04 Organization of the Nervous System part III Brainstem and SC

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534 Neuroanatomy Flashcards on 04 Organization of the Nervous System part III Brainstem and SC, created by Mia Li on 09/01/2017.
Mia Li
Flashcards by Mia Li, updated more than 1 year ago
Mia Li
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Question Answer
Which parts of the brain makes up the brainstem? 1. midbrain 2. pons 3. medulla
Which 3 functions does the brainstem conduct? 1. receives sensory input from cranial structures and controls muscles of the head 2. serves as a conduit of information flow (ascending and descending tracts) 3. integrates information from other sources
Key function of medulla Blood pressure, respiration regulation
Key function of pons and midbrain eye movement
Principal functions of the cerebellum: 1. regulate eye and limb movement 2. posture and balance 3. some contribution to language, cognition, emotion
The diencephalon consists of _______ and ______. Thalamus and hypothalamus
The hypothalamus controls _________ release in the ______ gland and overall function of the _________ system. The hypothalamus controls [endocrine hormone] release in the [pituitary] gland and overall function of the [autonomic nervous] system.
What are the four landmarks in the dorsal brainstem? 1. dorsal column 2. dorsal column tubercles 3. 4th ventricle 4. colliculi
Lable the picture. [insert numbered picture of ventral brainstem here] NA
Lable the picture. [insert numbered picture of dorsal brainstem here] NA
Four key structures in the ventral brainstem. 1. basis pedunculi 2. base of pons 3. olives 4. pyramids
Pyramids are the location for the axons of ___________. corticospinal tract
Neurons in the _____ and ______ are major sources of afferent information to the cerebellum. Neurons in the [olives] and [base of pons] are major sources of afferent information to the cerebellum.
The central core of the brainstem contains neurons that regulate _______. Arousal.
Lable the picture [ insert cross-sections of medulla] NA
At the spinal-medullary junction, the most prominent feature is the ____________. It is where the _____ decussates. It results in one side of the brain controlling the opposite side of the body. 1. Pyramidal decussation 2. corticospinal
Dorsal column nuclei relates ______ sensation to ________. Dorsal column nuclei relates [touch] sensation to [thalamus].
The landmarks of dorsal midmedulla are _____________ and __________. Gracilis tubercle Cuneate tubercle
The floor of the 4th ventricle includes: 1. rostral medulla 2. dorsal surface of pons
The roof of 4th ventricle is formed by cerebellum
Neurons in the pontine nuclei transmitt information from _____ to _________. From cerebral cortex to cerebellum
Three parts of the midbrain from dorsal to ventral tectum --> tegmentum --> basis pedunculi
tegmentum + basis pedunculi = cerebral peduncle
In the tectum there are 4 key landmarks called _________ colliculi
Superior colliculi control _________ movement while inferior colliculi are important in _______ Superior: saccadic eye movement inferior: hearing
The __________ is found at the border of tegmentum and tectum. It is surrounded by __________ which is important in pain suppression. The [cerebral aqueduct] is found at the border of tegmentum and tectum. It is surrounded by [periaqueductal grey] which is important in pain suppression.
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