Embryology Mnemonics

Embryology Mnemonics

Mitosis: events at 4 stages  · Prophase, Metaphase, Anaphase, Telophase: Prophase: Chromosomes and spindles are Produced. Metaphase: chromosomes MetAlign themselves. Anaphase: [Ana] divorced or separated. Telophase: Tell-O'Brien his daughter cells are read.

Woffian duct (mesonepric duct! derivatives" #ardener$s %EE&: · !emale: #artner$s  duct, cst · Male: %eminal vesicles E pididmis E "aculator duct &uctus de#erens

Potter syndrome: features POTTE' : Pulmonar hpoplasia Oligohdrominios T$isted s%in &$rin%l s%in T$isted #ace &Potter #acies E(tremities de#ects enal agenesis &)ilateral ' enal

etal alcool syndrome (A%!: features A% A%: acial hpoplasia* ore)rain mal#ormation

Attention de#ecit disorder* Altered "oints %hort stature* %eptal de#ects* %mall +.

Tetrology of allot P'O)e: Pulmonar stenosis ' ight ventricular hpertroph Overriding aorta )entricular septal de#ect

*euroectoderm derivatives *euroectoderm gives rise to: *eurons *euroglia *eurohpophsis  pi*eurol &pineal gland

oregut derivatives  -+ittle Em)ro People &o +i%e %$allo$ing, Producing #as-: +ungs Esophagus Pancreas &uodenum &pro(imal +iver  %tomach Pancreas #all )ladder 

,eart: primitive eart cambers in fetal eart  -The ro%en )ein Al$as %tenoses, ut )eins Are %mooth-:

· The order o# the compartments is: )t )/runcus, bul)us Primitive )entricle Primitive Atrium %inus venosus ·The connections are: ul)otruncal "unction)entriculo)ul)ar #oramen Atrioventricular canal %inuatrial "unction

Tetrology of allot  -Pro)lems O# %mall ,earts-: Pulmonar stenosis Overriding aorta 0entricular %eptal de#ect ,pertroph o# right ventricle

Wee.s /0 10 4 of development: an event for eac  1ee% T2o: ilaminar germ disc. 1ee% Tree: Trilaminar germ disc. 1ee% our: ourlim)s appear.

+ung development pases  -Ever Premature 3hild Ta%es Air-: Em)ronic period Pseudoglandular period 3analicular peroid Terminal sac period Alveolar period

rancial arc giving rise to aorta  -Aor2 #rom our-: Aorta is #rom #ourth arch.

Placenta-crossing substances  -WA*T M ,ot &og-: Wastes Anti)odies *utrients Teratogens Microorganisms ,ormones* ,+0 &rugs

3ranial and spinal neural crest: maor derivatives #AME%: #lial cells &o# peripheral ganglia Arachnoid &and pia Melanoctes Enteric ganglia %ch$ann cells

Tetrology of allot  -3on't &'OP the )a)-: &e#ect &043 ' ight ventricular hpertroph Overriding aorta Pulmonar stenosis

Mesoderm components ME%O&E'M: Mesothelium &peritoneal, pleural, pericardial* Muscle &striated, smooth, cardiac

Em)rologic % pleen* %o#t tissue* %erous linings* %arcoma* %omite Osseous tissue* Outer laer o# suprarenal gland &corte(* Ovaries &ura* &ucts o# genitalia Endothelium ' enal Microglia* Mesenchme* Male gonad

Tetrology of allot  -5,OP2+nternational 5ouse o#  Panca%es-: 5nterventricular septal de#ect ,potroph o# right ventricle Overriding aorta Pulmonar stenosis

Teratogenesis: 2en it occurs TEratogenesis is most li%el during organogenesis22)et$een the: Third and Eighth $ee%s o# gestation.

)itelline duct: closure time )5telline duct normall closes around $ee% )5 o# intrauterine li#e.