Anatomy Flashcards
Where are the 3 attachments of the rectus abdominus?
Xiphoid process
Costal margin
Pubis
Where are the 3 attachments of the transverse abdominus?
Deep aspects of the lower ribs
Iliac crest
Thoracolumbar fsacia of the lower back
Where are the 3 attachements of the internal oblique?
Inferior border of the lower ribs
Iliac crest
Thoracolumbar fascia of the lower back
Where are the 3 attachments of the external oblique?
Superficial aspects of the lower ribs
Iliac crest
Pubic tubercle
Where does the diaphragm attach?
Sternum
Ribs/cartilage 7-12
L1-L3 vertebrae
Which two cranial nerves are involved in sneezing?
CNV and CNIX
Which two cranial nerves are involved in coughing?
CNIX and CNX
Where is the isthmus of the thyroid located?
Costal cartilages 2-4
Where does the trachea terminate?
T5/6
Where is the landmark for the divide between the superior and inferior mediastinum?
Sternal angle
Where are the attachments for pectoralis major?
Sternum
Ribs
Humerus
Where are the attachments for the sternocleidomastoid?
Sternum
Clavicle
Mastoid process of the temporal bone
Where are the attachments for pectoralis minor?
Ribs 3-5
Scapula
Where are the attachments for scalenus anterior?
Ribs 1-2
Cervical vertebrae
Which CN is involved in vocal cord movement?
CNX
What is the rectus sheath formed from?
Aponeurosis of the internal and external obliques, and the transverse abdominus
Which type of pleura makes up the majority of the pleura?
Costal pleura
What is the name of the tissue that splits the rectus abdominus into smaller quadrate muscles?
Tendinous intersections
Where do the anterior intercostal spaces drain to?
Internal thoracic vein
Where do the posterior intercostal spaces drain to?
Azygous vein
What is the route of the phrenic nerve?
Descends through the neck on the anterior surface of the scalenus anterior, descends through the chest on the lateral aspects of the fibrous pericardium, then anterior to the lung root
The anterior rami of which vertebrae supply the intercostal muscles?
T1-T11
‘Winged scapula’ occurs due to damage to which nerve?
Long thoracic nerve
The trachea bifurcates where?
Sternal angle (costal cartilage 2)
In which division of the mediastinum is the thymus located?
Anterior
What replaces the thymus in adulthood?
Adipose tissue
Where does the azygous vein drain to?
SVC
What is the septomarginal trabecula?
A band of heart tissue found in the RV, which carries fibres of the right bundle branch to the papillary muscle of the anterior cusp
Visceral afferents enter the cervical ganglia where?
T1-T5
Where in the mediastinum is the ligamentum arteriosum loacated?
Left mediastinum
At what position is pericardiocentesis carried out?
5th ICS, next to the sternum at the infrasternal angle
Which chamber of the heart forms most of the base?
LA
In which groove does the circumflex artery lie?
Left atrioventricular groove
APs arriving where are somatosensory?
Postcentral cyrus of the parietal lobe
APs arriving where are somatomotor?
Precentral cyrus of the frontal lobe
Which three structures pass through the aortic hiatus?
Aorta
Azygous vein
Thoracic duct
Where is the transverse thoracic plane?
Sternal angle to T4/5
How can somatic pain be described? Where is it most likely to originate from?
Sharp and well localised
From muscles, bones and joints
How can visceral pain be described? Where is it most likely to originate from?
Dull and poorly localised
From organs and vessels
What is the name of the space used to identify the great vessels?
Transverse pericardial sinus
Where is the thoracic inlet between?
T1
Rib 1
Jugular notch
Does the thoracic aorta pass posterior or anterior to the left lung root?
Posterior
Which part of the duodenum is intraperitoneal?
Superior
At which level of the aorta do gonadal arteries branch off?
L2
What are the four types of tastebud?
Vallate
Filliform
Fungiform
Foliate
What are the three arteries contained in the spermatic cord?
Cremasteric
Deferential
Testicular
Through what does the pudendal nerve exit the pelvis/enter the perineum?
Exits the pelvis via the greater sciatic foramen
Enters the perineum via the lesser sciatic foramen
Which salivary gland produces the most?
Submandibular
Where is faeces held until it is appropriate to defecate?
Rectal ampulla
Between which two veins is the anastamosis around the umbilicus?
Epigastric
Para-umbilical
What secretes saliva from the submandibular gland?
Lingual caruncle
Which CN supplies the posterior 1/3 of the tongue?
Glossopharyngeal
Where does the superior rectal vein drain to?
IMV
At what level is the rectosigmoid junction?
S3
What is the arterial/venous supply below the pectinate line?
Internal iliac artery/vein
What is the arterial/venous supply above the pectinate line?
IMA/IMV
Which two arteries anastaomose on the lesser curvature of the stomach?
L and R gastric
Which two arteries anastamose on the greater curvature of the stomach?
L and R gastro-omental
Which nerve supplies the muscles of mastication?
CN V3
Which ligaments run within the lesser omentum?
Hepatoduodenal and hepatogastric
Where does primary saliva secretion occur?
Acinar cells
Which CNs supply the upper/lower oral caviities?
CNV2 = upper CNV3 = lower
What is the other name for the omental foramen?
Foramen of Winslow
Where are the attachments of the masseter?
Angle of the mandible to the zygomatic arch
Where are the attachments of the temporalis?
Coronoid process of the mandible to the temporal fossa
Where are the attachments of the lateral pterygoid?
Condyle of the mandible to the pterygoid plate of the sphenoid
Where are the attachments of the medial pterygoid?
Angle of the mandible to the pterygoid plate of the sphenoid
The anastamosis at the rectum/anus is between which two veins?
IMV and internal iliac veins
The internal longitudinal muscles of the pharynx are innervated by which CNs?
CNIX and CNX
The external circular muscles of the pharynx are innervated by which CNs?
CNX
What is the route of drainage for the IMA?
IMA to splenic vein to hepatic portal vein
Which salivary gland(s) are supplied by CN IX?
Parotid
Which salivary gland(s) are supplied by CN VII?
Sublingual/submandibular
Compared to the ileum, describe the vasa rectae and number of arcade of the jejunum.
Jejunum has longer vasa rectae and fewer arcades
What is the relationship between the common bile duct and the first part of the duodenum?
CBD is posterior
Which has more circular folds, the ileum or jejunum?
Jejunum
Internal iliac nodes drain where?
Inferior pelvic structures
External iliac nodes drain where?
The lower limb and superior pelvic structures
Is the spleen intra- or retroperitoneal?
Intraperitoneal
What is the level of the cricopharyngeal sphincter?
C6
What are the levels of nerves associated with the foregut?
T6-T9
What are the levels of nerves associated with the midgut?
T8-T12
What are the levels of nerves associated with the hindgut?
T10-T12
The anastamosis at the distal end of the oesophagus is between which two veins?
Azygous and hepatic portal
At which level does the aorta bifurcate into the common iliacs?
T4
What are the main 3 branches of the IMA?
Left colic
Sigmoid arteries
Superior rectal artery
What are the fatty projections on the colon called?
Omental appendages
What are the 3 bands of longitudinal muscle on the colon called?
Tenaie coli
What are haustra?
Pouches which give the colon its segmental appearance
Which anal sphincter is controlled by sympathetics?
Internal
Which two structures does the pudendal nerve cause to constrict?
External anal sphincter and the puborectalis
What is the anastamosis between the SMA and IMA called?
Marginal artery of Drummond
What are the three main areas of the spleen?
Renal
Gastric
Colic
What are the main three constrictions of the oeophagus?
Cervical
Thoracic
Diaphragmatic
Which muscle opens the mouth?
Lateral pterygoid
In which section of the gut are the liver and gallbladder?
Foregut
At which level do the renal arteries branch off the aorta?
L1