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Red nucleus

red nucleus

A distinctive oval nucleus (pink in fresh specimens because of an iron-containing pigment in many of the cells) centrally placed in the upper mesencephalic reticular formation. It receives fibres from the deep cerebellar nuclei and cerebral cortex and projects fibres to the cerebellum, brainstem, spinal cord, and probably to the thalamus. The nucleus is divided into two regions: pars magnocellularis and pars parvocellularis.

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Animal cell nucleus shape changes

... to almost everything in biology. For example, in many cells the nucleus also changes in shape when the cell matures. This is well evident ... follows a defined and controlled pathway). Another good example is the red blood cell, who has a nucleus in immature stages (erythroblast) but completely ...

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by biohazard
Mon Nov 12, 2012 2:04 pm
Forum: Cell Biology
Topic: Animal cell nucleus shape changes
Replies: 7
Views: 9491


... Otherwise how could they replicate? Or do white blood cells turn to red when they age? Immature red blood cells each contain a nucleus, containing DNA. However, upon maturation they then lose their nuclei (due to certain ...

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by IceIcebaby
Thu May 17, 2012 1:05 pm
Forum: Genetics
Topic: DNA analysis
Replies: 21
Views: 16318

Reading Blood under a microscope

1) Yes, red blood cells. :) 2) Stacks of red blood cells, as Jack said. They are called rouleaux, ... efficiently in capillaries. 3) Almost certainly a neutrophil; the dots are lobes of the nucleus. Neutrophils are the most common type of white blood cell. Other things you might ...

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by AstraSequi
Thu Feb 09, 2012 7:20 am
Forum: Human Biology
Topic: Reading Blood under a microscope
Replies: 5
Views: 5874

Reading Blood under a microscope

1) may be red cells (I really don't know well) 2)red cells lined together 3)Leucocytes(white blood cells) (dots may be the nucleus if it) :roll:

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by Sahanaah
Tue Jan 31, 2012 6:50 am
Forum: Human Biology
Topic: Reading Blood under a microscope
Replies: 5
Views: 5874

Origin Of Male/Female Gender

... to swim in a coordinated fashion. The individual alga also have small red eye spots. The colonies even have what we could call a front and rear ... complete plasma membranes that separate them from one another. The nucleus and cytoplasm are completely enclosed in a plasma membrane later, ...

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by GaryGaulin
Sat Jan 09, 2010 7:56 am
Forum: Evolution
Topic: Origin Of Male/Female Gender
Replies: 1
Views: 9671
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