embryology 2
Terms
undefined, object
copy deck
- branchial clefts formed of?
- ectoderm
- branchial arches formed of?
- mesoderm and neural crest (ea w/ own artery, n, cartilage)
- branchial pouches formed of
- endoderm
- 1st branchial pouch derivative
- middle ear cavity, eustachian tube, mastoid air cells
- what derivative 1st cleft
- ext auditory meatus
- 2nd branchial pouch derivative
- tonsil
- 3rd branchial pouch derivative
- dorsal=inferior parathyroid, ventral=thymus
- 4th branchial pouch derivative
- dorsal=superior parathyroid, ventral=calcitonin
- generally 1st arch
- jaw
- generally 1st pouch
- ear
- generally 2nd arch
- face
- generally 2nd pouch
- tonsil
- generally 3 arch
- tongue
- generally 3 pouch
- inferior parathyroid, thymus
- generally 4/6 arch
- larynx
- generally 4/6 pouch
- superior parathyroid, calcitonin
- bones of arch 1
- dorsal=maxillary (maxilla, zyg, temporal), ventral=mandibular (mandible, middle ear)
- bones arch 2
- stapes, styloiod, upper hyoid
- bones arch 3
- lower hyoid
- bones arch 4
- cartilage-thyroid, cricoid, arythroid, corniculate, cunneiform
- muscles arch 1
- mastication (temporalis, masseter, pterygoid), A digastric, mylohyoid, 2T (tensor tympani and tensor palatini)
- nerve arch 1
- 5 (trigeminal V3)
- muscles arch 2
- stylohyoid, stapedius, P digastric, auricular, mscl facial expression
- nerve arch 2
- 7
- muscles arch 4
- cricothyroid, levator palatino, constrictors of pharynx
- nerve of arch 4
- S laryngeal (10)
- muscles of arch 6
- intrinsic larynx EXCEPT cricothyroid
- nerve of arch 6
- recurrent laryngeal
- derivatives of arch 5
- none
- bones of arch 6
- none
- derivatives of aortic arch 1
- part maxillary artery
- derivatives of aortic arch 2
- stapedial, hyoid artery
- derivatives of aortic arch 3
- common carotid a and proximal internal carotid
- derivatives of aortic arch 4
- L=aortic arch, R=prox R subclavian
- derivatives of aortic arch 5
- none
- derivatives of aortic arch 6
- pulmonary artery and ductus arteriosus
- p pit
- neural ectoderm
- CNS neurons
- neural ectoderm
- oligodendro
- neural ectoderm
- astrocytes
- neural ectoderm
- pineal gland
- neural ectoderm
- ANS
- neural crest
- DRG
- neural crest
- celiac ganglion
- neural crest
- schwann
- neural crest
- pia
- neural crest
- dura
- mesoderm
- chromaffin
- neural crest
- enterochromaffin
- neural crest
- melanocytes
- neural crest
- parafollicular
- neural crest
- odontoblasts
- neural crest
- laryngeal cartilage
- neural crest
- adrenal cortex
- mesoderm
- paraxial mesoderm
- axial skel, vol mscls, dermis
- IM mesoderm
- urinary, genital
- lateral mesoderm
- mesothelial covering of visceral organs, inner lining body wall, limbs
- spleen
- mesoderm
- thyroid
- endoderm
- thymus
- endoderm
- pancreas
- endoderm
- deriv of notochord
- nucleus pulposus
- ureteric bud forms
- renal pelvis, calices, CD, ureter
- metanephric meso becomes
- glomerulus and capsule, PCT thru DCT
- role mesonephros
- fxnl for a short while and then completely regresses exc for Mesonephric Duct (Wolffian)
- role pronephros
- non-fxnl, completely regresses