Chapter 28: Scratch reflection

"The ability to infect and adhere to other organisms and continue to grow is the main manifestation of the survival status of the banyan tree. We do not know to what extent it can eventually grow."
Professor Qin continued to explain to the audience, "When we put the banyan tree in the vacuum laboratory and evacuate almost all the air, the banyan tree will die in about half an hour. After observation, we found that all The heart has stopped beating, the blood and black fluid in the whole body have stopped circulating, and corpses have begun to appear. Just like the normal life activity of the body, it needs to be preserved with formalin. This is its death state. "
"In the dead state, its black liquor loses its activity and is not infectious. When a creature approaches it, it can still show an unconditioned reflex, which is the sound you just saw. We use x-rays Observed by perspective, the sound was squeezed by multiple organs of its throat, and the words were inferred to be the last words of the dead before losing self-consciousness. When their eyes were closed, the reflex would end. As for the principle of this unconditional reflection, it is still to be studied. "
The large x-ray perspective video is played on the large screen, and everyone can clearly see how the vocal cords, trachea, and esophagus of the banyan tree are squeezed strangely.
The video is marked with the text "Tenth Day of Death". For such a long time, and this tree has been soaked in formalin, can there still be unconditioned reflection ...
Gu Jun remembered an animal experiment that he once did in class and said to others: "Do you think this is not like the scratching reflection of a frog?"
Cai Zixuan and Xu Hai heard them, and suddenly felt the focus!
"Like, it's very similar." Wang Ruoxiang turned his eyes and thought divergently: "Will the black liquid make the skin function as a sensor? As soon as you approach, it may be stimulated by your breathing gas, it The afferent and efferent nerves are still alive, so this reflex can occur. "
"I think so too." Gu Jun nodded, "This is indeed a different kind of creature."
Scratching reflection is an experiment with a heavy mouth. They must first cut off the head of the experimental frog and remove the brain. At this time, of course, the frog is dead. But in a short time, when they smeared the skin of the frog's abdomen with a piece of paper soaked with low-concentration sulfuric acid, the frog would use its hind limbs to scratch the painted location, just like a corpse.
This is because there is also a nerve center in the unspoiled spinal cord of the frog, and there are multiple reflex arcs in the body. When stimulated, it will reflex.
How can the different banyan tree die and howl it may be of this nature. It's just that the "short-term" after death is very long for humans, and the external stimulus required for reflection is the biological approach.
"Scratch reflection." Professor Gu heard them discuss and said a small sneer: "I was just excited that there are really ghosts in the world."
Because Professor Qin said that this is unconditioned reflex, the whole audience thought that it was not just Gu Jun who scratched the reflex, many teachers and students whispered about it.
Everyone is still surprised, but finally we can use modern medicine to understand the strange thing, less fear, more shock.
At this time, Sun Yuheng from the Qingyun University team raised his hand and asked, "Professor Qin, what is the cause of the pathogen you are talking about and the banyan tree? Is this a virus? What is the mode of transmission?"
These three consecutive questions are what every teacher and student present wants to know, especially the first question.
Unfortunately, Professor Qin replied: "I can't say more about the pathogen here. This is a virus. Fortunately, we have found that there are only two ways to spread it. One is the biological contact with the source of the banyan tree. The patient's active black liquor has direct skin contact. "
After listening to the answers to the last two questions, everyone was relieved, so long as the disease-causing banyan tree is extinguished and the patients are properly isolated and controlled, the situation will not be very bad.
The most feared is the virus that can be spread through the close respiratory tract droplets like SARS, and even the Ebola virus that can be spread through the air.
In contrast, although the Isabelle disease is more terrifying, it is possible for those viruses to break out of the epidemic like the black plague in Europe in the Middle Ages.
Many teachers and students have settled their minds. Humans have overcome SARS and controlled Ebola. They are not afraid of an allose disease!
"We may face more than Isong Rong disease in the future." Professor Qin's calm and solemn words pulled them back to the edge of hell. "You all have to be mentally prepared. This may be the beginning. Rather than an incident ~ EbookFREE.me ~ is just the beginning? Everyone's heart sinks ...
"I believe everyone understands the purpose of this contest. Some things are not suitable for the public to know, otherwise it will cause unnecessary panic and the entire social order will be affected. So the state has our secret department. Now Our work requires more manpower to work. Unfortunately, not all of you have the qualifications that we value. Just the first assessment just now, about one-tenth of them can pass. These students will The next assessment can be conducted. Other people can participate in ordinary skill projects. The state has other arrangements for you and serves as a bridge between our department and ordinary hospitals. "
Professor Qin gave a talk, and gradually looked at the seat of Dongda University, looking at Gu Jun in the middle and back row, and said: "The qualifications we want, one is the will, the other is the medical technology, it is impossible to lack one. Good. Now, let's take a break first. "
When the words fell, Professor Qin and the judges walked over to the aisle, and the staff finally pushed the big iron cage back.
The thing was missing in the stadium, the air was fresher, and the dark clouds above the teachers and students felt that they were gone.
Sometimes, ignorance is really a blessing.
Most students know whether they have passed this round of assessment. Some people understand that they really are not that kind of qualifications. If they stand beside the banyan tree like Gu Jun just now, their legs are scared, even if they have the opportunity, they do not want to join that secret department.
Some people hope and long for themselves to enter the next round and enter a mysterious world unknown to the public. Gu Jun is one of them.
After a while, the shortlist was announced on the big screen, and the names of the students were listed on it, and hundreds of people in the audience looked at it.