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Lab Exam 2: Anatomy & Physiology: Brain Structure and Function - Sheep Brain

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Termini in questo insieme (42)

  • Which region of the brain is necessary for consciousness?

    Cerebrum

  • What structure connects the right and left cerebral hemispheres?

    Corpus callosum

  • Which areas form the central core of the brain?

    Thalamus, Hypothalamus, and Epithalamus

  • Where is the arbor vitae located?

    Cerebellum

  • What part of the corpora quadrigemina is clearly observed in a midsagittal section?

    Superior colliculus

  • Which part of the diencephalon is connected to the pituitary gland?

    Hypothalamus

  • Which region acts as a relay center for sensory messages ascending to the cerebrum?

    Thalamus

  • Which region of the diencephalon contains the pineal body?

    Epithalamus

  • Does the pineal body secrete melanocyte stimulating hormone (MSH)?

    False

  • Is the diencephalon found between the brain stem and the cerebrum?

    True

  • Which ventricles are divided by the septum pellucidum?

    Lateral ventricles

  • What type of tissue makes up the cerebral cortex?

    Gray matter

  • What is the function of white matter in the brain?

    Transmits messages

  • Does gray matter include neuron cell bodies?

    True

  • Does white matter have a fatty consistency?

    True

  • Is the brain a solid organ that lacks cavities?

    False

  • Which ventricle is found under the corpus callosum?

    Third ventricle

  • Which passageway connects the third and fourth ventricles?

    Cerebral aqueduct

  • Identify the passageway in the spinal cord continuous with the ventricles.

    Central canal

  • Is cerebrospinal fluid produced within the ventricles?

    True

  • Are the ventricles all interconnected?

    True

  • Identify cranial nerve I.

    Olfactory nerve

  • Which area takes visual information from one side and conveys it to the opposite side?

    Optic chiasm

  • Which gland can be observed on the ventral surface of the sheep brain?

    Pituitary gland

  • Which structure attaches the pituitary gland to the brain?

    Infundibulum

  • Can all three regions of the brain stem be observed on the ventral surface?

    True

  • Is the cerebellum present on the ventral surface of the sheep brain?

    False

  • Name the membranous encasement surrounding the brain.

    Meninges

  • Which brain region cannot be observed superficially?

    Diencephalon

  • Which brain region contains gyri and sulci?

    Cerebrum

  • Which landmark separates the cerebrum from the cerebellum?

    Transverse fissure

  • Which landmark divides the cerebrum in half?

    Longitudinal fissure

  • How many layers do the meninges consist of?

    3

  • Which is the outer layer of the meninges?

    Dura mater

  • How many regions make up the brain stem?

    3

  • Which area of the brain stem is in contact with the spinal cord?

    Medulla oblongata

  • Which region contains the corpora quadrigemina?

    Midbrain

  • Which ventricle is located within the brain stem?

    Fourth ventricle

  • Does the foramen magnum mark the border between the medulla oblongata and spinal cord?

    True

  • Are the inferior colliculi part of the corpora quadrigemina?

    True

  • A midsagittal cut divides the sheep brain into which sections?

    Right and left sections

  • A coronal (frontal) section divides the sheep brain into which sections?

    Anterior and posterior sections