base on Hamburger and Hamilton Normal Stages of Chick Development draw the ff Chick Embryogenesis Limb-bud: Stage 19 Limb-bud: Stage 21 Serial sections at the level of the heart Stage 6 Stage 8 Stage 12 Stage 18
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base on Hamburger and Hamilton Normal Stages of Chick Development
draw the ff
Chick Embryogenesis
|
Limb-bud: Stage 19 |
Limb-bud: Stage 21 |
|
Serial sections at the level of the heart |
|
|
Stage 6 |
Stage 8 |
|
Stage 12 |
Stage 18 |
Step by step
Solved in 3 steps with 1 images
- base on Hamburger and Hamilton Normal Stages of Chick Development draw the ff Chick Embryogenesis Primitive Streak Head formation Flexion and Torsion: Stage 13 Flexion and Torsion: Stage 16 Early Somite: Stage 7 Early somite: Stage 10IDENTIFICATION (Subject - Development Biology) 1. It refers to the arrangement of the mitochondria, golgi apparatus, yolk and pigment granules? 2. It shows the organ forming tissues? 3. It is a genes which are active all throughout developmentNorms of reaction describe an embryo’s inherited ability to develop a range of phenotypes. The environment can play a role in selecting which phenotype is expressed Discuss in 5-6 sentences
- The 48-hr Chick Embryo Whole Mount (SEE IMAGE) Before you mount your slide on your microscope stage, take a good look at the morphology of the 48-hour embryo. Note the striking changes in morphology as compare, to the 33-hour embryo. There is a cephalic flexure or bending at the level of the midbrain. The head now lies on its left side. On the other hand dorsal side of the trunk is still turned up so the twisting of the embryo is noticeable. Verify these changes under the low power objective. Note the flexion and the torsion. In addition to the cranial/cephalic flexure there is also a cervical flexure at the level of the neck region. Very briefly go through the structures previously seen in the 33-hour chick. Observe the new structures appearing for the first time (Please visit the main website for viewing the whole mount of 33-hour and 48-hour chick embryo). Ectodermal Derivatives The prosencephalon is now divided into two regions: Telencephalon: This brain region is the anterior…The 48-hr Chick Embryo Whole Mount (SEE IMAGE) Before you mount your slide on your microscope stage, take a good look at the morphology of the 48-hour embryo. Note the striking changes in morphology as compare, to the 33-hour embryo. There is a cephalic flexure or bending at the level of the midbrain. The head now lies on its left side. On the other hand dorsal side of the trunk is still turned up so the twisting of the embryo is noticeable. Verify these changes under the low power objective. Note the flexion and the torsion. In addition to the cranial/cephalic flexure there is also a cervical flexure at the level of the neck region. Very briefly go through the structures previously seen in the 33-hour chick. Observe the new structures appearing for the first time (Please visit the main website for viewing the whole mount of 33-hour and 48-hour chick embryo). Ectodermal Derivatives The prosencephalon is now divided into two regions: Telencephalon: This brain region is the anterior…The 48-hr Chick Embryo Whole Mount (SEE IMAGE) Before you mount your slide on your microscope stage, take a good look at the morphology of the 48-hour embryo. Note the striking changes in morphology as compare, to the 33-hour embryo. There is a cephalic flexure or bending at the level of the midbrain. The head now lies on its left side. On the other hand dorsal side of the trunk is still turned up so the twisting of the embryo is noticeable. Verify these changes under the low power objective. Note the flexion and the torsion. In addition to the cranial/cephalic flexure there is also a cervical flexure at the level of the neck region. Very briefly go through the structures previously seen in the 33-hour chick. Observe the new structures appearing for the first time (Please visit the main website for viewing the whole mount of 33-hour and 48-hour chick embryo). Ectodermal Derivatives The prosencephalon is now divided into two regions: Telencephalon: This brain region is the anterior…
- The 48-hr Chick Embryo Whole Mount (SEE IMAGE) Before you mount your slide on your microscope stage, take a good look at the morphology of the 48-hour embryo. Note the striking changes in morphology as compare, to the 33-hour embryo. There is a cephalic flexure or bending at the level of the midbrain. The head now lies on its left side. On the other hand dorsal side of the trunk is still turned up so the twisting of the embryo is noticeable. Verify these changes under the low power objective. Note the flexion and the torsion. In addition to the cranial/cephalic flexure there is also a cervical flexure at the level of the neck region. Very briefly go through the structures previously seen in the 33-hour chick. Observe the new structures appearing for the first time (Please visit the main website for viewing the whole mount of 33-hour and 48-hour chick embryo). Ectodermal Derivatives The prosencephalon is now divided into two regions: Telencephalon: This brain region is the anterior…14 of 41 The apical ectodermal ridge is responsible for limb patterning by providing: O a source of retinoic acid to pattern the P-D axis O instructions about programmed cell death of the ectoderm a source of FGF signals O a D-V identity to the ectodermBriefly discuss avian early embryonic development, starting with fertilization and oviposition, cleavage, gastrulation, and early organogenesis and morphogenesis in the developing avian embryo inside the egg.