Template:Medaka timeline table

From Embryology
Stage Time Event
0 Unfertilized eggs
1 3 min Activated egg
2 Blastodisc
3 1 h 5 min 2 cell
4 1 h 45 min 4 cell
5 2 h 20 min 8 cell
6 2 h 55 min 16 cell
7 3 h 30 min 32 cell
8 4 h 5 min Early morula
9 5 h 15 min Late morula
10 6 h 30 min Early blastula
11 8 h 15 min Late blastula
12 10 h 20 min Pre-early gastrula
13 13 h Early gastrula
14 15 h Pre-mid-gastrula
15 17 h 30 min Mid-gastrula
16 21 h Late gastrula
17 1 day 1 h Early neurula (head formation)
18 1 day 2 h Late neurula (optic bud formation)
19 1 day 3 h 30 min 2 somite
20 1 day 7 h 30 min 4 somite
21 1 day 10 h 6 somite (brain regionalization and otic vesicle formation)
22 1 day 14 h 9 somite (appearance of heart anlage)
23 1 day 17 h 12 somite (formation of tubular heart)
24 1 day 20 h 16 somite (start of heart beating)
25 2 days 2 h 18–19 somite (onset of blood circulation)
26 2 days 6 h 22 somite (development of guanophores and vacuolization of the notochord)
27 2 days 10 h 24 somite (appearance of pectoral fin bud)
28 2 days 16 h 30 somite (onset of retinal pigmentation)
29 3 days 2 h 34 somite (internal ear formation)
30 3 days 10 h 35 somite (blood vessel development)
31 3 days 23 h Gill blood vessel formation
32 4 days 5 h Somite completion (formation of pronephros and air bladder)
33 4 days 10 h at which notochord vacuolization is completed
34 5 days 1 h Pectoral fin blood circulation
35 5 days 12 h at which visceral blood vessels form
36 6 days Heart development
37 7 days Pericardial cavity formation
38 8 days Spleen development (differentiation of caudal fin begins)
39 9 days Hatching
40 1st fry
41
42
43
44
45