Embryology Flashcards
Pharyngeal Arch 1 - origin of which muscles?
Muscles of mastication: anterior belly of digastric, mylohyoid, tensor tympanii, tensor veii palatini
Pharyngeal Arch 1 - origin of which MSK anatomy?
Maxilla, mandible, zygoma, part of temporal bone, incus and malleus, sphenomandibular ligament
Pharyngeal Arch 1 - origin of which nerves?
Trigeminal nerve - V2 and V3
Pharyngeal Arch 2 - origin of which muscles?
Muscles of facial expression: buccinator, platysma, stapedius, stylohyoid, post belly of digastric
Pharyngeal Arch 2 - origin of which MSK anatomy?
Stapes, temporal styloid process, hyoid, stylohyoid ligament, reichert’s cartilage
Pharyngeal Arch 2 - origin of which nerves?
Facial nerve
Pharyngeal Arch 3 - origin of which muscles?
Stylopharyngeus
Pharyngeal Arch 3 - origin of which MSK anatomy?
inferior parathyroids, hyoid
Pharyngeal Arch 3 - origin of which nerves?
Glossopharyngeal nerve
Pharyngeal Arch 4 - origin of which muscles?
Cricothyroid
Pharyngeal Arch 4 - origin of which MSK anatomy?
Thyroid cartilage, superior parathyroids, epiglottic cartilage
Pharyngeal Arch 4 - origin of which nerves?
Vagus, sup laryngeal
Pharyngeal Arch 6 - origin of which muscles?
Intrinsic muscles of larynx except cricothyroid
Pharyngeal Arch 6 - origin of which MSK anatomy?
Cricoid cartilage, arytenoid cartilages, corniculate cartilage, cuneiform cartilage
Pharyngeal Arch 6 - origin of which nerves?
Vagus, recurrent laryngeal
Foregut - origin of which structures?
Oesophagus to proximal half 2nd part duodenum
Liver
Gall Bladder
Spleen
Pancreas
Lower Resp tract
Innervation of foregut structures?
T5 to T9
Blood supply of foregut?
Coeliac Trunk
Midgut - origin of which structures?
Distal half of 2nd part of duodenum to proximal 2/3 of transverse colon
Innervation of midgut?
T10 and T11
Blood supply to midgut?
Superior Mesenteric Artery
Hindgut - origin of which structures?
Distal 1/3 of transverse colon to anal canal
Innervation of hindgut
T12 and L1
