Animal Form and Function: Development

In this video I go over a quick overview of animal development, which starts from the formation of the zygote through the fusion of a sperm and egg cell during fertilization. The zygote then rapidly divides and forms a ball of similar cells called a blastula. Follows next is gastrulation, in which the blastula gets converted into the three germ layers: endoderm, mesoderm, and ectoderm. These three germ layers then form the internal organs.

- The endoderm forms the lungs, thyroid, and pancreas.
- The mesoderm helps form the cardiac muscles, skeletal muscles, smooth muscles, red blood cells, and tissues within the kidneys.
- The ectoderm produces tissues within epidermis (outermost layer of skin), neurons within the brain, and melanocytes (producing melanin or pigment producing cells).

#science #biology #development #animals #GermLayers

Timestamps:

- Animal Development begins with the zygote (fusion of sperm and egg during fertilization) and then forms a blastula: 0:00
- Organogenesis is the formation of internal organs via cell differentiation: 1:49
- Diagram of Endoderm, Mesoderm, and Ectoderm germ layers and the organs they develop into: 3:33
- Cross-section of human skin: 5:06

Full video below:

- Summary: https://inleo.io/threads/view/mes/re-leothreads-m1usjzns
- Full video and playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0FYO6bxFbBAtVJ9sDOJnH72
- Notes: https://peakd.com/hive-128780/@mes/messcience-3-overview-of-biology
- MES Science playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0GhjCHmTw1XbqMD_EdVKdd9 .

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