- 1 What is the major difference in alignment of the spinal cord between sheep and human?
- 2 How is the position of the spinal cord in the sheep different than in the human brain Why?
- 3 What are the differences between a human and sheep brain?
- 4 What is the order of the different vertebrae going from the head to the tail?
- 5 What are the four forces that can act on the spine?
- 6 How strong is the human spine?
- 7 Which side of the brain affects vision?
- 8 How big is a sheep brain?
- 9 How do you preserve a sheep brain?
- 10 Is the sense of smell more important in sheep or humans?
- 11 What is the function of the corpus callosum?
- 12 What is the most inferior spinal nerve?
- 13 Which spinal nerves affect which parts of the body?
- 14 Which vertebra has the Odontoid process?
What is the major difference in alignment of the spinal cord between sheep and human?
The sheep spinal cord is orientated anterior to posterior, as in any four-legged animal. The human spinal cord is orientated superior to inferior. This orientation difference has a major affect on the location of the brain stem. The sheep brain stem is located more towards the rear (posteriorly).
How is the position of the spinal cord in the sheep different than in the human brain Why?
The sheep has a smaller cerebrum. Also, the sheep brain is oriented anterior to posterior (more horizontally), while the human brain is oriented superior to interior (more vertically.)
What are the differences between a human and sheep brain?
The sheep’s brain has a more developed olfactory bulbs when compared to the human brain. 4. The human brain is rounded, whereas the sheep’s brain is elongated in shape because sheep are four-legged animals.
What is the order of the different vertebrae going from the head to the tail?
The vertebral column extends from the skull to the end of the tail. There are five regions: cervical, thoracic, lumbar, sacral, and coccygeal (caudal).
What are the four forces that can act on the spine?
These movements result in various forces acting on the lumbar spine and sacrum: compressive force, tensile force, shear force, bending moment and torsional moment.
How strong is the human spine?
The spine is very strong. In fact it can handle hundreds of kilograms of pressure. This is a good thing too, because something as simple as lying flat on your back with your knees elevated can put up to 25 pounds of pressure on your spine.
Which side of the brain affects vision?
The occipital lobe is the back part of the brain that is involved with vision.
How big is a sheep brain?
The Sheep brain is ~ 0.5% of body weight; the human brain is ~2% body weight. To give you a frame of reference a human weighing 150 lbs. weighs 48kg. Think about whether a sheep would weigh more or less than that.
How do you preserve a sheep brain?
Immerse the brain in the ethanol solution for storage in a clean glass container that has a tight-fitting lid to prevent any evaporation. The use of Parafilm or some silicone sealant can be used to provide a good seal. Leave for 2–3 days to fix the tissue.
Is the sense of smell more important in sheep or humans?
Sheep have a more acute sense of smell than humans and rely more on smell to alert them to danger, food sources, etc.
What is the function of the corpus callosum?
The two hemispheres in your brain are connected by a thick bundle of nerve fibres called the corpus callosum that ensures both sides of the brain can communicate and send signals to each other.
What is the most inferior spinal nerve?
The most inferior of the spinal nerves, the coccygeal nerve leaves the spinal cord at the level of the conus medullaris via respective vertebrae through their intervertebral foramina, superior to the filum terminale.
Which spinal nerves affect which parts of the body?
The nerves of the cervical spine go to the upper chest and arms. The nerves in your thoracic spine go to your chest and abdomen. The nerves of the lumbar spine then reach to your legs, bowel, and bladder. These nerves coordinate and control all the body’s organs and parts, and let you control your muscles.
Which vertebra has the Odontoid process?
The odontoid process (also dens or odontoid peg) is a protuberance (process or projection) of the Axis (second cervical vertebra). It exhibits a slight constriction or neck, where it joins the main body of the vertebra.