Скачать или смотреть Motility of Cells | Cilia and Flagella

Hey, guess what?

I have created this awesome video collection that delves into the fascinating world of cell biology and uncovers the secrets of the Motility of Cells!

It simplifies complex concepts with mesmerizing illustrations, making it easier for you to understand and remember. Seriously, you don't want to miss out on this mind-blowing adventure into cellular motility.

Dive in today and embark on this thrilling journey!

▬ 📌 Cellular Motility
So, cellular motility is all about how cells can move or change their position within their surroundings. It's like their ability to get up and go!

They have these cool mechanisms that allow them to move around inside, such as:
📍 Contraction of actin-myosin networks
📍 Movement of motors on microtubules
📍 Reversible assembly of actin filaments
📍 Reversible assembly of microtubules.

However, the video specifically focuses on movement using cilia, flagella, and pseudopodia. Let's start with cilia.

👉 Movement by Cilia
Think of cilia, as antennas that help cells sense their environment and move. There are two types:
📍 Primary Cilia / Non-motile Cilia (e.g., in Rod cells of Eyes)
📍 Motile Cilia (e.g., in Respiratory Epithelial Cells)

You can learn about the structure of these motile and non-motile cilia in the video.

👉 Movement by Flagella
Now, flagella are actually long cilia. They can be as long as 200 micrometers and beat in a cool wavelength pattern. You can find them in both eukaryotes and bacteria. The eukaryotic ones have a structure called "9+2" arrangement and are similar to motile cilia.

👉 Movement by Pseudopodia
Lastly, we have pseudopodia. These are temporary structures that form on the cell's surface in response to the environment, allowing cells to move. When a cell wants to get going, it extends these protrusions called pseudopodia from its front edge. They're like moderate-width extensions made of actin filaments.

Oh, and there's also something called lamellipodia, which are broad, sheet-like extensions found at the front of certain cells like fibroblasts. They help with cell movement by having a network of actin filaments.

And there's filopodia too, which are super thin projections supported by bundles of actin filaments.

The video has beautiful illustrations that show you all these amazing cell movements. Trust me, it's worth watching. Let's dive into the world of cellular motility together!

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