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{{Animal icon table}} ...arly development. See also [[K12 Human and Other Animal Development|Humans and Animal Embryology]].

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#REDIRECT [[Lecture - Week 1 and 2 Development]] =Week 1 and 2=

...ing through the human development process in more detail, focussing on key events. [[Media:2018 BGDA Lecture - Development of the Embryo-Fetus 1.pdf|'''2018 Lecture PDF''']]

...er in size. The three extra embryonic spaces (amniotic, primitive yolk sac and chorionic) are present. ...cunae (lakes). Emptying into these maternal lacuna are both uterine glands and spiral arteries held open by trophoblast cells.

[[File:cowcalf.jpg|thumb|Cow and calf]] ...ied extensively due to the commercial applications of cattle both for milk and meat production. There is some variation in the gestation period (279-290 d

'''Australian and New Zealand Association of Clinical Anatomists (ANZACA) Meeting 2012''' ...edu.au Conference Homepage] | [http://medicalsciences.med.unsw.edu.au/news-events/2012/08/anzacaaias-conference SOMS notice] | [[Main Page|Embryology]]

...s system''' (both central and peripheral), the '''epidermis''' of the skin and in the head region specialised '''placodes'''. Development of the epidermis (integumentary) and sensory placodes (sensory) and later development of neural, neural crest, will be covered in future topic

...ans and tissues, most importantly this period is about growth both in size and weight. ...he urogenital system further differentiates between male/female, endocrine and gastrointestinal tract begins to function.

...ge10_neural_sm.jpg|thumb|300px|Neural groove closing to neural tube, early week 4 <br>([[Carnegie_stage_10|Stage 10]])]] ...etal (third trimester)|Relative brain size embryonic (week 4, 5, 6, and 8) and late fetal (third trimester)]]

...y by day development of sytems and features with approximate timing of key events. The staging by "days" relate to in the female presence of a vaginal plug i ...eiler Stages''' divides mouse development into 26 prenatal and 2 postnatal stages.<ref name="The House Mouse">{{Ref-Theiler1972}}</ref>

[[File:Stage_22_image_217.jpg|thumb|300px|Cerebrum development human embryo (week 8, Stage 22)]] # Understand the formation of the brain; grey and white matter from the neural tube.

...xial myotome edge migrates at level of limbs (upper limb first then lower) and mixes with somatic mesoderm. Meanwhile the dermotome continues to contribut ...slide/page] | [http://embryology.med.unsw.edu.au/pdf/ANAT2341L14Limbs6.pdf 6 slide/page]

...laminar and trilaminar embryo formation, development of embryonic cavities and brief understanding of early placenta development. By the end of week 3, segmentation of the trilaminar embryo 3 germ layers has begun:

[[File:Stage20-23_limbs_b.jpg|thumb|500px|Human embryonic limb development ([[week 8]])]] [[File:Limb bud geometry and patterning.jpg|thumb|Limb bud geometry and patterning{{#pmid:20644713|PMID20644713}}]]

...olus is a fissure type embryopathy that involves the upper lip, nasal base and alveolar ridge in variable degrees.'' [[File:Stage18 em11.jpg|thumb|200px|Human Embryo Face ([[Week 7]], Carnegie stage {{CS18}}, 44 - 48 days, CRL 13 - 17 mm)]]

...pdate this online version as it will include full access to molecular data and all animations presented in my talk. Please feel free to contact me at any ...velopment|kidneys]], [[Endocrine - Hypothalamus Development|hypothalamus]] and [[Endocrine - Pituitary Development|pituitary]], it would be perfect."

...the critical measurements of growth are now carried out by [[ultrasound]] and this period ends at [[Birth|birth]]. ...ratory, cardiac, neural) that will still not have their final organization and function determined until after birth.

...pdate this online version as it will include full access to molecular data and all animations presented in my talk. Please feel free to contact me at any ...n development and the principles of implantation, developmental embryology and early pregnancy maintenance.

...eart the atrial shunt (foramen ovale, or historically ''foramen Botalli'') and just outside the heart the pulmonary-aortic arch shunt (ductus arteriosus). ==Human Embryo Development==