ANATOMY QUICKIE 1 Flashcards
palatoglossus innervation
vagus
general sensation of anterior 2/3 of the tongue
lingual nerve V3
site of origin of thyroglossal duct
foramen cecum
1 nerve and 1 artery passing through optic canal
optic nerve and ophthalmic artery
what drains into the superior meatus?
posterior ethmoidal sinus
circle of willis
subarachnoid hemorrhage
EAM innervation
auricular branches of VII, X, IX
auriculotemporal branch of V
what does the petrous part of the temporal bone contain
chorda tympani
tympanic plexus of IX
OC MF IM
OC mother fucker IM
outer cutaneous
middle fibrous
inner mucous
middle fibrous NOT in pars flaccida
neural crest derivatives
I could feel (sensory ganglia of cranial and spinal nerves) her mean (meninges) shit (neurilemmal sheath) so I’ll see (pigment cells or retina) and run away (adrenal medulla)
midbrain: cerebral aqueduct
“don’t mind the midbrain”
5 secondary brain vesicles on the 5th week
pons and cerebellum
metencephalon
leg homonculus
anterior cerebral artery
the rest, middle cerebral artery
non-dominant hemisphere stroke
hemineglect
posterior cerebral artery supplying the occipital lobe, stroke
contralateral hemianopia with macular sparing
posterior cerebral artery supplying the occipital lobe, stroke
contralateral hemianopia with macular sparing
pyramidal decussation
junction of medulla oblongata and spinal cord
THALAMUS
Lateral geniculate nucleus
Lateral Look : relays to primary visual cortex
THALAMUS
Medial geniculate nucleus
Medial Marinig : relays to auditory cortex
Dejerine-Roussy syndrome or central pain syndrome: Thalamic infarction
Roussy… no ouchy.
ataxia
dysmetria
dysdiadochokinesia
posterior lobe (cerebellar)
POSTERIOR FOSSA
9, 10, 11
Jugular foramen (rhyme)
+ sigmoid sinus to IJV
ANTERIOR FOSSA
Foramen cecum: emissary veins
POSTERIOR FOSSA
Internal acoustic meatus: I AM 78 years old according to the labyrinth
CN VII, VIII and labyrinthine artery
MIDDLE CRANIAL FOSSA
ICAreum: foramen lacerum - greater petrosal nerve (ibato mo nga sa mga taga ICA)
Taste me from the back
Hypoglossal nerve passing through hypoglossal canal in occipital
15-45 mg/100 mL protein CSF
50-85mg/100 mL glucose CSF
Chorea: degeneration of?
Striatal neurons
Cranial nerves all arise from the anterior brainstem except for
Trochlear, from posterior
Lesions of cranial nerves
V, XII - to the weak side
X, XI - contralateral
Cranial nerves with PARASYMPATHETIC component:
PARA 3, 7, 9, 10
What muscle divides subclavian artery into three parts?
Scaleneus muscle
Also remember, no divisions on the third part
TRACE TRACE DRAW DRAW
ICA (note posterior cerebral from basilar artery)
ANTERIOR TRIANGLE BOUNDARIES
ANTERIOR PITUITARY
Pars distalis (Largest, hormone secretion), pars intermedia, pars tuberalis
Rathke’s pouch … oral ectoderm - roof of primitive mouth
POSTERIOR PITUITARY
Pars nervosa, infundibulum
Extension of the hypothalamus (downgrowth from forebrain) - diencephalon … neural ectoderm
Review blood supply!
EPIPHYSIS CEREBRI: Pineal
172 grams
Groove between laterally placed thalamic bodies (outward of the roof of the third ventricle)
HYPOPHYSIS CEREBRI: Pituitary
0.5 grams
Sella turcica: part of sphenoid bone
Superficial cervical fascia: platysma
Superficial layer of the DEEP cervical fascia: SCM, Trapz, submandibular and parotid
Pretracheal layer - False capsule of the thyroid gland
Prevertebral layer - Fascial floor of the posterior triangle then extends laterally to form AXILLARY SHEATH
I C 10 CCs in the IjV
What’s the most lateral?
Muscles of the suprahyoid group that are innervated by facial nerve
Posterior belly of the digastric
Stylohyoid
CAROTID BO2DY
Bifurcation
02 levels
CAROTID SINUS
Proximal ICA
Systolic (sensitive to BP)
C6 level - cricoid
below c6 to t4 - trachea
PTH - PCT of kidney
First cervical nerve innervation
Thyrohyoid (elevates the larynx) (INFRAHYOID)
Geniohyoid (SUPRAHYOID)
Atypical ribs
“1,2,1,1,2”
1, 2, 10, 11, 12
1 - SCALENE TUBERCLE
2 - SERRATUS ANTERIOR TUBEROSITY
THORACIC OUTLET SYNDROME
Brachial plexus, subclavian artery
Lower trunk of the plexus (… or ulnar) - pain medial forearm and hand
VNMA Brachial plexus
Subclavian vein, thoracic duct, phrenic nerve, serratus anterior, subclavian artery
SIT DOWN
Muscles of thoracic wall that depress the ribs
Serratus post inf
Int intercostal
Transv thoracis
Remember VAN is in between internal intercostal and innermost intercostal
SIT DOWN
Muscles of thoracic wall that depress the ribs
Serratus post inf
Int intercostal
Transv thoracis
Remember VAN is in between internal intercostal and innermost intercostal
ANTERIOR INTERCOSTAL
POSTERIOR INTERCOSTAL
DOMINANCE OF THE HEART based on?
Posterior interventricular artery
Right dominant - branch of right coronary
Left dominant - branch of circumflex branch of left coronary
Drains into RA
SVC IVC Anterior cardiac Venae cordae minimae (thebesian veins) GSMO
Draw page 46
FATE OF PRIMITIVE HEART
Page 48
CUPULA
Dome of pleura enveloped by Sibson’s fascia (overlies thoracic inlet)
Coarctation of the aorta
Distal - sa mas matanda
Preductal - early / infantile form
SVC ends at what level?
3rd R costal cartilage
Sensory innervation of diaphragm
Peripheral - intercostal nerves
Central - phrenic
Subdiaphragmatic and inferior phrenic
Inferior lymphatic drainage of breast
arcU-Ate line
Think between Umbilicus and ASIS
Deep inguinal ring is to:
Superficial inguinal ring is to:
Tranversalis fascia
External Oblique aponeurosis
Follow up! What’s common to both sexes?
TRUE!!! Completely closed peritoneum sa males!
Also, please draw epiploic foramen :)
