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Cell–cell interaction. Cell–cell interaction refers to the direct interactions between cell surfaces that play a crucial role in the development and function of multicellular organisms. These interactions allow cells to communicate with each other in response to changes in their microenvironment. This ability to send and receive signals is ...
An insect 's respiratory system is the system with which it introduces respiratory gases to its interior and performs gas exchange . Air enters the respiratory systems of insects through a series of external openings called spiracles. These external openings, which act as muscular valves in some insects, lead to the internal respiratory system ...
The alveoli are just one cell in thickness, allowing the gas exchange of respiration to occur rapidly. About alveoli cells The outside layer of alveoli, the epithelium, is composed of two types of ...
The following day, when the classmate found out on Twitter that Asunta Basterra had been found dead, she stated to her relatives that she had seen her and her father the previous afternoon. After two months, given that there was much talk in the media about the father's involvement in the crime and his activities that afternoon, the parents ...
These include: recurring infections. chronic fever. unusual bleeding. According to the National Cancer Institute, about 30 percent of people diagnosed with AML survive 5 years or longer. When ...
1 / 12. 2. Ovarian Cancer Can Return Near or Far. Like other cancers, ovarian cancer can come back in three different locations. Local Recurrence. The cancer returns at the ovary's location, even ...
The two major types of lung cancer are small cell lung cancer (SCLC) and non-small cell lung cancer (NSCLC). SCLC accounts for about 13 percent of all lung cancers. It’s less common than NSCLC ...
Lambda phage is a non-contractile tailed phage, meaning during an infection event it cannot 'force' its DNA through a bacterial cell membrane. It must instead use an existing pathway to invade the host cell, having evolved the tip of its tail to interact with a specific pore to allow entry of its DNA to the hosts.