Structures Flashcards by Rya Bryan

Splanchnic mesoderm—>

Cardiovascular system

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Sinus venosus—>

SA node

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Vitelline veins—>

Hepatocardiac portion of IVC, hepatic sinusoids

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Left sinus horn—>

Coronary sinus

Oblique Vein of Left Atrium

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Anterior cardinal vein—>

Superior vena cave

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Right venous valve (lower half)—>

Valve of IVC

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Embryonic atrium —>

Pectinate muscle

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Sinus venareum —>

Smooth part of atria

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AV swelling—>

Valve cusp and chordae tendinae

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Embryonic ventricle—>

Papillary muscle

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Bulbous cordis—>

Atrioventricular septum

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Vitelline arteries —>

Celiac trunk, superior and inferior mesenteric arteries

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Lower portion of umbilical vein —>

Ligamentum teres (AKA round ligament)

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Ductus venosus—>

Ligamentum venosum

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Ductus arteriosus—>

Ligamentum arteriosum

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Foramen ovale—>

Fossa ovalis

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Aortic arch 1–>

Maxillary artery

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Aortic arch 2->

Stapedial and hyoid artery

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Aortic arch 3–>

Common carotid

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Aortic arch 4 right —>

Right subclavian

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Aortic arch 4 left —>

Aortic arch

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Aortic arch 6 right—>

Right pulmonary

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Aortic arch 6 left

Left pulmonary artery

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Fossa ovalis from

Foramen ovale

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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