Last edited by Taran
Thursday, May 14, 2020 | History

2 edition of Cytoplasmic inclusions in cross-activated eggs of teleosts ... found in the catalog.

Cytoplasmic inclusions in cross-activated eggs of teleosts ...

Mary Jane Guthrie

Cytoplasmic inclusions in cross-activated eggs of teleosts ...

by Mary Jane Guthrie

  • 5 Want to read
  • 5 Currently reading

Published .
Written in English

    Subjects:
  • Cells.,
  • Fishes -- Eggs.,
  • Fishes -- Embryology.

  • Edition Notes

    Statementby Mary J. Guthrie ...
    Classifications
    LC ClassificationsQH581 .G8 1922
    The Physical Object
    Pagination1 p. l., [347]-381, [1] p.
    Number of Pages381
    ID Numbers
    Open LibraryOL6684182M
    LC Control Number25025005
    OCLC/WorldCa11945124

    eggs collected being just after the second cleavage. Autopsy was performed during the third day (first day taken as the day when vaginal plug is found). Depending on the time of day and the strain used the stage of the recovered eggs varied from the late 4-cell 8-cel stagel to the late stage, i.e. just preceding the fourth by: Cytoplasmic inclusion Inclusions are considered to be nonliving components of the cell that do not possess metabolic activity and are not bounded by membranes. The most common inclusions are glycogen, lipid droplets, crystals and pigments.

      The timing of cytoplasmic fragmentation in relation to the cell cycle was studied in mature oocytes and early cleavage stages using mouse oocytes and embryos as experimental models. The central approach was to remove the nuclear apparatus, in whole or in part, from non-activated and activated oocytes and early embryos, and follow their response Cited by:   Background. Ligula intestinalis (Linnaeus, ) (Cestoda: Diphyllobothriidea) is a worldwide distributed tapeworm of veterinary importance that affects cyprinid fishes impeding their reproduction by parasitic castration [].This species undergoes a complex three-host life-cycle including a freshwater planktonic copepod, a fish and a piscivorous bird that represents the definitive host [].Cited by: 2.

      Unlike a human egg or ordinary cell, the egg from birds are not filled with cytoplasm to transport nutrients and parts of the cells around, egg white is the "food" for the little chick, and the only cytoplasm in a chicken or bird egg in that sense is within the thousands of cells of the developing bird. Reconstituting eggs: The ethics of cytoplasm donation John A. Robertson, J.D. School of Law, University of Texas at Austin, Austin, Texas A great deal of attention has focused recently on cytoplasm transfers from donor eggs to older women as a means of enabling them to .


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Cytoplasmic inclusions in cross-activated eggs of teleosts .. by Mary Jane Guthrie Download PDF EPUB FB2

The cytoplasmic inclusions of the eggs of teleosts can be most logically interpreted as representing both stages in the metabolic activities of the cytoplasm and end products of such activities.

The mitochondria are the result of the typical cytoplasmic equilibrium with respect to content of phospholipin which is combined with by: Cytoplasmic inclusions in cross-activated eggs of teleosts By Mary Jane Guthrie.

Abstract "Sonderabdruck aus Zeitschrift für Zellforschung und mikroskopische Anatomie, Bd. 2, Heft 3." (PH. D.)--Bryn Mawr College, "Literature cited": p. Mode of access: InternetAuthor: Mary Jane Guthrie. cytoplasm (fig. 2, PI. 17), and in fig. 4, PI. 17, this process of dispersal is seen very near completion.

Later the Golgi bodies come closer and arrange themselves in a perinuclear position in a similar manner to that previously recorded for the eggs of frogs, tortoises, birds, &c. This is the preparatory process. Morphological aspects of protoplasmic and deutoplasmic synthesis in oogenesis of cambarus.

(): Cytoplasmic inclusions in cross-activated eggs of teleosts. Zellforschg Guthrie, M. andSteele, C. (): Storage of food in the eggs and yolk cells J. Morphological aspects of protoplasmic and deutoplasmic synthesis in Cited by: 9.

The cytoplasmic inclusions of the eggs of teleosts can be most logically interpreted as representing both stages in the metabolic activities of the cytoplasm and end products of such activities.

The cytoplasm of ruptured Xenopus frog eggs spontaneously reorganizes into cell-like compartments, according to a study by researchers at the Stanford University School of Medicine. “We were gobsmacked,” said James Ferrell, MD, PhD, professor of chemical and systems biology and of biochemistry.

“If you blend a computer, you'd end up with. Starch (C6H10O5)n: In the cytoplasm, starch remains scattered in the form of particles. These particles are called starch grains. They may be round, oval (potato), polygonal (maize) or spherical (pea) in shape.

The grains are stratified because starch is deposited in layers around a definite point known as hilum. Rearrangement of the Egg Cytoplasm Fertilization can initiate radical displacements of the egg’s cytoplasmic materials.

While these cytoplasmic movements are not obvious in mammalian or sea urchin eggs, there are several species in which these rearrangements of oocyte cytoplasm are crucial for cell differentiation later in : Scott F Gilbert.

The term cytoplasmic inclusions is used to describe foreign substances contained within a cell membrane. It pertains to nutrients, such as proteins, carbohydrates, and lipids, as well as pigment granules.

Other inclusions may be secretory products stored within the cell body, and these can be expelled from the cell through exocytosis. EMBRYOLOGY- LECTURE NOTES DIFFERENT TYPES OF EGGS WITH EXAMPLES mass, surrounded by a small amount of cytoplasm.

A thin cytoplasmic layer covers the surface of the yolk. Fine strands of cytoplasm extend from the peripheral layer to the zone occupied by the nucleus. usual cellular organelles certain other inclusions like yolk, pigments File Size: KB. Cytoplasmic inclusions in fish erythrocytes. Panel 1: EIBS virus in Oncorhynchus tshawytscha.

(A) Peripheral blood smear with single and multiple cytoplasmic erythrocytic inclusion bodies (arrowhead). Scale bar = 5 µm. (B) TEM of a single virus inclusion body.

A Overview of Intermediate Filament–Related Inclusions. Cytoplasmic inclusions consisting of abnormally folded proteins are hallmark lesions of a considerable number of human disorders, also designated as protein aggregation or protein misfolding diseases.

In general, these inclusions consist of a misfolded and aggregated core protein that is associated with a variety of stress proteins.

Cytoplasmic inclusions found in liver and fat cells Glycosomes Cytoplasmic inclusions that store sugar in the form of glycogen, Glucose is broken down and stored as glycogen, then released when it is needed.

Cytoplasmic Inclusions Tarek's Histology. Loading Unsubscribe from Tarek's Histology. Lecture Organelles of the Cytoplasm - Duration: David Bastedo 6, views.

Posts about Cytoplasmic Inclusions written by Avinash Deo. Granulocytes have two types of granules primary and secondary. Primary granules are azurophilic, most numerous and prominent at the promyelocyte stage (see morphology of myeloid precursors) and diminish in number.

Localization of maternal molecules in eggs and embryos and cytoplasmic movements to relocalize them are fundamental for the orderly cellular and genetic processes during early embryogenesis. Ascidian embryos have been known as ‘mosaic eggs’ because of their autonomous differentiation abilities based on localized cell fate by: The last inclusions to appear in the cytoplasm are the yolk granules.

These acidophilic granules contain protein and are found interspersed with the lipid droplets as individual granules. After the migration of the nucleus, during the process of maturation, they also begin to coalesce, ultimately reorganized as a homogeneous mass, around the.

Cytoplasmic inclusions are diverse intracellular non-living substances that are not bound by membranes. Inclusions are stored nutrients, secretory products, and pigment granules. Examples of inclusions are glycogen granules in the liver and muscle cells, lipid droplets in fat cells, pigment granules in certain cells of skin and hair, and crystals of various types.

Start studying Animal Development. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Granulosa cells in the vegetal pole area of the preovulatory medaka follicle. Tall granulosa cells contain a mitochondrial mass (m), dilated endoplasmic reticula (vesicles), and developed Golgi lammellae in the apical region of the cell.

Note the breb-like apices of the granulosa cells which contain many cytoplasmic inclusions. The cytoplasm in the egg has all of the organelles that the zygote (new individual) will need. The sperm only carries DNA into the egg.

All of the organelles must be supplied by the egg. Studies.Histopathologically, high nuclear-to-cytoplasmic ratios, prominent nucleoli, more reticular (less clumped, "clock-face"--appearing chromatin), and the presence of cytoplasmic inclusions are signs of cytologic irregularity indicative of malignancy rather than plasma-cell reactivity.Egg quality in fishes has been a topic of research in aquaculture and fisheries for decades as it represents an important life history trait and is critical for captive propagation and successful recruitment.

A major factor influencing egg quality is proper yolk formation, as most fishes are oviparous and the developing offspring are entirely dependent on stored egg yolk for nutritional Cited by: 5.