal muscles

The oropharynx is a common pathway for which systems?

Respiratory and Gastrointestinal

Name this tonsil

Pharyngeal tonsil “adenoid”

Name this tonsil

Tubal tonsil

Name this tonsil

Lingual tonsil

Name this tonsil

Palatine tonsil

Name this tonsil

Pharyngeal tonsil “adenoid”

Name this tonsil

Tubule tonsil

Name this tonsil

Palatine tonsil

Name this tonsil

Lingual tonsil

What is the protective ring of lymphoid tissue called?

Waldeyer’s ring of lymphoid tissue