Embryology Review Flashcards
Sympathetic nerves
neural crest (ectoderm)
Parasympathetic nerves
neural crest (ectoderm)
Paritoneal cavity
intraembryonic coelomic cavity
Pericardial cavial
intraembryonic coelomic cavity
Pleural cavity
intraembryonic coelomic cavity
Dorsal mesentery
Splanchnic mesoderm
Smooth muscle of GI tract
Splanchnic mesoderm
Parietal paritoneum
Somatic mesoderm
Visceral paritoneum
Splanchnic mesoderm
Central tendon of diaphragm
Septum transversum (lateral plate mesoderm)
Posteriorlateral portion of diaphragm
PLeuroparitoneal folds (lateral plate mesoderm)
Crura of the diaphragm
mesoesophagus (dorsal mesentery)
Peripheral skeletal muscles of diaphragm
mesenchymal cells
esophagus
forgut
stomach
forgut
Greater omentum
dorsal mesentery
gastrocolic ligament
dorsal mesentery
gastrosplenic ligament
dorsal mesentery
gastrophrenic ligament
dorsal mesentery
omental bursa (lesser sac)
intraembryonic coelomic cavity
Lesser omentum
ventral mesentery
Hepatoduodenal ligament
ventral mesentery
Hepatogastric ligament
ventral mesentery
Falciform ligament
ventral mesentery
Duodenum
superior and descending= forgut horizontal and ascending=midgut
liver
Hepatic divriticulum (forgut)
gallbladder
Hepatic divriticulum (forgut)
pancreas
dorsal (body and tail) and ventral pancreatic bud (head and uncinate process)
jejunum
midgut
cecum
midgut
ileum
midgut
appendix
midgut
ascending colon
midgut
transverse colon
proximal 2/3= midgut distal 1/3= hindgut
descending colon
hindgut
sigmoid colon
hindgut
rectum
hindgut
internal lining of the bladder
hindgut
internal lining of the urethra
hindgut
spleen
dorsal mesentery
splenorenal ligament
dorsal mesentery
mesentery proper
dorsal mesentery
transverse mesocolon
dorsal mesentery
sigmoid mesocolon
dorsal mesentery
pronephros
intermediate plate mesoderm
mesonephros
intermediate plate mesoderm
metanephros
intermediate plate mesoderm
minor calyces
mesonephric duct (ureteric bud)
major calyces
mesonephric duct (ureteric bud)
renal pelvis
mesonephric duct (ureteric bud)
ureter
mesonephric duct (ureteric bud)
nephrons
metanephros
adrenal cortex
mesoderm
adrenal medulla
ectoderm
anal canal
hindgut (to pectinate line) then ectoderm
external oblique m
mesoderm
internal oblique m
mesoderm
transversus abdominus m
mesoderm
rectus abdominus mm.
mesoderm
trachea
respirtory divriticulum (forgut endoderm)
tracheal cartilage
splanchnic mesoderm
bronchi
respirtory divriticulum (forgut endoderm)
bronchial cartilage
splanchnic mesoderm
alveoli
respirtory divriticulum (forgut endoderm)
alveolar ducts
respirtory divriticulum (forgut endoderm)
heart tube
lateral plate mesoderm
foramen ovale
terminated growth of septum secundum
medial wall of left atrium
septum primum
medial wall of right atrium
septum secundum
Anterioventricular (AV) valves (Tricuspid and bicuspid)
endocardial cushions
membranous part of inter ventricular septum
endocardial cushions
aortic valve
endocardial cushions
pulmonic valve
endocardial cushions
Ligamentum teres hepatis
umbilical vein
ligamentum venosum
ductus venosum
ligamentum arteriosum
dustus arteriosus
fossa ovalis
foramen ovale- visible membrane is from septum primum
boundary of fossa ovalis
septum secundum
aortic arch
Left aortic arch IV
right subclavian a
right aortic arch IV
right pulmonary a
right aortic arch VI
left pulmonary a
left aortic arch VI
Ethmoid bone
chondrocranium
Lesser wing of sphenoid
chondrocranium
Petrosal (otic) part of temporal
chondrocranium
Supraoccipital, Exoccipitals, and basioccipitals of Occipital
chondrocranium
Olfactory
chondrocranium
Frontals
dermatocranium
Parietals
dermatocranium
Pterigoid process of sphenoid
dermatocranium
Squamous and zygomatic parts of temporal
dermatocranium
Postparietal/Interparietal portion of Occipital
dermatocranium
greater wing of sphenoid
splanchnocranium
styloid process of temportal
splanchnocranium
Malleus, incus, and stapes
splanchnocranium
hyoid
splanchnocranium
thyroid
splanchnocranium
Cricoid, and Asytenoid cartilages
splanchnocranium
Merckels cartilage
splanchnocranium
Nasals and superior, middle, and inferior chonchae
splanchnocranium
Maxilla
splanchnocranium
Mandible/dentaries
splanchnocranium
Lacrimals
splanchnocranium
zygomatic/jugals
splanchnocranium
vomer
splanchnocranium
palatines
splanchnocranium
external auditory meatus
splanchnocranium
pharynx
forgut
lungs
forgut
bronchi
forgut
trachea
forgut
What foldings create the gut in the embryo
lateral and cephalo-caudal folding
Derivatives of the intraembryonic coelomic cavity
pericardial cavity, pleural cavity, and peritoneal cavity
List all derivatives of the dorsal mesentary
gastrosplenic lig, gastrophrenic lig, splenorenal lig, gastrocolic lig, mesentery proper, transverse mesocolon, sigmoid mesocolon, mesoesophagus
Derivatives of splanchnic mesoderm
dorsal mesentery, ventral mesentery, visceral peritoneum, smooth muscle of GI tract
Derivatives of somatic mesoderm
parietal peritoneum, septum transversum, pleuroperitoneal folds
Derivative of myoblasts
skeletal muscle of diaphragm
What does the septum transversum form
central tendon
original location of the septum transversum
C3,4,5 (phrenic n.)
What does the mesoesophagus form?
crura of the diaphragm
What are the forgut derivatives in the thorax
pharynx (from pharyngeal pouches), esophagus, and lung buds (includes: layrnx, trachea, bronchi, bronchioles, and terminal alveoli).
Which forgut derivatives in the thorax also have muscle, CT. or cartilage that derived from splanchnic mesoderm?
trachea, bronchi, and lungs (includes alveoli)
Thoracic structures only derived from splanchnic mesoderm
pulmonary vessels
Which forgut derivatives in the thorax also have epithelial linings that derived from forgut endoderm?
layrnx, trachea, bronchi, bronchioles, and terminal alveoli
What are the forgut derivatives in the abdomen
esophagus, stomach, liver, biliary system, pancras, superior and descending duodenum