Spinal Anatomy Flashcards
Foramen Ovale becomes
Fossa Ovalis
Ductus Arteriosus becomes
Ligamentum Arteriosum (bypasses the lung pulmonary trunk
Ductus Venosus becomes
Ligamentum Venosum (bypasses sinusoids of fetal liver)
Umbilical vein becomes
Ligamentum teres (round ligament)
Umbilical artery beomes
medial umbilical ligament
Ectoderm gives rise to all neurons and supporting cells
The neural plate forms the neural groove and houses the _______ _______and brain vesicles
Spinal cord and brain vesicles
Sclerotome —>
Vertebral column (cartilage and bone)
Neural CREST develops into / Neural PLATE develops into
“Don’t be a MOANER, learn your neural plate”
Macroglial cells Oligodendrocytes (type of macroglial) Astrocytes (type of macroglial) Neurons (from CNS) Ependymal Cells Retinal Cells
The rest are Neural Crest, if not on this short list
The endoderm forms the lining of the ______ tube and its associated structures
digestive tube
The Urachus is a remnant of the duct of
allantois
Ventricels are a direct extension of the
Spinal Cord
Branchial Arch aka
Pharyngeal Arch
Mandibular branch of trigeminal is which Pharyngeal arches?
The skeletal structures involved ______, ________
Muscles Involved
“Mmm’s”
1st
Malleolus (Meckel’s cartilage )
Incus (Quadrate cartilage)
Muscles of Mastication and jaw closing muscles
Facial Nerve --> Pharyngeal Arch \_\_\_\_\_ Skeletal Structures (2)
Muscles
2nd
Stapes, Styloid
Facial muscles of expression , jaw opening muscles, stylohyoid, and stapedious (which is smallest muscles in the body)
Glossopharyngeal —> Pharyngeal Arch ______
Skeletal Structure (2)
Muscle (1)
3rd
Cornu and Hyoid
Stylopharyngeus
Superior Laryngeal of Vagus —> Pharyngeal Arch ______
Skeletal Structures (2)
Muscles (3)
4th
Thyroid cartilage
Cricoid Cartilage
Pharyngeal, cricothyroid, and levator palantine muscles
Inferior Laryngeal of Vagus —> Pharyngeal Arch ______
(Recurrent Branch)
Skeletal Structures (3)
Muscle
6th
Arytenoid
Corniculate Cartilage
Cuneiform cartilage
Laryngeal
C1 has no dermatome EVALUATION
C2 back of _______
C3 ______ of neck
C2 back of scalp
C3 nape of neck
The most numerous cell of the CNS, acts like connective tissue, part of Blood brian barrier, and forms scar like tissue post injury
Astrocytes
Oligodendrocytes form
myelin and are th 2nd most numerous
Ependymal cells line the _____ and are ciliated
Also produce _____
CNS
CSF
Gitterzellen is an aka for
microglia cell, which are phagocytes (macrophage)
Types of neurons within the CNS that serve as connectors between two hemispheres
Commissural
Types of neurons within the CNS that serve as connectors within the same hemisphere but different parts
Association
_______ connects lower centers to the cerebral cortex
Projection
The lateral ventricels are separated by the
Septum pellucidum
TEL DI MES MET MY Cranial Nerve Association
TEL DI MES MET MY
1 Tel
2 Di
3,4 Mes
5,6,7,8 Met (4th ventricle)
9,10,11,12 My (4th ventricle)
Mesencephalon (Primary)–> Mesencephalon (2ndary)–>
Midbrain (Cerbral Aqueduct of Sylvius)
Prosencephalon (Primary) —> ___ ___ (Secondary) –> (Structures) _________
Tel (Forebrain)
Di (Anything with thalamus in it and mamillary bodies, retina, and pineal gland)
- Rhombencephalon –> Metencephalon–> Cerebellum and __________
PONS
- Most Common location of cerebral vascular accident
Middle Cerebal Artery
Anteromedial longitudinal artery trunk (AMLAT) is an aka for —— and sends 200 branches into the ventral aspect of the spinal cord
Anterior spinal artery
- Telencephalon include caudate, putamen, globus pallidus and _______ ganglia
Basal ganglia
Mesecephalpon nuclei include subthalamic and
substantia nigra
review circle of willis
review circle of willis
- The corpus striatum (striate body) —> head of caudate and ______
putamen
- The basal ganglia includes the corpus striatum, amygdaloid nucleus and
Claustrum
Atrophy or damage to the basal ganglia can produce
Chorea
Parkinsonism is due to neuronal degeneration of the
substantia nigra
MC cell in cerebellum
Purkinje
Cerebellar Nuclei from medial to lateral and small to large
Flowers Grow Every Day
Fastigial
Globus
Emboliform
Dentate
The main pathway between the thalamus and cortex is through
internal capsule ann corona radiata
CSF in ventricle is approx
25ml
Origin of the adrenal medulla
neural crest
Schwann cells myelinate
the PNS
Oligodendrocytes cells myelinate
the CNS
The joint between the proximal radial/ulna is the
pivot joint aka Trochoid
Which of the following ligaments prevent flexion and extension
IVD
Which of the following is the inferior boundary of the IVF
superior notch of vertebrae below and/or pedicle
Which of the following muscles causes abduction of the eye?
Lateral rectus
Which of the following is NOT part of the occipital triangle
Rectus Capitis MINOR
Which of the following nuclei is associated w/ taste
superior salvitory
CN IV exits through the
SOF
The radial nerve branch is from which of the following cords
Posterior
Which of the following empties the great vein of Galen
Straight Sinus
What is the connection of the 3rd and 4th ventricles
superior aqueduct of sylvius
What vertebral level would typically mark the end of the spinal cord
L1 or L2
Which cord in the brachial plexus controls the extensors of the arm
Posterior
Which of the following structures (muscle, nerve) pierces the parotid gland:
buccinator and CN IX
Thenar atrophy is primarily due to what
Median nerve
Parkinson’s disease affects what tract?
extrapyramidal tract
Anterior displacement of L5 vertebra on sacrum without breakage is called
Spondylolisthesis
Which of the following nerves innervates the outer ear pinna
Greater Auricular
The carotid sinus is innervated by
Vagus
Sympathetics do not effect ______ motility
gastric
Which of the following ligaments connects the tip of the dens to the rim of the occiput
Apical ligament
Which of the following nerves affects pure flexion of the thumb
Median
Thumb “RUM” (Radial-Extension, Ulnar-Abducton, Median-Flexion
What primordial myotome is associated with extension of knee
L4
The foramen of exit for CN1 is
Cribiform Plate
The ligament restricts the dens from moving posterior during flexion
Transverse
Inferior facets of the lumbar vertebra oriented in which plane
Sagittal
Which of the following cells line the blood brain barrier
Ependymal
Where are the cell bodies of the cochlear nerve located
spiral ganglion
Which area of the intervertebral disk is weakest
Posteriorolateral
Vertebral column is derived from
sclerotome
The tentorium cerebelli separates
the cerebral hemisphere and cerebellum
The ear ossicles transmit vibratory motion of the eardrum to the
the oval window
What is a medial rotator aka internal rotation of the arm
subscapularis
Which would you find in the TMJ
articular disk
Avascular component of the eye
Cornea
Hearing Acronym SLIM
Superior Olivatory
Lateral
Inferior Colliculus
Medial Geniculate body of Thalamus