This website uses cookies to ensure you have the best experience. Learn more

Hormonal Control Of Metamorphosis In Anurans

654 words - 3 pages

Prometamorphosis is characterized by the continued growth, especially of the limbs, and initiation of minor metabolic changes these events is brought about by the developing Thyroid gland, and the sensitivity these tissues have to the Thryroid hormones being secreted.
In Prometamorphic development there is the onset of metamorphic changes, as the concentrations of the hormones involved in metamorphosis significantly change in comparison to the preceding premetamorphic stage, within the Prometamorphosis stage the concentrations of these hormones differ within the sub-stages of this stages. Early Prometamorphosis and Late Prometamorphosis are the names given to the sub-stages within ...view middle of the document...

The Climax the last stage of metamorphosis is climax, is the period of the anurans’ larvae when all the significant changes are made; the anurans lose most of its larval characteristics, physically this stage is initiated by the regression of the larval tail and comes to an end when the tail is completely reabsorbed. There is a surge of Prolactin concentration around mid-climax, this surge is due to the regression of the previously mentioned Aminergic fibres; the prolactin concentration then returns to the low concentration.
The concentration of the prolactin is low in early climax, the concentration of the Thyroid Hormone being secreted it high and in turn instigates the high concentration of the Thyroid Hormone being secreted. However, the concentration of the Thyroid Hormones in the blood plasma is loce
Metamorphosis rely on the secretion of the thyroid hormones to be
In the Climax, metamorphic changes increase rapidly this is the result of the increased TR receptors present...

Find Another Essay On Hormonal Control of Metamorphosis in Anurans

The Dehumanization of Gregor in Kafka's Metamorphosis

713 words - 3 pages The Dehumanization of Gregor in The Metamorphosis In the novella The Metamorphosis, by Franz Kafka, the main character Gregor undergoes a physical transformation from human to bug. Despite this change in appearance, he maintains his human brain as insect tendencies slowly take over his day to day behavior. He maintains his thoughtless state of mind, memories, and inner dialogue during his exterior transformation. Although he maintains his

The Metamorphosis of Holden in The Catcher in the Rye

1302 words - 5 pages The Metamorphosis of Holden in The Catcher in the Rye       Without love and guidance, young people often find themselves lost; unsure of what direction their lives are headed. Such is the case with Holden Caulfield, a character from the novel The Catcher in the Rye by J. D. Salinger. Holden is a sixteen-year old boy who has lost his way. Hold has suffered a great loss, the death of his Brother, Allie.     Holden is

The Metamorphosis of Anne in The Diary of Anne Frank

1340 words - 5 pages The Metamorphosis of Anne in The Diary of Anne Frank        A young girl, Anneliese Marie Frank, receives an empty jar of a diary for her thirteenth birthday, amidst much political strife in her new home country of Netherlands. As a German-born Jew in hiding, Anne will eventually fill her diary with over 2 years of experiences of the Secret Annex. Initially, she makes use of her newfound outlet to exhibit her growing interest to

Comparison of Themes in The Yellow Wallpaper and the Metamorphosis

1047 words - 4 pages Comparison of Themes in The Yellow Wallpaper and the Metamorphosis Charlotte Perkins Gilman's "The Yellow Wallpaper" and Franz Kafka's "Metamorphosis" contain many similarities. They both have the common theme of the deterioration of the main character's life and mind, as well as the theme of the ostracism of outcasts in society. They also both deal with the main characters gaining a freedom through the demise of their previous lives

A Subtle Metamorphosis in The Grapes of Wrath

835 words - 3 pages A Subtle Metamorphosis in The Grapes of Wrath   The spirit of unity emerges as the one unfailing source of strength in John Steinbeck¹s classic The Grapes of Wrath. As the Joad family¹s world steadily crumbles, hope in each other preserves the members¹ sense of pride, of courage, and of determination. A solitary man holds a grim future; with others to love and be loved by, no matter how destitute one is materially

Metamorphosis of Celie in Alice Walker's Color Purple

1102 words - 4 pages Metamorphosis of Celie in The Color Purple   In the book The Color Purple (1982) by Alice Walker, the main character Celie develops from an abused, shy and browbeaten teenage girl into a strong, mature and self-confident woman. This metamorphisis is due to five major factors: Celie observes other successful women, she receives love and appreciation, changes in Celie’s view of God, Celie’s maturation and a bit of luck. As Celie

The Diary of Gregor Samsa in The Metamorphosis

1559 words - 6 pages Statement of Intent While acknowledging that most narratives written in the third person can be adequately revealing, and that a third perspective is sometimes necessary or even essential to the success of a particular narrative; taking into account the context, themes, and symbols of this work, I strongly believe that a personal diary would be imperative if one was seeking to decode some of the underlying emotions, thoughts, and experiences

The Limits of Sympathy in Kafka’s The Metamorphosis

1458 words - 6 pages separation between the two, thus making her feelings far easier to separate. It becomes clear at this point that she feels sympathy no longer needs to be extended to Gregor as he no longer exists all together. Kafka uses her developmental attitude towards the protagonist in order to illustrate how the combined tensions of Gregorꞌs metamorphosis have worked steadily upon the family, to the point of destruction. The family thus establishes that they

Ralph´s Metamorphosis in the Lord of the Flies

1114 words - 5 pages The novel, Lord of the Flies, is a compelling story displaying the metamorphosis of an individual when faced with external and internal conflicts. Ralph is the first character to be introduced in the book. He is the most likeable as he is charming, athletic, and displays strong leadership qualities. However, as the novel progresses, Ralph loses his sense of civilization and undergoes a change in character discovering the evil man is capable of

Metamorphosis of Eliza Doolittle in Pygmalion by George Bernard Shaw

1688 words - 7 pages The Metamorphosis of Eliza Doolittle in Pygmalion by George Bernard Shaw   The benefits of acquiring an education are not limited to the academic aspects often associated with it. Part of the edification it bestows includes being enabled to reach new insight, being empowered to cultivate a new awareness, and being endowed with a new understanding of life and of self. In Bernard Shaw's Pygmalion, Eliza Doolittle experiences this type of

The Truth of Perception in The Metamorphosis by Franz Kafka

1306 words - 6 pages Everyone is entitle to their own opinion on how they view the world and themselves. As the saying goes “ the world is our oyster” and we can choose to live the life we want regardless of how people may see us. People can choose to see someone by their physical appearance or by the concealed emotional underlay, but it can be different to the way we perceive ourselves. The world does not see eye to eye to what we see. In The Metamorphosis written

Similar Essays

Metamorphosis Of The Family In Franz Kafka's The Metamorphosis

1171 words - 5 pages The Metamorphosis of the Family Before the caterpillar can transform into a butterfly, it must go through a metamorphosis. The cocoon in which the caterpillar hibernates is in fact just a conveyance towards another life form. Gregor, in Franz Kafka's novella The Metamorphosis, is similarly a vehicle for such an important transformation, in this case the reformation of his family. The metamorphosis of Gregor facilitates the gradual change

Essay On Metamorphosis Of The Family In Kafka's Metamorphosis

1889 words - 8 pages Metamorphosis of the Family in Kafka's Metamorphosis      In Franz Kafka's Metamorphosis, the nature of Gregor Samsa's reality changes insignificantly in spite of his drastic physical changes. Gregor's life before the metamorphosis was limited to working and caring for his family. As a traveling salesman, Gregor worked long, hard hours that left little time to experience "life." He reflects on his life acknowledging the "plague of

The Theme Of Freedom In Kafka's Metamorphosis

1303 words - 5 pages (including he) had any control. This metamorphosis allows his hidden self to emerge, the self that had been stifled for so many years (Friedman 270). Gregor is no longer the head of the household or the working man, but a creature representing his true personality (Parry 263). Gregor was never really "alive" as the head of the house. Even if he had eventually paid off his family's debt, by that time his life would have been wasted (Friedman 272). But in

Metamorphosis Of Edna In "The Awakening"

788 words - 3 pages In "The Awakening", the protagonist Edna Pontellier undergoes a metamorphosis. She lives in conservative society, a society that restricts sexuality, especially for women of the time. Edna is bound by the confines of a loveless marriage, unfulfilled, unhappy, and closed in like a caged bird. During her summer at Grand Isle she is confronted with herself in her truest nature, and finds herself swept away by passion and love for someone she cannot