Dictionary » S » Sporangia

Sporangia

Clusters of spore cases, also called sori. Appear as brown spots on the under sides of leaves. Found on sporophyte ferns.


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The Fiber Disease

... Medical Center, Phoenix, Arizona Available online 11 May 2005. ScienceDirect - Heart & Lung: The Journal of Acute and Critical ... The sporangia C. immitis and R. seeberi are related fungi, and there is considerable similarity in their histologic appearance (Fig 1). In fact, R. seeberi ...

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by Frank N Stein
Sat Jan 06, 2007 4:41 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 749178

The Fiber Disease

... sequences. Although we describe early trophocytes with mitochondrial cristae having vesicular ultrastructure, other investigators have found sporangia with mitochondrial cristae having a flat ultrastructure[19]. The different mitochondrial morphologies observed may be due to differences in ...

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by al
Mon Dec 25, 2006 1:39 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 749178

Homosporous and Heterosporous plants.....help! + generations

Yes, Marsileidae and Salvinidae are water ferns that has spores differentiated into micro- and macrospore. They have also very interesting sporangia-bearing creations (sporocarpia). Try to find some more sophisticated info about them, because they are really worth it.

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by SU_reptile
Thu Nov 02, 2006 1:44 pm
 
Forum: Botany Discussion
Topic: Homosporous and Heterosporous plants.....help! + generations
Replies: 5
Views: 3321

Hello! I am a bit confused by the liverwort gemma and the

Thati's sort of easy thing. Spores are produced by sporophyte in sporangia by means of meiosis in order to give life to new gametophyte (haploid phase) that is dominating phase in all bryophytes life cycles (that's why they are so characteristic among higher ...

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by SU_reptile
Tue Oct 03, 2006 8:58 am
 
Forum: Botany Discussion
Topic: Hello! I am a bit confused by the liverwort gemma and the
Replies: 3
Views: 1013

help!

the answer to 1st must be II and I in some cases. in 3rd question,the answer maight be II as the spores are borne in sporangia and not directly in hyphae.

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by rg
Fri May 05, 2006 11:42 am
 
Forum: Microbiology
Topic: help!
Replies: 2
Views: 824
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