anatomy Flashcards
which foramen transmits sensory and the motor roots of the mandibular division of the trigeminal nerve?
foramen ovale
what are the layers of the scalp?
Skin Connective tissue of superficial fascia Aponeurosis(galea) Loose connective tissue Periosteum/Pericranium
Muscles of Facial Expression are situated in which fascia?
superficial fascia
The muscles of facial expression are supplied by which nerve?
facial nerve
as a group, what are the auricle muscles called?
Temporoparietalis(muscles of ear) [post,sup, and anterior auricle muscles]
mention the anatomic location of the base and apex of the parotid gland
base(upper portion): along the zygomatic arch
apex(lower portion): posterior to the angle of mandible
the mastoid process lies …………. to the parotid gland
posterior
the styloid process lies ………. to the parotid gland
medially
which muscle does the parotid gland pierce?
buccinator muscle
into which tooth does the parotid gland open up to?
it opens up to the oral cavity at the level of the 2nd maxillary molar tooth(teeth at the back)
what is the deep fascia of the neck called?
cervical fascia
what are the facial muscles?
- masseter
- lateral pterygoid muscle
- medial pterygoid muscle
- temporalis
what are the structures traversing the parotid gland?
external carotid artery
retromandibular vein
facial nerve
what innervates the parotid gland?
glossopharyngeal nerve–>otic ganglion–>auriculotemporal nerve
what is the mobile part of the nasal septum of the nose?
columella
what are the 3 borders of the piriform aperture?
superiorly: inferior margin of nasal bone
laterally: nasal notch of maxilla
inferior: nasal spine
The middle ethmoid sinuses drain into the
middle meatus of the nose.
The sphenoid sinus drains into the
sphenoethmoidal recess
The frontal sinus drains into the
middle meatus of the nose.
The anterior ethmoidal sinuses drain into the
middle meatus of the nose.
The nasolacrimal duct drains into the
inferior meatus of the nose.
To where do the submental lymph nodes drain?
The deep cervical lymph nodes
which part of the mouth would drain into the submental lymph nodes?
center of the lower lip
borders of choanae?
- superiorly: body of sphenoid
- laterally: medial plate of pterygoid process
- inferiorly: palatine bone
what connects the nasal cavity into the nasopharynx?
choanae
The ……… (main) bronchus gives off the
superior lobar bronchus BEFORE entering the hilum of the right lung.
The …….. main bronchus gives
off the superior lobar bronchus AFTER entering the left lung
right
left
what is the posterior aperture of the nasal cavity called?
choanae
what is the sensory innervation of the external nose?
trigeminal division of the ophthalmic nerve
what is the motor innervation for facial expression muscles?
facial nerve
what is the anterior aperture of the nasal cavity called?
nares
the nares connects the nasal cavity to the ……..?
anterior aperture
The nasal cavity is divided into two parts by the
…………….., which is largely formed by the ……… bone.
nasal septum
vomer