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section of the Sheep Brain your own words, describe the firmness texture and tex

ID: 3483940 • Letter: S

Question

section of the Sheep Brain your own words, describe the firmness texture and texture of the sheep brain tissue as observed when you cut into it. iven that formalin hardens all tissue, what t concl lusions might you draw about the firmness and texture of living brai m sue? servations in the chart below. ains, you observed some profound differences between them. Record you Sheep tructure Ifactory bulb ns/medulla relationship cation of cranial nerve III ammillary body rpus callosum erthalamic adhesion ative size of superior and inferior colliculi al gland Human

Explanation / Answer

1. The sheep brain tissue is tough and rubbery. But when you are dissecting the brain it gets a lot softer compared to the original texture of brain before dissection.

2. The live tissue of the brain must be extremely soft and can be easily torn or break apart even when gently handled.

Olfactory bulb Human: Smaller; Sheep: Larger

Pons/medulla relationship Human: More inferior, straight up and down; Sheep: More longitudinal to the back

Location of cranial nerve III Human: Same area, thinner and lower; Sheep: Same are, thicker and a bit higher

Mammillary body Human: larger; Sheep: Smaller

Corpus callosum Human: Thicker, in a straighter direction; Sheep: Thinner, in a more slanted direction

Size of superior and inferior colliculi Human: Larger; Sheep: Smaller

Pineal gland Human: Smaller; Sheep: Larger