Vertebral Column and triangles of the neck Flashcards
Vertebra prominence
C7
Primary curvature
Thoracic and sacral
Cervical vertebra without body
C1
Odontoid process
C2
Vertebral artery is ___ branch of subclavian artery
1st
Heart shaped body
Thoracic vertebra
facet ___:head of ribs
facet ___:tubercle of ribs
Body
Transverse process
No rib articulation
T11, T12
Massive body
Lumbar
Cricoid cart, start of trachea, start of esophagus
C6
Sternal angle, jxn of superior and inferior mediastinum, bifurcation of trachea
T4
Inferior vena cava hiatus
T8
Esophageal hiatus
T10
Aortic hiatus
T12
L1
Upper pole of kidney, SMA, end of spinal cord (adults)
End of spinal cord in NB, IMA, Umbilicus
L3
Motor loss
Lesion in
- Anterior horn (LMNL)
- corticospinal tract (UMNL)
Touch, pain, pressure and temperature
Spinothalamic tract (1-2 level above the lesion, opposite side)
Proprioception
Dorsal column (fasciculus gracilis, fasciculus corneatus)
CST decussate
Medulla
Loss of pain and temperature sensations in the hands and forearm
Syringomyelia
Anterior horn cell lesion
Flaccid paralysis
Poliomyelitis
Neurosyphilis, loss of vibration and position senses
Tabes dorsalis
Both lesion in AH and CST
Amyotrophic lateral sclerosis
Contralateral loss of pain and temperature, ipsilateral loss of proprioception, ipsilateral UMNL and LMNL
Brown-Sequard’s syndrome
Lesion in quadriplegia
C4-C6
Common site of cervical herniation
C5-C6
LP
Skin Superficial fascia Supraspinous lig Infraspinous lig Ligamentum flavum Epidural space Dura mater Arachnoid Subarachnoid space containing CSF
Triangle of auscultation
Latissimus dorsi
Trapezius
Medial border of scapula
Lumbar triangle of petit
Ext. oblique abdom.
Latissimus dorsi
Iliac crest
Lumbar hernia
Skeletal muscles the back derived from
Epimere (somites)
Body wall muscles from
Hypomere (somites)
Head musculature from
Somitomeres
Cardiac muscles from
Visceral/splanchnic mesoderm
Smooth musc of iris and gland from
Ectoderm
Contents of the carotid sheath
Common and internal carotid a.
Internal jugular v.
Vagus n.
Potential source of cardiac infection
Retropharyngeal space
Visceral fascia
Prevertebral fascia
Carotid sheath
Hyoid bone at level of
C3
Innervation of infrahyoid musc
Ansa cervicalis
C1
Level carotid pulse best palpated
T3
Beneath SCM
level of sup. border of thyroid cartilage
Contents of muscular triangle
Thyroid
Parathyroid
Larynx
Contents of supraclavicular triangle
Ext jugular
Subclavian artery
Injury in the occipital triangle
Occipital artery and accessory nerve injury