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Canaliculi
Canaliculi
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What are small channels that radiate through the matrix of bone?
Small channels that radiate through the matrix of bone are called canaliculi. These canaliculi contain cellular processes that allow for communication and nutrient exchange between bone cells (osteocytes) located within the bone.
Is a large matrix with small pixels better than a small matrix with large pixels?
A large matrix with small pixel will give a better resolution.
What type of molecules move through a integral protein channels?
Integral protein channels facilitate the movement of ions and small molecules across cell membranes. These channels are selective based on the size and charge of the molecules they allow to pass through.
Why don't osteocytes die during ossification of bone matrix?
Osteocytes are embedded in the bone matrix and are supplied with nutrients through canaliculi, small channels in the bone. This allows osteocytes to survive and continue functioning during bone formation, even though they are surrounded by the developing tissue. Additionally, osteocytes have a low metabolic rate, helping them to withstand the changes during ossification.
Do protein channels allow small charged molecule to cross the cell membrane?
Yes, protein channels in the cell membrane can allow small charged molecules, such as ions, to pass through. These channels create a selective pore that allows specific molecules to pass based on size and charge. The movement of these molecules through protein channels is essential for various cellular functions and signaling processes.
Why is blood passed through the dialyser in many small channels instead of a large one?
so it can be cleaned
How did irrigation develop?
Archaeological investigation has identified as evidence of irrigation where the natural rainfall was insufficient to support crops for rainfed agriculture. Perennial irrigation was practiced in the Mesopotamian plain whereby crops were regularly watered throughout the growing season by coaxing water through a matrix of small channels formed in the field
How do small polar molecules pass through the cell membrane?
Small polar molecules can pass through the cell membrane by using protein channels or carriers that facilitate their movement across the lipid bilayer. These channels and carriers help the molecules navigate through the hydrophobic interior of the membrane, allowing them to enter or exit the cell as needed.
What type of molecules move into the nucleus through the nuclear pores?
pores or channels
Do ions and other small water-soluble materials cross the cell membrane only by passing through the channels?
No, ions and other small water-soluble materials can also cross the cell membrane through processes like simple diffusion or facilitated diffusion, in addition to passing through specific channels. Additionally, active transport mechanisms can move ions against their concentration gradient, requiring energy input.
Osteocytes are located in tiny spaces called what?
Osteocytes are located in tiny spaces called lacunae. These small cavities are found within the bone matrix and provide a sheltered environment for osteocytes, allowing them to maintain communication with other bone cells through tiny channels called dendritic processes. This network helps regulate bone remodeling and homeostasis.
Why is blood passed through the dialyser in many small channels instead of one large one?
so it can be cleaned
