ANAT2341 Lab 3: Difference between revisions

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=Trilaminar Embryo to Early Embryo=
Please note the different location for this week’s practical class: Wallace Wurth Teaching Lab 120.


{{ANAT2341Lab3}}
== Introduction ==
PRACTICAL CLASS PROGRAM:
The first laboratories covered gametogenesis, fertilization, implantation and early events of embryonic development. The third week (Clinical week 5 LMP) is the begining of the embryonic period which continues through to week eight.
* Weekly Quiz + revision (15 minutes)
* Practical class activities (90 minutes)
* Practical Class Revision (15 minutes)


This laboratory will look at the third to fourth week of  human development (stage 7 onward). We will be using a range of online materials and resources to explore these topics. The laboratory will also allow time for work on the group online project. Note that during this time the conceptus cells not contributing to the embryo are contributing to placental membranes and the early placenta.
PRACTICAL CLASS ACTIVITIES
# Fertile egg dissections
# Whole body regeneration in planarians
# (There will be back up activities available if required)


The best way of beginning to understand the sequence is by considering the "stages" of development in relation to age (in days or weeks). Stages are based on the external and/or internal morphological development of the vertebrate embryo, and are not directly dependent on either age or size.  
LEARNING OBJECTIVES:
* Understand the process of gastrulation, and being able to identify the defining structures in the chicken embryo.
* Understand early neurulation, mesoderm and heart development, and being able to identify the defining structures in the chicken embryo.
* Understand the regeneration process of planarians following amputation and being able to identify blastema formation, antero-posterior (A/P) and dorsal-ventral (D/V) axes conservation, eye regrowth, re-pigmentation of the regenerated tissues, and worm behavior.


Historically, the human embryonic period proper is divided into 23 Carnegie stages and criteria beyond morphological features include age in days, number of somites present, and embryonic length have sometimes been included in the stage descriptions. These stages are also shown in the movie [[Embryonic_Development|Carnegie stage human growth through embryonic period]].
PRACTICAL CLASS NOTES:
 
The practical class notes are available on [https://moodle.telt.unsw.edu.au/mod/url/view.php?id=2398855 Moodle]
==Objectives==
 
# Understand the conceptus changes during week 3 and 4.
# Understand the process of gastrulation and the trilaminar embryo.
# Understand the development of the germ layers: mesoderm and ectoderm.
# Identify abnormalities associated with this period of development.
 
 
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Latest revision as of 17:47, 30 September 2019

Please note the different location for this week’s practical class: Wallace Wurth Teaching Lab 120.


PRACTICAL CLASS PROGRAM:

  • Weekly Quiz + revision (15 minutes)
  • Practical class activities (90 minutes)
  • Practical Class Revision (15 minutes)

PRACTICAL CLASS ACTIVITIES

  1. Fertile egg dissections
  2. Whole body regeneration in planarians
  3. (There will be back up activities available if required)

LEARNING OBJECTIVES:

  • Understand the process of gastrulation, and being able to identify the defining structures in the chicken embryo.
  • Understand early neurulation, mesoderm and heart development, and being able to identify the defining structures in the chicken embryo.
  • Understand the regeneration process of planarians following amputation and being able to identify blastema formation, antero-posterior (A/P) and dorsal-ventral (D/V) axes conservation, eye regrowth, re-pigmentation of the regenerated tissues, and worm behavior.

PRACTICAL CLASS NOTES: The practical class notes are available on Moodle