Head and Neck Ana Flashcards
3 Primary BRAIN VESICLES
Forebrain or Procensephalon Midbrain or Mesencephalon Hindbrain or Rhombencephalon
Derivatives of Procensephalon 2
Forebrain derivatives Telencephalon or Cerebrum and Diencephalon or Thalamus
Derivatives of Hindbrain 2
Rhombencephalon derivatives Metencephalon and Myclencephalon
Metencephalon derivatives
Pons and cerebellum
Myencephalon derivative
Medulla
Telencephalon
Cerebrum
Brodman area Primary Motor Area
BA 4
Brodman area Primary Sensory Area
BA 3 1 2
Brodman area Primary Visual Area
BA 17
Brodman area Primary Auditory Area
BA 41 42
Brocas area
BA 44 45 Inferior Frontal Gyrus
Wernickes Area
BA 22 Superior temporal gyrus
What are the 2 Lower Motor Neurons
Anterior gray horn of SC and Motor nuclei of CN
UMN Lesions Identify
Paralysis Atrophy Fasciculations Clonus Pathologic reflexes Muscle tone SPASTIC Paralysis NO Atrophy NO Fasciculations INC Muscle tone PRESENT CLONUS
Cerebellum eponym of Anterior Lobe
Paleocerebellum or Spinocerebellum
Cerebellum eponym of Posterior Lobe
Neocerebellum or Cerebrocerebellum
Cerebellum eponym of Floculonodular Lobe
Archicerebellum or Vestibulocerebellum
Cerebellum Fxn of Paleocerebellum
Coordination of voluntary movements ANTERIOR LOBE
Cerebellum Fxn of Neocerebellum
Regulation of Muscle tone Coordination of voluntary movements POSTERIOR LOBE
Cerebellum Fxn of Archicerebellum
Equilibrium FLOCUNODULAR LOBE
Cerebellum Posterior lobe syndrome
Neocerebellum ATAXIA intention tremor DYSMETRIA DYSDIADOCHOKINESIA
Cerebellum Anterior lobe syndrome
Paleocerebellum GAIT INSTABILITY
Floccunodular lobe syndrome
Archicerebellum TRUNCAL ATAXIA
Anatomic location 3rd ventricle
Diencephalon
Recite CSF Flow
Lateral ventricle to INTERVENTRICULAR FORAMEN MONROE to 3rd ventricle to AQUEDUCT OF SYLVIUS to 4th ventricle to MAGENDIE LUSCHKA to subarachnoid space to arachnoid villi to superior sagittal sinus to transverse sinus to sigmoid sinus to IJV
Lentiform Nucleus
Putamen and Globus Pallidus
Basal ganglia WHAT IS CORPUS STRIATUM
Caudate nucleus and Putamen
What are the Nuclei of the Basal ganglia 4
Corpus striatum Globus pallidus Substantia Nigra of midbrain and Subthalamic nucleus diencephalon
Hemiballismus etiology
Damage to contralateral SUBTHALAMIC NUCLEUS secondary to PCA ischemic stroke
Muscle tone and Reflexes in Basal Ganglia lesion
NORMAL
Nerves exiting Sphenoid Bone of Middle Cranial Fossa SUPERIOR ORBITAL FISSURE
CN III IV V1 VI PARINAUD SYNDROME
Nerves exiting Sphenoid Bone FORAMEN SPINOSUM
Middle Meningeal Artery
Cranial V exit at MIDDLE CRANIAL FOSSA Sphenoid Bone Standing Room Only
Superior orbital fissure V1 Foramen Rotundum V2 Foramen Ovale V3
Nerves exiting Internal Auditory Meatus of POSTERIOR CRANIAL FOSSA
CN VII VIII
Nerves exiting Jugular Foramen of POSTERIOR CRANIAL FOSSA
CN IX X XI Jugular vein
Nerves exiting Hypoglossal canal of POSTERIOR CRANIAL FOSSA
CN XII
CN with PNs component
CN III VII IX X 3 7 9 10
exit of CN I
Anterior cranial fossa foramina in cribriform plate of ETHMOID
EXIT OF CN II
Middle cranial fossa OPTIC CANAL
FORAMEN MAGNUM of posterior cranial fossa
Medulla Meninges Vertebral arteries CN XI spinal roots
Branches of Interal carotid a
Ophthalmic Ant cerebral Middle cerebral Posterior communicating a
Branches of vertebral a
PICA Ant and Post Spinal a Meningeal a Medullary a
Smiling muscle
Zygomaticus
Grinning muscle
Risorius
Trumpeters muscle Blowing or Sucking
Buccinator
Blood Supply to face
External Carotid A
Facial vein connect to Cavernous Sinus via
Superior Opthalmic vein
Munching muscles
teMporalis Masseter Medial pterygoid
Opens mouth
Lowers jaw LATERAL PTERYGOID
Corneal Blink Reflex afferent and efferent
AFFERENT V1 Nasociliary EFFERENT Facial n
CN of Mastication
Trigeminal CN V
CN Facial Expression
Facial nerve
CN of Degluttition
Glossopharyngeal CN IX
CN of Phonation
Vagus
Branchial arch derivation of superior laryngeal nerve?
Branchial arch 4
Vagus nerve to
1 Superior laryngeal n -> external laryngeal n -> cricothyroid
2 Recurrent laryngeal n (branching arch 6) to all other muscles of
phonation
