IMAGES AT THE SEA URCHIN EMBRYOLOGY SITE SPECIFIC TO SEA URCHINS

They can all be found in the http://www.stanford.edu/group/Urchin/GIFS directory

FILE NAME

KB

DESCRIPTION [GS=grey scale, C = color][LM=light microscope, SEM = scanning electron microscope]

1cell.jpg

18

240x240 GS LM

2cell.jpg

15

240x240 GS LM

4cell.jpg

17

240x240 GS LM

8cellsem.gif

55

238x190 GS SEM

bcell.jpg

19

240x240 GS LM

bcell2.jpg

37

379x373 C  darkfield

brite-dark.jpg

22

500x250 GS brightfield vs darkfield

bw-pluteus.jpg

4

145x166 GS phase

cusp.jpg

37

381x348 C  Closeup, spawning female S. purpuratus

e-blast.gif

35

187x176 GS phase of early blastula, 3

fert-m.gif

82

320x240 GS SEM with scale

fert-m.jpg

7

256x192 GS SEM with scale

fossil1.jpg

42

340x256 C  Closeup of 3 fossil urchins

fossil2.jpg

49

320x260 C  Closeup of single fossil urchin

I-meta.jpg

11

282x272 GS phase of isolated metaphase

lantern.JPG

7

112x118 C  Closeup of aristotle's lantern

live-ma.jpg

29

269x319 GS LM of live metaphase

live-pluteus.jpg

7

238x196 C  LM of pluteus

pcell.jpg

19

291x240 GS LM of pluteus

P-test.gif

19

206x204 256 Closeup of S. purpuratus test

p-test.JPG

20

206x204 C  Closeup of S. purpuratus test

sem01.jpg

79

640x480 GS SEM sperm almost entered into egg

sem02.jpg

120

622x470 GS SEM fertilization

sem03.jpg

88

640x480 GS SEM of fertilization

sem04.jpg

74

516x460 GS SEM closeup of sperm on egg

sem05.jpg

109

595x460 GS SEM FE

spermsem.gif

56

256x192 GS SEM closeup of sperm on egg

spermsem.jpg

6

256x192 GS SEM closeup of sperm on egg

spiral.jpg

9

196x187 GS phase if isolateed aster Xtra Lg

test1.JPG

15

223x173 C  Closeup of test

Tubefeetlc.jpg

4

192x157 C  Closeup of L. pictus tubefeet

Tebefeetpc.jpg

10

253x364 C  Closeup of S. purpuratus tubefeet

urchin07.jpg

28

320x240 C  purp in tidepool at MBA exhibit

urchin08.jpg

33

320x240 C  purp on side of glass showing mouth

urchin09.jpg

8

124x124 C  purp, closeup of mouth through glass

urchinbed.jpg

12

317x209 C  tidepool

urchinbed2.jpg

13

209x317 C  tidepool from further back

Please feel free to download and use in your classes.