Categorii: Tot - extremidades - notocorda - embrión - formación

realizată de Mack Mip 4 ani în urmă

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PERIODO EMBRIONARIO Semana 3 a 8

Durante el periodo embrionario, que abarca desde la semana 3 hasta la semana 8, se forman todos los sistemas y aparatos del embrión. En la semana 3, el embrión se desarrolla a partir del disco trilaminar, apareciendo la línea primitiva, que es el primer signo morfológico de la gastrulación.

PERIODO EMBRIONARIO
        Semana 3 a 8

PERIODO EMBRIONARIO Semana 3 a 8

Type in the name of the multiple-perspectives text.

Example: Bridge to Terabithia by Katherine Paterson

Esta estapa se da la formacion de todos los aparatos y sistemas del embrión.

Identify an important issue from the text that is being presented from different angles. Type it in.

Example: Jesse's drawing talent.

SEMANA 8
final del periodo embrionario

dedos de manos estan separados

visibles los espacios de separacion entre los rayos digitales de los pies

la eminencia cardial esta presente

aparicion del pexo vascular del cuero cabelludo

los primeros movimientos voluntarios de los miembros

la osificaicon primaria se da en los fémures

muestra caracterisitcas claramente humanas

aun la cabeza es grande y constituye la mitad del embrion

formacion de la region cervical y parpados

la diferencia de sexo aun no es clara

SEMANA 7
cambios considerables en los miembros

modificaciones considerables en las extremidades

distincion de los surcos que daran lugar a los dedos

comunicacion entre el intestino primitivo y el saco vitelino, se reduce al tallo vitelino

herniacion umbilical: el intestino se introduce en el celoma extraembrionario

osificacion de los huesos de las extremidades superiores

la formación del pigmento de la retina

SEMANA 6

Decide on the fourth point of view

Type in the name of the last character whose perspective on the issue you are going to present.

Example: Leslie Burke, Jesse's new next-door neighbor, and best friend.

etapa de reflejos

Point of view

Type in a relevant quote that highlights the character's point of view. Try to follow a citation format: author's name, chapter, and page.

Example: I can't get the poetry of the trees,' he said. She nodded. Don't worry,' she said. You will someday. He believed her.' (Paterson, 4. 24)

muestran movimientos espontaneos

How is the viewpoint introduced in the story?

Choose an answer:

First person point of view - using the personal pronouns 'I' or 'we'Second person point of view - using the personal pronoun 'you'Third person point of view - using the third-person pronouns 'he', 'she' and 'they'Omniscient point of view - an all-seeing observer tells the story

desarrollo de miembros superiores e inferiores

la endidura faríngea aparece los monticuloa auriculares

el surco neural se convierte en meato acustico externo

los monticulos auriculares contribuyen al oido externo

la cavidad abdominal es pequeña para el intestino

hay mas crecimiento cefálico

SEMANA 5

Whose character does the third point of view belong to?

Type in his/her name.

Example: Mr. Aarons, Jesse's father.

cambios en la morfologia corporal minima

What does the character think, say or do that suggests their perspective on the issue?

Type in a quote and try to maintain the citation format.

Example: 'He would like to show his drawings to his dad, but he didn't dare. (...) He'd thought his dad would be pleased. He wasn't. What are they teaching in that damn school? he had asked.' (Paterson, 2.8)

hay mas crecimiento cefálico que otras regiones

formacion del seno cervical

crecimiento del 2do arco faríngeo

la cara establece contacto con la prominencia del corazon

funcion exxcretora provicional

SEMANA 4

Decide on the second point of view

Name the character (it can either be the main character or one of the supporting characters) whose point of view you are presenting.

Example:
Miss Edmunds, Jesse's music teacher.

Estructuras internas y externas quedan establecidas

Type in a quote that points out the character's position about the issue.

Try to follow a citation format: author's name, chapter, and page.

Example: 'She said he was unusually talented, and she hoped he wouldn't let anything discourage him.' (Paterson, 2. 8)

El tubo neural se forma en sentido opuesto al se las somitas

What kind of narration introduces the viewpoint?

Choose an answer:

First person point of view - using the personal pronouns 'I' or 'we'Second person point of view - using the personal pronoun 'you'Third person point of view - using the third-person pronouns 'he', 'she' and 'they'Omniscient point of view - an all-seeing observer tells the story

El arco mandibular es muy notable

inicia el proceso maxilar.

se origina la prominencia cardiaca

se observa 3 arco faríngeos

elevacio destacada debido al prosencefálo

son visibles las placodas óticas

engrosamiento ectodérmicos

eminencia caudal similar a una cola

se establece rudimentos, en especial del sistema cardiovascular

al final de la semana se cierra el neuroporo caudal

SEMANA 3

Decide on the first point of view you are going to present.

Type in the name of the character (it can either be the main character or one of the supporting characters) whose point of view belongs to.

Example: Jesse Oliver Aarons, Jr., the main character of the novel, a fifth-grader living in a rural Southern area.

El desarrollo del embrión a partir del disco trilaminar

Type in a relevant quote that highlights the character's point of view towards
Esta estapa se da la formacion de todos los aparatos y sistemas del embrión..

Try following a citation format: author's name, chapter, and page.

Example: 'Jesse drew the way some people drank whiskey. (...) Lord, he loved to draw. (...) When he was in first grade, he told his father that he wanted to be an artist when he grew up.' (Paterson, 2. 7)

Diferenciación de las 3 capas germinativas

How is the viewpoint introduced in the story?

Choose an answer:

First person point of viewSecond person point of viewThird person point of viewOmniscient point of view

Endodermo

capa germinal mas interna

Da origen: Intestino Hígado Páncreas Pulmones

en la mayor parte de los organos internos

Mesodermo

capa germinal media

Da origen: Sistema Esquelético Musculos Aparato circulatorio Aparato reproductor

Ectodermo

capa germinal mas externa

Da origen: Sistema Nervios Vias respiratorias Epidermis Ojos y oídos internos Tubo digestivo superior

Desarrollo de la Notocorda

celulas mesenquimales se convierte en mesodernmo

las mesenquimales migran cranealmente, formaran el cordon celular

da lugar a la membrana alofaríngea

sube el anmio y la vesicula umbilical

forman areas cardiogénica

la parte proximal persiste como canal neuroenteríco

comunicación entre las cavidades amnióticas y la vesícula umbilical

Aparición de la línea primitiva

What type of narration introduces the viewpoint?

Choose an answer:

First person point of view - using the personal pronouns 'I' or 'we'Second person point of view - using the personal pronoun 'you'Third person point of view - using the third-person pronouns 'he', 'she' and 'they'Omniscient point of view - an all-seeing observer tells the story

Es el 1er signo morfológico de la Gastrulación

se encuentra en la superficie del epiblasto

Simultaneamente se desarrolla el surco primitivo

Se transforma en mesénquima(formara los tejidos d soporte del embrión

Aumenta la longitud en sus extremos se forma el nodo primitivo y la fosita primitiva

Las células mesenquimales migran

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