Structures Flashcards
Splanchnic mesoderm—>
Cardiovascular system
Sinus venosus—>
SA node
Vitelline veins—>
Hepatocardiac portion of IVC, hepatic sinusoids
Left sinus horn—>
Coronary sinus
Oblique Vein of Left Atrium
Anterior cardinal vein—>
Superior vena cave
Right venous valve (lower half)—>
Valve of IVC
Embryonic atrium —>
Pectinate muscle
Sinus venareum —>
Smooth part of atria
AV swelling—>
Valve cusp and chordae tendinae
Embryonic ventricle—>
Papillary muscle
Bulbous cordis—>
Atrioventricular septum
Vitelline arteries —>
Celiac trunk, superior and inferior mesenteric arteries
Lower portion of umbilical vein —>
Ligamentum teres (AKA round ligament)
Ductus venosus—>
Ligamentum venosum
Ductus arteriosus—>
Ligamentum arteriosum
Foramen ovale—>
Fossa ovalis
Aortic arch 1–>
Maxillary artery
Aortic arch 2->
Stapedial and hyoid artery
Aortic arch 3–>
Common carotid
Aortic arch 4 right —>
Right subclavian
Aortic arch 4 left —>
Aortic arch
Aortic arch 6 right—>
Right pulmonary
Aortic arch 6 left
Left pulmonary artery
Fossa ovalis from
Foramen ovale
Ligamentum venosum from
Ductus venosus
Ligamentum arteriosum
Ductus arteriosus
Ligamentum teres from
Umbilical vein
Valve cusp from
AV swellings
Chordae tendinae from
AV swellings
Inferior vena cava from
Subcardinal vein
Sacrocardinal vein
Vitelline vein
Portal vein from
Vitelline vein
Hepatic sinusoids from
Vitelline vein
Hepatic vein from
Vitelline vein
Hepatocardiac portion of IVC from
Vitelline vein
Medial umbilical ligament from
Umbilical artery
Celiac trunk from
Vitelline artery
Superior and inferior mesenteric artery from
Vitelline arteries
Interventricular septum from
Bulbous cordis
Papillary muscle from
Embryonic ventricle
Smooth muscle wall of atria from
Sinus venareum
Pectinate muscle from
Embryonic atrium
Valve of IVC from
AV swellings
Valve of coronary sinus from
AV swellings
SA node from
Sinus venosus
Cardiovascular system from
Splanchnic mesoderm
Superior vena cava from
Anterior cardinal
Coronary sinus from
Left sinus horn
Maxillary artery from
Aortic arch 1
Stapedial and hyoid artery from
Aortic arch 2
Common carotid from
Aortic arch 3
Right subclavian from
Aortic arch 4 right
Aortic arch from
Aortic arch 4 left
Left pulmonary artery from
Aortic arch 6 left
Right pulmonary from
Aortic arch 6 Right
Proximal portion of the left umbilical vein
No adult derivative
Upper half of right venous valve
No adult derivative
Right umbilical vein
No adult derivative
Left cardinal vein
No adult derivative
Pharyngeal pouch 1 —>
Auditory tube
Pharyngeal pouch 2 —>
Palatine tonsil
Pharyngeal pouch 3 —>
Thymus and inferior parathyroid
Pharyngeal pouch 4 —>
Superior parathyroid
Pharyngeal pouch 5 —>
Ultimobrachial body
Ultimobrachial body —>
C-cells in thyroid
Pharyngeal cleft 1 —>
External acoustic meatus
Pharyngeal cleft 2,3,4 —>
Closed by epicardium ridge
Pharyngeal arches —>
Pharynx
Foregut —>
Esophagus Stomach Duodenum Liver Pancreas Respiratory system
Midgut (cephalic portion) —>
Duodenum
Jejunum
Ileum
Midgut (caudal portion) —>
Ileum
cecum
ascending colon
2/3 of transverse colon
Hindgut —>
Distal 1/3 of transverse colon Descending colon Sigmoid colon Rectum Upper anal canal
Anal canal (caudal part) is derived from
Ectoderm
Anal canal (cranial part) is derived from
Endoderm
Anterior 2/3 of tongue is derived from
First pharyngeal arch
Tuberculin impar
Lateral lingual swellings
Posterior 1/3 of the tongue is derived from
2,3, & 4th pharyngeal arch
Primary tissue coming from 3rd
Copula
Root of the tongue is derived from
4th pharyngeal arches
Thyroid gland develops from
Floor of pharynx at the floor of the tubercular impar and the copula called the
Foramen cecum
Superior parathyroid is derived from
Pouch 5
Inferior parathyroid is derived from
Pouch 3
Frontonasal prominence —>
Bridge of the nose
Forehead
Medial and lateral nasal processes
Merged medial nasal prominences —>
Crest and tip of the nose
Philtrum of the lip
Lateral nasal prominence —>
Alae of the nose
Maxillary process —>
Cheeks
Lateral portion of the upper lip
Mandibular process —>
Lower lip
Intermaxillary segment —>
Philtrum of lip from labial part
Upper Jaw
4 front teeth
Palatial component —>
Primary palate
Palatine shelves —>
Secondary palate
Point of fusion of the intermaxillary segment and two shelves —>
Incisive foramen
Innervation of anterior 2/3 of tongue
Cranial nerve 5 and 7
Innervation of posterior 1/3 of tongue
Cranial nerve 9
Innervation of root of tongue
Cranial nerve 10
Blood supply of anal canal (caudal)
Inferior rectal arteries
Blood supply of anal canal (cranial)
Superior rectal arteries
Blood supply for pharyngeal arches
Aortic arches
Blood supply of foregut
Celiac artery
Blood supply of midgut
Superior mesenteric artery
Blood supply of hindgut
Inferior mesenteric artery
Innervation of pharyngeal arch 1
CN 5
Innervation of pharyngeal arch 2
CN 7
Innervation of pharyngeal arch 3
CN 9
Innervation of pharyngeal arch 4,6
CN 10
Muscles related to pharyngeal arch 1
Muscles of mastication
Muscles related to pharyngeal arch 2
Muscles of facial expression
Muscles related to pharyngeal arch 3
Stylopharyngeus
Muscles related to pharyngeal arch 4&6
Laryngeal muscles
Pharyngeal constrictors
Skeletal aspects of pharyngeal arch 1
Maxilla Zygomatic bone Part of temporal bone Mandible Malleus Incus
Skeletal aspects of pharyngeal arch 2
Stapes
Styloid process
Part of hyoid bone
Skeletal aspects of pharyngeal arch 3
Part of hyoid bone
Skeletal aspects of pharyngeal arch 4&6
Laryngeal cartilages
Urorectal septum is derived from what?
Mesoderm
The anal canal is derived from what?
Distal end of GI tract
Pharyngeal clefts are essentially derived from
Ectoderm
Pharyngeal arches essentially derived from
Mesoderm
Pharyngeal pouches are essentially derived from
Endoderm
Thyroglossal duct is essentially derived from
Mesoderm
Foreman cecum—>
Thyroglossal duct
Thyroglossal duct —>
Lateral portions of thyroid gland
Buccopharyngeal membrane —>
Stomodeum
Stomodeum —>
Mouth
Pharyngeal arch 1 —>
Maxillary and mandibular prominences
Intermaxillary segment forms from
Medial nasal prominence
Hard palate forms from
Maxillary bone and medial nasal swellings
2 upper and next 2 lateral incisors develop from
Intermaxillary segment
Teeth other than front 4 are from
Palatine shelf
Dorsal pancreas —>
Head, neck, body, and tail
Ventral pancreas —>
Uncinate
Umbilical artery —>
Medial umbilical ligaments
Umbilical vein —>
Ligamentum teres hepatic
Ductus venosis —>
Ligamentum venosum
Ductus arteriosus —>
Ligamentum
Right sinus horn —>
Sinus venareum
Right and Left venous valves —>
Septum spurium
Inferior part of right venous valve —>
Valve of IVC, valve of coronary sinus
Septum primum—>
Valve of foramen ovale
Sinus venosus —>
Sinus venareum
Pulmonary vein—>
Smoothed-wall portion of left atrium
Atrioventricular swelling —>
Valve cusp
Cordae tendinae
Anterolateral portion of aorticopulmonary septum —>
Outflow channel of right atrium
Posteromedial portion of aorticopulmonary septum —>
Outflow channel of Left ventricle
Aortic sac —>
Aortic arches
Right and left horn
Right horn of aortic sac—>
Brachiocephalic trunk
Left horn of aortic sac—>
Proximal aortic arch
Dorsal aorta—>
Internal carotid artery
Superior mesenteric vein from
Right vitelline vein
Distal left vitelline vein
Disappears
Ventral pancreatic bud —>
Uncinate process
Main pancreatic duct
Dorsal pancreatic bud—>
Body and tail of pancreas
Main pancreatic duct
Accessory pancreatic duct
Urorectal septum—>
Perineum
Cloaca—>
Urogenital membrane
Anal membrane
Caudal part of anal canal is essentially from
Ectoderm
Caudal 1/3 of anal canal is supplied by
Inferior rectal arteries
Cranial part of anal canal is essentially from
Endoderm
Cranial part of anal canal is supplied by
Superior rectal arteries
What separates the upper and lower portion of the anal canal?
Pectinate line
Copula is from
2,3, and 4th pharyngeal arches
Root of tongue is from
4th arch
Parathyroid glands are from
Pharyngeal pouches
Superior parathyroid glands from
Pouch 4
Inferior parathyroid glands are form
Pouch 3
Nasal placodes —>
Nasal pits
Nasal placodes (after nasal pits)—>
Lateral and medial nasal prominences
Nasolacrimal groove—>
Nasolacrimal duct
Secondary palate from
Palatine shelves of maxillary bone
Palatine shelves + intermaxillary segment is marked by
Incisive foramen
Vitelline artery—>
Celiac artery
Inferior and superior mesenteric arteries
Peritoneum is from
Ventral mesogastrium
Ventral mesogastrium is attached to what
Lesser curvature of the stomach
What supplies blood to liver
Portal vein
The oral cavity forms with the
Pharynx