File:HHstage1-4.jpg: Difference between revisions
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==Hamburger Hamilton Stages 1-4== | ==Hamburger Hamilton Stages 1-4== | ||
<gallery> | |||
File:HHstage1.jpg|stage 1 | |||
File:HHstage2.jpg|stage 2 | |||
File:HHstage3.jpg|stage 3 | |||
File:HHstage4.jpg|stage 4 | |||
</gallery> | |||
{| | {| | ||
! colspan=3|[[Hamburger Hamilton Stages|Hamburger Hamilton Stages (1951)]] | ! colspan=3|[[Hamburger Hamilton Stages|Hamburger Hamilton Stages (1951)]] |
Latest revision as of 16:50, 2 June 2017
Hamburger Hamilton Stages 1-4
Hamburger Hamilton Stages (1951) | ||
---|---|---|
3.5-4.5 hr | Shell membrane of egg formed in isthmus of oviduct | |
Germ wall formed from marginal periblast | ||
4.5-24.0 hr | Shell of egg formed in uterus | |
Preprimitive streak (embryonic shield) | ||
6-7 hr | Initial primitive streak, 0.3-0.5 mm long | |
12-13 hr | Intermediate primitive streak | |
18-19 hr | Definitive primitive streak, ±1.88 mm long |
- HH Links: stage 1-4 | stages 5-10 | stages 11-14 | stages 15-18 | stages 19-21 | stages 22-25 | stages 26-28 | stages 29-32 | stages 33-35 | stages 36-37 | stages 38-39 | stages 40-41 | stages 42-43 | stages 44-45 | Hamburger Hamilton Stages
Hamburger Hamilton Stages (1951) | ||
---|---|---|
3.5-4.5 hr | Shell membrane of egg formed in isthmus of oviduct | |
Germ wall formed from marginal periblast | ||
4.5-24.0 hr | Shell of egg formed in uterus | |
Preprimitive streak (embryonic shield) | ||
6-7 hr | Initial primitive streak, 0.3-0.5 mm long | |
12-13 hr | Intermediate primitive streak | |
18-19 hr | Definitive primitive streak, ±1.88 mm long | |
19-22 hr | Head process (notochord) | |
23-25 hr | Head fold | |
23-26 hr | 1 somite; neural folds | |
ca. 23-26 hr | 1-3 somites; coelom | |
26-29 hr | 4 somites; blood islands | |
29-33 hr | 7 somites; primary optic vesicles | |
ca. 33 hr | 8-9 somites; anterior amniotic fold | |
33-38 hr | 10 somites; 3 primary brain vesicles | |
40-45 hr | 13 somites; 5 neuromeres of hindbrain | |
45-49 hr | 16 somites; telencephalon | |
48-52 hr | 19 somites; atrioventricular canal | |
ca. 50-52 hr | 20-21 somites; tail bud | |
50-53 hr | 22 somites; trunk flexure; visceral arches I and II, clefts 1 and 2 | |
ca. 50-54 hr | 23 somites; premandibular head cavities | |
50-55 hr | 24-27 somites; visceral arch III, cleft 3 | |
51-56 hr | 26-28 somites; wing bud; posterior amniotic fold | |
52-64 hr | 29-32 somites; leg bud; epiphysis | |
3 da | 30-36 somites extending beyond level of leg bud; allantois | |
3.0-3.5 da | 37- 40 somites extending into tail; maxillary process | |
3.0-3.5 da | 40-43 somites; rotation completed; eye pigment | |
3.5 da | 43-44 somites; visceral arch IV, cleft 4 | |
3.5-4.0 da | Somites extend to tip of tail | |
4 da | Dorsal contour from hindbrain to tail is a curved line | |
4.5 da | Toe plate | |
4.5-5.0 da | Elbow and knee joints | |
5 da | 1st 3 toes | |
5.0-5.5 da | Beak | |
5.5-6.0 da | 3 digits, 4 toes | |
6.0-6.5 da | Rudiment of 5th toe | |
6.5-7.0 da | Feather germs; scleral papillae; egg tooth | |
7.0-7.5 da | Web between 1st and 2nd digits | |
7.5 da | Anterior tip of mandible has reached beak | |
7.5-8.0 da | Web on radial margin of wing and 1st digit | |
8 da | Nictitating membrane | |
8.5-9.0 da | Phalanges in toes | |
10 da | Length of 3rd toe from tip to middle of metatarsal joint = 5.4 ±0.3 mm; length of beak from anterior angle of nostril to tip of bill = 2.5mm; primordium of comb; labial groove; uropygial gland | |
11 da | Length of 3rd toe = 7.4 ±0.3mm; length of beak = 3.0 mm | |
12 da | Length of 3rd toe = 8.4 ± 0.3 mm; length of beak = 3.1 mm | |
13 da | Length of 3rd toe = 9.8 ± 0.3 mm; length of beak = 3.5 mm | |
14 da | Length of beak = 4.0 mm; length of 3rd toe = 12.7 ± 0.5 mm | |
15 da | Length of beak from anterior angle of nostril to tip of upper bill = 4.5 mm; length of 3rd toe = 14.9 ± 0.8 mm | |
16 da | Length of beak = 4.8 mm; length of 3rd toe = 16.7 ± 0.8 mm | |
17 da | Length of beak = 5.0 mm; length of 3rd toe = 18.6 ± 0.8 mm | |
18 da | Length of beak = 5.7 mm; length of 3rd toe = 20.4 ± 0.8 mm | |
19-20 da | Yolk sac half enclosed in body cavity; chorio-allantoic membrane contains less blood and is "sticky" in living embryo | |
20-21 da | Newly-hatched chick | |
Hamburger V. and Hamilton HL. A series of normal stages in the development of the chick embryo. (1951) J Morphol. 88(1): 49-92. PMID 24539719 PDF Original 1951 paper (and all data) was republished in 1992. <pubmed>1304821</pubmed> PDF |
Reference
Hamburger V. and Hamilton HL. A series of normal stages in the development of the chick embryo. (1951) J Morphol. 88(1): 49-92. PMID 24539719 PDF
Cite this page: Hill, M.A. (2024, June 15) Embryology HHstage1-4.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:HHstage1-4.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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File usage
The following 56 pages use this file:
- ANAT2341 Lab 10
- ANAT2341 Lab 7
- Hamburger Hamilton Stages
- File:HHstage1-4.jpg
- File:HHstage1.jpg
- File:HHstage10.jpg
- File:HHstage11-14.jpg
- File:HHstage11.jpg
- File:HHstage12.jpg
- File:HHstage13.jpg
- File:HHstage14.jpg
- File:HHstage15-18.jpg
- File:HHstage15.jpg
- File:HHstage16.jpg
- File:HHstage17.jpg
- File:HHstage18.jpg
- File:HHstage19-21.jpg
- File:HHstage19.jpg
- File:HHstage2.jpg
- File:HHstage20.jpg
- File:HHstage21.jpg
- File:HHstage21a.jpg
- File:HHstage22-25.jpg
- File:HHstage22.jpg
- File:HHstage23.jpg
- File:HHstage24.jpg
- File:HHstage25.jpg
- File:HHstage26-28.jpg
- File:HHstage26.jpg
- File:HHstage27.jpg
- File:HHstage28.jpg
- File:HHstage29-32.jpg
- File:HHstage29.jpg
- File:HHstage3.jpg
- File:HHstage30.jpg
- File:HHstage31.jpg
- File:HHstage32.jpg
- File:HHstage33-35.jpg
- File:HHstage33.jpg
- File:HHstage34.jpg
- File:HHstage35.jpg
- File:HHstage36-37.jpg
- File:HHstage36.jpg
- File:HHstage37.jpg
- File:HHstage4.jpg
- File:HHstage40-41.jpg
- File:HHstage42-43.jpg
- File:HHstage44-45.jpg
- File:HHstage5-10.jpg
- File:HHstage5.jpg
- File:HHstage6.jpg
- File:HHstage7.jpg
- File:HHstage8-.jpg
- File:HHstage8.jpg
- File:HHstage9.jpg
- Template:HHstage links