Anatomy: Mistakes, Test I Flashcards
What divides the smooth and rough surfaces of right atrium? What is the corresponding outside structure?
Cristal Terminalis.
Sulcus Terminalis.
What is the ligamentum arteriosum and what is it’s embryological origin?
It is a ligament from the top of the pulmonary artery to the descending aorta. It used to be the “Ductus Arteriosis”.
What are the classifications of joints?
- Fibrous- sutures of skull
- Cartilaginous- Primary: epiphyseal plate of long bones, Secondary: Sternal Angle
- Synovial Joints- Uniaxial: Elbow, Biaxial: Wrist, Multiaxial: Shoulder
What is the smooth part of the base of the aorta.
Aortic Vestibule.
What are the roots of the phrenic nerve?
Ventral Rami of C3-C5.
What is the Right Superior Intercostal Vein? What does it drain into?
The 2nd, 3rd and 4th posterior intercostal veins converge to make the Posterior Intercostal Vein. They drain into the azygous vein.
At what level do things pass through the Diaphragm?
T8: Caval Opening, IVC and branches of right phrenic nerve.
T10: Esophageal Hiatus, esophagus and L and R vagus nerves
T12: Aortic Opening, Aorta and Thoracic Duct (for lymph)
Name things on the first rib.
- Scalene Tubercle
2. Subclavian Vein/Artery Groove
At what vertebral level does the trachea end?
T4/5
What artery runs on the posterior side of the sternum? What are its terminal branches?
Internal Thoracic Vein and Artery.
Terminates: 1) Musculophrenic Artery, 2) Superior Epigastric Artery
What innervates the Diaphragm?
Phrenic nerve and lower six intercostal nerves.
Where is the Greater Splanchnic Nerve? From which ganglia is it derived?
The Greater Splanchnic is a thin nerve that runs close to the spine. It is derived from the T5-T9 thoracic ganglia.
Where does the thoracic duct start and where does it train?
Start: L2
Drain: Junction of Left Subclavian and Left Internal Jugular Vein
Where does the Teres Major attach and what innervates it?
Inferior lateral edge of scapula. It is innervated by the lower subscapular nerve.
What goes through the Quadrangular Space?
Poster Circumflex Vein and Artery.
Axillary Nerve.
What passes through the Triangular Space?
Circumflex Scapular Artery
What passes through Triangular Interval?
Profunda Brachii and Radial Nerve
What do your lumbricals do?
Flex MP joint.
Extend IP joint.
What innervates the Adductor Pollicis?
Deep Branch of Ulnar Nerve
Dorsal Interossei
O: Metacarpals
I: Proximal Phalanges
Inv: Deep Branch of Ulnar
Act: Abduct, Fexes MP, Extends IP
What is the function of the Intercostal Brachial Nerve?
Cutaneous sensory to Axilla.
What are the deep flexor muscles of forearm and innervations?
FDP: Ulnar and AIN
Flexor Pollicis Longus: AIN
Pronator Quadratus: AIN
What does the Denticulate Ligament attach to?
Dura Mater
What innervates the Longissimus?
Primary Dorsal Rami
What goes through the spinoglenoid notch?
The suprascapular artery.
What is the specific insertion of the biceps?
Posterior Medial Aspect of Radial Tuberosity
Where do you do a spinal tap on an adult? A newborn?
Adult: between L3-L4
Newborn: between L4-L5
Where does the Conus Medullaris end in an adult? Newborn? 24-weeks and 8-week?
Adult: top of L2
Newborn: bottom of L3
24-weeks: bottom S1
8-weeks: all the way down.
Where does the dural sac end in an adult?
S2
Where does the filum terminale end in an adult?
1st Coccygeal vertebra
