Anatomy Flashcards
What is this? What bones are made up of it? Structures related to it? and what time does it close
pterion of the skull.
Made up of temporal bones, parietal, frontal and greater wing of sphenoid.
Temporalis and middle meningeal artery.
3 month
Give two actions of masseter and nerve supply
Mandibular nerve anterior division
Protraction and elevation of mandible
name the structure marked by star
Give two muscles attached to it and give their origin and nerve supply
Superior nuchal line
Sternomastoid and trapezius
Sterno origin: middle 1/3 clavicle and manubrium sterni front
Nerve supply Spinal root C2, C3
Name muscle marked with orange pin
Give its origin and insertion
Give its action and nerve supply
O: Digastric fossa
I: Intermediate tendon
Nerve to mylohyoid and facial nerve
Hyoid elevation and mandibular depression
origin of ICA and ECA
gives their terminal branches
both originate at thyroid cartilage upper border
ICA: At skull base, dividing into ant. & middle cerebral aa and opthalmic
ECA: inside parotid: maxillary, superficial temporal, facial, lingual, occipital and auricular
artery origin and branches
ECA front, above hyoid
ascending palatine, submental ,tonsillar, inferior labial, sup labial
IJV origin end and branches
jugular foramen
Subclavian vein to form brachiocephalic V
Common facial, lingual, sup and middle thyroid
Subclavian ends at? its branches are?
internal mammary, vertebral and thyrocervical trunk
nerve
gives taste and general sense to ant 2/3 of tongue
lingual n
nerve branch
cardiac
Sympathetic chain branch
cardiac to heart
n
hypoglossal
motor to extrinsic and intrisic tongue muscles
Parotid gland parts, site of duct opening and nerves related
superficial, deep and small accesspry
in vestibule opposite upper 2 molar
Auriculotemporal, facial nerve branches (temporal, zygomatic, buccal and mandibular
Submandibular gland parts
site of opening
Nerve related
superficial and deep
In mouth floor
Lingual N and hypoglossal N
Thyroid parts
and nerves
2 lobes and isthmus
External and recurrent laryngeal N
Structure opened in superior meatus
Post ethmoidal sinus
Structre open in middle meatus
frontal, maxillary and middle ethmoidal
structure open in inferior nasal meatus
Nasolacrimal duct
Soft palate muscles and nerve supply
Levator palati, tensor palati
glossopharyngeal N
Tongue muscles and nerve supply
Extrinsic and intrinsic by hypoglossal n and pharyngeal plexus
Anteroir 2/3 lingual for general sensation and chorda tympani for taste
Post 1/3 for glossopharnygral for general and taste
Genioglossus action, nerve supply and insertion
Protrude tongue to opposide side and forwads (prevents it from sliding back)
ventral suface of tongue and hyoid
Brain stem blood supply (medulla, pons and midbrain)
Medulla: vertebral and an spinal aa, PICA and posterior spinal
pons: Basilar A, PICA and superior cerebellar
Mid brain: Sup cerebellar, post cerebral and post communicating
muscle related to mastoid process
Sternomastoid
Post. belly of digastric
Incisive fossa
greater palatine vessels and nasopalatine n
lateral pterygoid plate
late and medial pterygoid
their nerve supply is mandibular N
this foramen
oval
mandibular N, accessory meningeal nerve
Foramen spinousm right next to oval
middle meningeal nerve and nervous spinousm
joint related
mandibular fossa
Tempomandibular (synovial and condyle)
name canal
CAROTID CANAL
internal carotid, sympathetic plexus and emissary v
NAME foramen
STYLOMASTOID
Facial n and sylomastoid a