Concept explainers
To review:
The following terms are to be matched with their correct definitions/descriptions.
The terms are as follows:
Insula
Occipital lobe
Cerebral cortex
Cerebral white matter
Parietal lobe
Basal nuclei
The definitions/descriptions are as follows:
Outer few millimeters of gray matter of the cerebral hemispheres.
Cerebral lobe deep to the frontal, parietal, and temporal lobes.
Clusters of gray matter within the cerebrum that control movement.
Posterior cerebral lobe.
Groups of myelinated axons that connect regions of the cerebrum and other parts of the brain.
Middle and superior cerebral lobe.
Introduction:
In an organism, their movement is coordinated by a network of nerve cells and nerve fibers. The organ system responsible for it is the nervous system. The central nervous system (CNS) is a classification of the nervous system. The major components of the CNS are the brain and the spinal cord.
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Human Anatomy & Physiology (2nd Edition)
- Choose the correct brain structure from the key for each of the following descriptions. Some letters are used more than once. Key: (a) cerebellum (b) superior and inferior colliculi (c) striatum (d) corpus callosum (e) hypothalamus (f) medulla (g) midbrain (h) pons (i) thalamus__(1) basal nuclei (ganglia) involved in motor activities; related toHuntington’s disease__(2) region where there is a crossover of fibers of pyramidal tracts__(3) control of temperature, autonomic nervous system, hunger, andwater balance__(4) contains the substantia nigra and red nucleus__(5) involved in visual and auditory reflexes; found in midbrain__(6) part of diencephalon with vital centers controlling heart rate,some aspects of emotion, and blood pressure__(7) all inputs to cerebral cortex must first synapse in one of its nuclei__(8) brain area that has folia and coordinates movements __(9) brain region that contains the cerebral aqueduct __(10) associated with fourth ventricle and contains nuclei of…arrow_forwardDescribe the functions of the following brain regions: a. Cerebrum (cerebral cortex). b. Cerebellum c. Diencephalon d. Brain Stemarrow_forwarddamage to which cranial nerve might produce the following results? a- inability to move the tongue................................................. b- inability to see........................................................ c- inability to masticate(chew food)...................................... d- inability to swallow.............................................arrow_forward
- Match the term on the left with its correct description in the column on the right. _____ Amygdala a. Serves as the main “entryway” intothe cerebral cortex_____ Thalamus b. Contains the pyramids where thecorticospinal tracts decussate_____ Hippocampus c. Portion of the limbic systeminvolved in emotion_____ Midbrain d. Regulates homeostasis, the autonomicnervous system, the endocrinesystem, and the sleep/wake cycle_____ Medulla e. Consists of three lobes and coordinatesmovementoblongata_____ Hypothalamus f. Portion of the limbic system;involved in memory_____ Cerebellum g. Middle portion of brainstem; plays arole in movement, sleep, and arousal _____ Pons h. First component of the brainstem;participates in reflexes, sensation,and movementarrow_forwardPlease label the following structures associated with the basal ganglia.arrow_forwardSelect the correct one. Which structure contains autonomic nuclei involved in regulating respiration? a. pons b. superior colliculi c. cerebellum d. thalamusarrow_forward
- Select the best answer or answers from the choices given: Fiber tracts that allow neurons within the same cerebral hemisphere to communicate are (a) association fibers, (b) commissures, (c) projection fibers.arrow_forwardThe cranial motor nuclei which receive innervation only from the contralateral corticobulbar tract are :-a- nuclei of the trigeminal and vagus nervesb- nuclei of the vagus and glossopharyngeal nervesc- nuclei of the facial and hypoglossal nervesd- nuclei of the facial and glossopharyngeal nervesarrow_forwardLabel all the nerve chords, thoracic gaglia and abdominal ganglia. State thr number of nerve chords , thoracic ganglia and abdominal ganglia isa present in the “picture”.arrow_forward
- List and describe 2 specific motor dysfunctions caused by injury to the basal ganglia. Then, do the same for 1 motor dysfunction caused by damage to the cerebellum.arrow_forwardWhich of the choices below describe the ANS? A) Sensory and motor neurons that supply the digestive tract B) Motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle, and glands. C) Sensory neurons that convey information from somatic receptors in the head, body wall, and limbs and from receptors from the special senses of vision, hearing, taste, and smell to the CNS. D) sensory and motor neurons that supply the digested tract what Please provide me a brief explanation why is correct or incorrect?arrow_forwardDiscuss the production, flow, and function of the cerebrospinal fluid (CSF).arrow_forward
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