Practical Embryology

1 Beginning of Life
      579 Fertilisation
      580-588 Implantation
      581 Zygote

      582 Two cell stage

      583 Four cell stage

      584 Eight cell stage

      585 Sixteen cell stage

      586 Bilaminar embryo

      587 Implanted embryo

      588 15 day embryo
2
Embryo from 0-4 weeks
      590 Unfolded embryo I

      591 Unfolded embryo II

      592 Folded embryo

      593 4 week embryo

3 Embryo from 4-7 weeks
      594 4 weeks embryo

      595 5 weeks embryo

      596 6 weeks embryo

      597 6 weeks embryo

      598 6 weeks embryo

4 Face and Palate

      599 4 weeks face

      600 4 weeks face

      601 5 weeks

      602 6 weeks face

      603 7 weeks face

      604 8 weeks face

5 Tongue and Pharynx
     
605 Pharynx at 6 weeks

      606 Pharynx at 6 weeks face

      607 Tongue at 62/3 weeks

      608 Tongue at 7 weeks (full development)

6 Pharyngeal arches
     
609 Pharyngeal arches at 6 weeks

      610 Premandibular mesoderm
      611 Maxillomandibular mesoderm

      612 Arch I

      613 Arch II

      614 Arch III

      615 Arch IV

      616 Arch VI and caudal arches

      617 Occipital myotomes

      618 Arch I Cartilage

      619 Arch II Cartilage

      620 Arch III Cartilage

      621 Arch IV Cartilage

      622 Arch VI Cartilage

7 Pharyngeal pouches
     
623 Pouches 1 and 2

      624 Pharyngeal pouches 3 & 4

      625 Caudal pharyngeal pouches

8 Heart
     
626 3 weeks heart

      627 3 weeks heart

      628 4 weeks heart

      629 4 weeks heart

      630 5 weeks heart

      631 5  weeks heart

      632 6 weeks heart

9 Internal Development of Heart
     
633 Septum primum heart

      634 Septum secundum heart

      635 Foramen ovale heart

10 Aortic arches
     
636 Segmental Artery stage
      637 Longitudinal anastomoses stage
      638 Adult stage
11
Veins
     
639  Great veins
      640 
Head and neck veins
      641 
Body veins
      642 
Visceral veins
12 Fetal Circulation
     
643 Fetal circulation shortly before birth

13 Gut tube
     
644 Gut at 3 weeks
      645 Gut at 4 weeks
      646 Gut at 5 weeks
      647 Development of spleen
      648 Rotation of midgut loop
      649 Gut at 12 weeks
      650 Pancreatic diverticula at 4 weeks
      651 Pancreatic diverticula
      652 Pancreas at 7 weeks
14 Respiratory tract
      653 Laryngotracheal tube (diverticulum)
      at 5 weeks
      654
Laryngotracheal tube at 5 weeks
      655 Laryngotracheal tube at 6 weeks
      656
Lungs at 24 weeks

15 Brain
     
657 4 weeks brain
      658 5 weeks brain
      659 7 weeks brain
      660 12 weeks brain
      661 16 weeks brain
      662 28 weeks brain

19 Renal system
     
663 Renal system at 5 weeks
      664 Renal system at 12 weeks
16 External genitalia
      665 5 weeks male external genitalia
      666 6 weeks male external genitalia
      667
Female external genitalia at 7 weeks
      668 Female external genitalia at 8 weeks
      669 Male external genitalia at 8 weeks
      670
Male external genitalia at 8 weeks
17 Gonads
     
671 Gonads at 6 weeks
      672 Male gonad at 12 weeks
      673 Female gonad at 12 weeks

18 Reproductive system
     
674 Primitive duct system at 12 weeks
      675 Female reproductive system at 28 weeks
      676 Male reproductive system at 28 weeks
20 Club foot
     
684 Oligodactyly I
      685 Oligodactyly II
      686 Polydactyly I
      687 Syndactyly
      688 Polydactyly II
      689 Talipes equinovarus
      690 Talipes varus
      691 Talipes equinovalgus
      692 Talipes equinus
      693 Talipes cavus
      694 Talipes calcaneus
      695 Talipes valgus
      696 Talipes calcaneovalgus
      697 Talipes calcaneovarus

21 Abnormal facies
      698 Hydrocephalus
      699 First arch syndrome (Hare lip)
      700 Pierre-Robin syndrome (First arch syndromes)
      701 Turner's syndrome
      702 Encephalocoele
      703 Anencephaly
      704 Microcephaly
      705 Patau's syndrome
      706 Teacher-Collins syndrome (First arch syndromes)
      707 Mandibulofacial dysostosis (First arch syndromes)

      708 Down's syndrome
 

 

 

 

 

 



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