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Amphioxus מצגת בנושא אמבריולוגיה: Frog embryo Chick embryo צילומים ועריכה אריאלה וישליצקי Amphioxus :Blastula (w.m) Blastocel מ"מ0.2 Turtox מפרפרט שלX 100 :צולם בהגדלה Frog embryo :blastula stage (m.s) blastocoel Animal pole Black pigment micromeres Vitelline membrane macromeres X100 צולם בהגדלה מ"מ1 Vegetal pole Frog embryo: gastrula stage Dorsal surface Chorda-mesoderm ectoderm מ"מ2 blastocoel Dorsal lip blastopore Archenteron (gastrocoel) anterior posterior ventral lip Yolky endoderm cells Ventral surface X100 בהגדלהwardws צולם מפרפרט של Frog embryo : late gastrula stage (s.s) Chorda-mesoderm ectoderm blastopore Archenteron (gastrocoel) Yolk plug Vitelline membrane Yolky endoderm cells מ"מ2 X 100 בהגדלהcarolina צולם מפרפרט של Frog embryo: neural fold stage (t.s ) Neural groove Neural fold Neural plate notochord endoderm somite mesoderm ectoderm Archenteron = midgut Vitelline membrane Frog embryo : neural tube stage ( t.s ) Neural canal Neural crest Neural tube notochord Archenteron = midgut endoderm mesoderm ectoderm Adhesive gland Chick embryo :6 somite stage (~20h) primitive streak ( באזור הT.S) חתך ectoderm X 40 צולם בהגדלה mesoderm endoderm להגדלת האזור Chick embryo: Primitive streak Primitive fold Primitive streak region ectoderm Primitive groove endoderm mesoderm X400 צולם בהגדלה Chick embryo 6 somite (24h) w.m Anterior neurpore Ectoderm of head fold Prosencephalon (fore brain) Vitelline vein & heart primordia Neural folds beginning to fuse Neural folds splaying out Area pellucida ()מזודרם עוברי 1st somite 6th somite notochord Hensen’s node Primitive streak Area opaca ()מזודרם חוץ עוברי מ"מ1 Carolina מפרפרט שלX 40 :צולם בהגדלה Chick embryo 8-9 somite (30h) w.m Anterior neuropore Fore brain/prosencephalon Ectoderm of head Vitelline vein Mid brain/mesencephalon Hind brain/rhombencephalon מ"מ5 somites Neural fold Lateral plate mesoderm notochord Carolina מפרפרט שלX 40 :צולם בהגדלה Chick embryo 13 somite (33h) w.m Head amniotic fold closed neuropore Fore brain/prosencephalon Optic vesicle Mid brain/mesencephalon Hind brain/rhombencephalon ve n t r ic le heart atrium Vitelline vein מ"מ5 Neural tube somites Carolina מפרפרט שלX 40 :צולם בהגדלה Chick embryo 30 somite (56h) w.m mesencephlon metencephlon myelencephalon diencephlon eye telencephlon Auditory vesicle 1st visceral pouch 2nd visceral pouch מ"מ5 3rd visceral pouch pharynx Truncus arteriosus ventricle atrium amnion כיוון זרימת הדם מפרפרט שלX 40 :צולם בהגדלה Carolina heart Chick embryo 72 h (w.m) מ"מ5 turtox מצולם מפרפרט של Chick embryo 96h ()על גבי החלמון mesencephalon amnion diencephalon epiphysis telencephalon Cerebral hemispher Chick embryo 96h (left side) isthmus metencephalon eye lens myelencephalon ventricle Left auricle Allantoic vesicle Fore limb bud (ruptured) Hind limb bud 13 14 Chick embryo )96h (right side 1 12 11 10 ציינו שמות האברים הממוספרים 2 9 3 4 8 5 6 7