Template:Bat timeline table1: Difference between revisions

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2097 <br />(+/- 199)
2097 <br />(+/- 199)
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| colspan=6|Values are mean n= 2-6, +/- standard deviation, original table contains more detailed data. Thanks to Prof Richard Behringer and Dr Chris J. Creteko Dept. of Molecular Genetics, University of Texas M. D. Anderson Cancer Center, who provided images and stage information on the embryonic development of the ''Carollia perspicillata'' bat.
| colspan=6|Values are mean n= 2-6, +/- standard deviation, original table contains more detailed data.
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Latest revision as of 16:46, 22 May 2018

Embryonic Bat Stages Carollia perspicillata[1]

Stage

Key features

Somites

Age
(dpc)

Uterus diameter
(mm)

Crown-rump length
(mm)

Mass
(mg)

12

Forelimb buds form; tail bud forms; caudal neuropore closes; 3 pharyngeal arches.

21-29

40

5.75
(+/- 0.64)

3.4
(+/- 0.42)

4.3
(+/- 1.7)

14

Retinal pigment; nasal pits; end of somitogenesis; propatagium and plagiopatagium primordia; hindlimb AER.

36-40

44

6.95
(+/- 0.44)

5.35
(+/- 0.24)

24.6
(+/- 3.6)

15

Hand plate and footplate form; lens vesicle; auditory hillocks; premaxillary centers.

46

8.65
(+/- 1.20)

7.45
(+/- 0.92)

56
(+/- 13)

16

Nose-leaf primordium; pinna and tragus form; forelimb digital condensations, uropatagium primordium.

50

12.06
(+/- 1.45)

8.66
(+/- 1.05)

110
(+/- 30)

17

Tongue protruding; cervical flexure straightens; hindlimb interdigit tissue receding; eyes begin to close.

54

13.45
(+/- 1.34)

9.15
(+/- 1.34)

114
(+/- 45)

18

Free thumb; head and body smoother, rounder; eyes half-closed; postaxial flexure at wrist; calcar.

60

16.32
(+/- 0.98)

12.35
(+/- 1.16)

278
(+/- 83)

20

Distal forelimbs overlap over face; head larger; eyelids cover pigmented retina; claw primordia form.

70

20.0
(+/- 3.54)

16.35
(+/- 1.06)

617
(+/- 156)

22

Prominent, triangular nose-leaf; eyelids reopening; wing membranes corrugated; claws pigmented, hooked.

80

23.03
(+/- 2.68)

20.02
(+/- 0.26)

1527
(+/- 208)

24

Fetal period commences; eyes completely open; face and nose-leaf pigmenting.

90

23.53
(+/- 0.64)

21.13
(+/- 0.06)

2097
(+/- 199)

Values are mean n= 2-6, +/- standard deviation, original table contains more detailed data.
  1. Cretekos CJ, Weatherbee SD, Chen CH, Badwaik NK, Niswander L, Behringer RR & Rasweiler JJ. (2005). Embryonic staging system for the short-tailed fruit bat, Carollia perspicillata, a model organism for the mammalian order Chiroptera, based upon timed pregnancies in captive-bred animals. Dev. Dyn. , 233, 721-38. PMID: 15861401 DOI.