Transverse foramina
True or False: Blood in the pulmonary veins is deoxygenated.
False
True or False: the ventral root is part of the central nervous system
False
What is skeletal muscle originally derived from?
somites
What plane does this picture represent?
Sagittal plane
What is the structure named that is in-between the vertebral body and transverse processes of a vertebrae?
pedicle
What does the Brachiocephalic branch into?
- Right common carotid artery
- Right subclavian artery
Where are somatosensory cell bodies found?
Dorsal root ganglia
What is the connective issue surrounding muscle?
Fascia
The atlas is ___________ to L1 (the first lumbar vertebrae) but the atlas is also ___________ to the occipital bone.
What part of the thoracic vertebrae articulates with the tubercle of the ribs?
Transverse costal facet of the vertebrae
A drop of blood in the cardiac veins goes where next?
Coronary sinus
Is the following nerve pathway correct?
Somatomotor innervation to the spinalis muscle:
Ventral horn --> ventral root --> spinal nerve --> ventral rami --> spinalis muscle
No, would pass through dorsal rami because spinalis is an epaxial muscle.
What are the 3 muscles the Erector spinae consist of (starting from lateral to medial)?
- Illiocostalis
- Longissimus
- Spinalis
What is the unilateral action of the epaxial muscles?
Laterally flex the vertebral column & head/neck
Extreme and abnormal curvature of the thoracic vertebrae results in what condition?
Hyper-Kyphosis
The Bicuspid valve prevents back flow of blood back into the ...
- Left atrium
The cell body of a postganglionic sympathetic neuron that innervates the heart is found where?
Sympathetic trunk
What are all the thoracic body wall muscles that Depress the ribs during expiration?
- Internal intercostal m
- Innermost intercostal m
- Transversus thoracis m
What are the 4 structures that pass through the Diaphragm?
- Inferior vena cava
- Esophagus
- Descending aorta
- Vagus nerve
What part of the entire vertebral column does the spinal cord run through?
Vertebral canal (made up of individual vertebral foramina)
What is the last valve a drop of blood will pass through before it becomes oxygenated?
Pulmonary semilunar valve
Sympathetic Innervation of the lungs would have preganglionic neuron cells located where? (Be specific)
Deep epaxial muscles run ___ (superior/inferiorly) and ____(medially/laterally) from origin to insertion
superior and medially
The Diaphragm is innervated by the ___ nerve originates from ____ (section of vertebral column) spinal roots _, _, _ (specific region within it)
- phrenic
- Cervical
- C3, C4, C5