Anatomy Formatives Flashcards
Name the 5 layers of the scalp
Skin Connective tissue Aponeurosis Loose connective tissue Periosteum
Describe the position of the parotid glands and its duct
Overlies the ramus of the mandible Inferior to the ear Anterior to masseter Duct - pierces the buccanator Enters the oral cavity lateral to the upper second molar
What are the 2 main branches of the ECA?
Superficial temporal a.
Maxillary
The internal jugular vein unites with which other vein in the neck? What larger structure do they form?
Subclavian to form the brachiocephalic vein
Which suture lies between the parietal,, temporal and occipital bones? What type of joint is this?
Lambdoid suture
Fibrous joint
Name 2 unique features of a cervical vertebrae which makes it identifiable
Bifid spinous process
Foramen trasversum
What type of joint lies between the 1st and 2nd cervical vertebrae?What movement occurs here?
Synovial pivot
Rotation
Describe the position of the 2 main fontanelles in the neonatal skull
Anterior fontanelle situated where the parietal and frontal bones meet. The position fontanelles are situated at the point where the parietal and occipital bones meet.
What movements occur at the TMJ?
Retrusion Protrusion Elevation Depression Lateral excursion
What is the junction of the parietal, temporal, frontal and sphenoid bone known as?
Ptyerion
Name the 4 muscles of mastication
Temporalis
Massetter
Medial
And lateral pterygoid
Name three nerves that can be found in the intratemporal fossa
Mandibular nerve, inferior alveolar, lingual nerve, buccal nerve, chorda tympani.
Which bones make up the lateral walls of the nasal cavity
Ethmoid
Maxillary
Inferior turbinate
Which paranasal sinuses drain into the middle meatus?
Frontal and maxillary
What drains into the inferior meatus?
Nasolacrimal duct
What drains into the superior meatus?
Anterior ethmoidal cells
What connects the pharynx to the middle ear?
Eustachian tube
Which muscle makes up the floor of the mouth?
Mylohyoid
What is the innervation of the mylohyoid muscle?
CN V3
Which nerve carries the sensation of taste for the posterior 1/3 of the tongue?
Glossopharyngeal
What is the chorda tympani a branch of?
CN VII
Whrere are the foliate papillae located most abundantly?
Lateral posterior aspect of the tongue
Which infrahyoid muscles does the asna cervicalis innervate?
Sternohyoid
Sternothyroid
Omohyoid
What are the 3 cranial fossa?
Anterior
Middle
Posterior
What structures pass through the superior orbital fissure?
CV III CN IV CN VI CN V1 Ophthalmic vein
What is the only muscle of the pharynx supplies by the glossopharyngeal nerve?
Stylopharyngeus
Which muscle connects the thyroid and cricoid cartilage?
Cricothyroid muscle
Which cartilage are the true vocal cords attached to?
Arytenoids
What is the space between the vestibular and vocal chords called?
Vestibule of the larynx
Which 2 nerves are involved in the gag reflex?
Glossopharyngeal
Vagus
Which major structures run in the carotid sheath?
CCA
IJV
Vagus n.
The hypoglossal nerve innervates all the muscles of the tongue except which muscle?
Palatoglossus
Which bones form the orbit?
Frontal Maxillary Zygomatic Lacrimal Ethmoid Sphenoid Palatine
Which structures pass through the optic canal?
Optic nerve
Ophthalmic artery
What are the 2 intrinsic muscles of the iris?
Sphincter pupillae
And dilate pupillae
Which extraocular muscle depresses and adducts the eyeball?
Inferior Rectus
Where is the lacrimal gland locate?
Superolateral region of the eye
Which nerve innervates the lacrimal gland?
Lacrimal nerve
Which muscle elevates the upper eyelid?
Levator palpebrae superioris
Which nerve supplies the LPS?
CN III
Which muscle does CN VI supply?
Lateral rectus
The incus, malleus, and stapes connect which two structures?
Tympanic membrane to the oval window
What is the function of the stapedius muscle?
Dampen the vibrations of the stapes ossicle
The inner ear is composed of which 2 functional components?
Vestibule and cochlea
Which cranial nerves supply parasympathetic nerve fibres?
CN III, VII, IX, X
How does the facial nerve enter the temporal bone?
Through the internal acoustic the meatus
The artery which supplies all structure of the orbit is a main branch of which artery?
Ophthalmic artery
Branch of ICA
Which 2 veins unite to form the EJV?
Retromandibular
Posterior auricular vein
Which nerve supplies taste for the anterior 2/3 of the tongue?
Chorda tympani