Name the part of the brain, and the region (forebrain, midbrain or hindbrain), for each description…
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
Name the part of the brain, and the region (forebrain, midbrain or hindbrain), for each description.
- Four round swellings on the back of the midbrain.
- A part made of fibre tracts that join different regions of the brain.
- A part with a very convoluted surface that gives room for many neurons.
- A part with the centres for respiration, cardiovascular reflexes and gastric secretions.
- The canal that passes through the midbrain.
Need a reminder? The key ideaShow
The midbrain has the cerebral aqueduct and the four corpora quadrigemina. The hindbrain has the pons (fibre tracts), the cerebellum (convoluted, many neurons) and the medulla (centres for respiration, cardiovascular reflexes and gastric secretions, joined to the spinal cord). NCERT says that the midbrain and the hindbrain form the brain stem.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Step 1. (a) The corpora quadrigemina, in the midbrain.
Step 2. (b) The pons, in the hindbrain.
Step 3. (c) The cerebellum, in the hindbrain.
Step 4. (d) The medulla, in the hindbrain.
Step 5. (e) The cerebral aqueduct, in the midbrain.
Answer: (a) corpora quadrigemina, midbrain; (b) pons, hindbrain; (c) cerebellum, hindbrain; (d) medulla, hindbrain; (e) cerebral aqueduct, midbrain.
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