Brown Algae Anatomy Revisited: Cortex and Medulla Figs. 17.15 in Lee 1999 Cortex Medulla.

Brown Algae Anatomy Revisited:Cortex and Medulla

Figs. 17.15 in Lee 1999Cortex Medulla

Cell Wall

Commercial Use

Cell Wall Components I

Cell Wall Components II

Cell Wall Components III

Fig. 12.5 in Graham et al. 2008

PLASTIDS

Chlorophyll a

6B Carotene Violaxanthin Fucoxanthin

Pigments

Pigment Absorption Spectrum

Chloroplast Origin

Storage Product

(Chrysolaminarin)

Pyrenoid

Cell Division

Semi-Closed Mitosis

Cytokinesis

Fig. 14.23 in Graham et al. 2008

Isomorphic Alternation of Generations(Ectocarpus)

Ectocarpus Ectocarpus

Sporophyte (2n) Gametophyte (n)

Spore (n)

Gametes (n)Zygote (2n)

12Sporophyte

Gametophyte

Pleurilocular Gametangium

Unilocular Sporangium

Female Gametangium Male Gametangium

Pheremone(= Sex Hormone)

(e.g., Ectocarpene)

Ectocarpus

Mixture of Sexual, Asexual Reproduction:Pleurilocular Sporangia

Ectocarpus Summary

Heteromorphic Alternation of Generations(Laminaria)

Sporophyte (2n)

Gametophyte (n)

Gametes (n)Zygote (2n)

Unilocular Sporangium

Gametangia

Sporophyte (2n)

Gametophyte (n)

Fucus(Air Bladders, Receptacles)

Diplontic (2n)Gametes (n)

Zygote (2n)

Conceptacles, Ostiole, Female Gametangia, Male Gametangia

Male Gametangia Female GametangiaGametes (n)

Stramenopiles: Phaeophyceae

1 http://www.botany.ubc.ca/Biol320/ultra/x7.jpg

2 http://www.ccap.ac.uk/news/images/Eu05_EcCaro_10dai_Ex97_bar20microns_ web_000.jpg

3 http://www.greenspirit.org.uk/resources/cellulose.gif

4 http://www.aapspharmscitech.org/articles/pt0803/pt0803051/pt0803051_figure1.jpg

5 http://www.scielo.br/img/revistas/aabc/v77n4/a07fig04.gif

6 http://www.nature.com/nbt/journal/v18/n8/thumbs/nbt0800_888_F4.gif

7 http://www.angelo.edu/faculty/kboudrea/molecule_gallery/04_aromatics/ chlorophyll-a_01.gif8 http://www.botany.ubc.ca/Biol320/ultra/iii1.jpg

9 http://www.ne.jp/asahi/marine/algae/Ectocarpus3.jpg

10 http://io.uwinnipeg.ca/~simmons/2152web/2152/l5fig5.jpg

11 http://image40.webshots.com/40/7/24/93/304372493JEvCwL_ph.jpg

12 http://plantphys.info/organismal/lechtml/images/ectocarpusgam.jpg

27 http://www.holocaust-history.org/auschwitz/zyklonb/Sample3-diatomaceousearth.jpg

13 http://www.dkimages.com/discover/previews/889/85001718.JPG

14 http://www.jochemnet.de/fiu/bot4404/Br_Laminaria_gametophyte.jpg

15 http://upload.wikimedia.org/wikipedia/commons/c/c9/Fucus_vesiculosus_ closeup.jpg

16 http://botit.botany.wisc.edu/images/130/Protista_I/Phaeophyta_Images/ Fucus_Images/Conceptacle_receptacle_MC.low.jpg

17 http://botit.botany.wisc.edu/courses/botany_130/Diversity/ Protista/images/Oogonia.jpg

18 http://api.ning.com/files/y8l6PSTl4ba9-W6ejDMaJKFF30sF6fB6Typ Nupyxdt73eX6CpKCTnrU3WH5-0i1SFxfWQwdcA4KgW2-8xnnpLsU9hHP wX*jz/kelpfish.jpg

Brown Algae Anatomy Revisited: Cortex and Medulla Figs. 17.15 in Lee 1999 Cortex Medulla.

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