Term
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Definition
| separation between lateral ventricles |
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Definition
| connection between lat ventricles and 3rd ventricle |
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Definition
| connects 3rd and 4th ventricle |
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Term
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Definition
| CSF exit locations- 2 lateral and one median |
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Term
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Definition
| brain coverings- pia, dura, arachnoid |
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Term
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Definition
| projections of arachnoid mater into the dural sinus |
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Term
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Definition
| outer most layer. Composed of periosteal later and meningeal |
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Term
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Definition
| dural folds. inward extension of meningeal layer |
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Term
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Definition
| in longitudinal fissure (dural septa) |
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Definition
| between cerebellar hemispheres |
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Term
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Definition
| runs horizontally into the transverse fissure, superior to cerebellum |
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Term
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Definition
| clusters of capillaries in the ventricles that form CSF |
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Definition
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Definition
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Definition
| separates pre and postcentral gyri |
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Term
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Definition
| separates temporal lobe from frontal and parietal |
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Term
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Definition
| separates parietal and occipital lobes |
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Term
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Definition
| outer gray matter of brain |
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Term
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Definition
| Part of Primary Motor Cortex- 1st order neurons. form corticospinal tracts with synapse with lower motor neuron cell bodies in the spinal cord |
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Term
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Definition
| controls somatic motor neurons in the brainstem and spinal cord. Contralateral voluntary movement (skeletal muscle contraction). Uses pyramidal cells. |
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Term
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Definition
somatic motor association area (anterior to precentral gyrus
-integration of motor planning based on sensory feedback during movement and past experience.
-Controls learned motor sklls
-Disorder- can still contract muscles but can't perform complex movements |
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Term
| Speech Center (Broca's Area) |
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Definition
usually in left hemisphere of frontal lobe(lateralization)
- Coordinates muscles involved in speech
-Disorder- can understand language but have difficulty speaking |
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Term
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Definition
Superior to Broca's area in frontal lobe
-controls voluntary eye movement |
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Term
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Definition
anterior region of the frontal lobe
-involved in intellect, cognition, recall, personality, abstract thought, planning and reasoning. |
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Term
| Primary Somatosensory Cortex |
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Definition
Postcentral gyrus of the parietal lobe
-somatic sensory perception of touch, pressure, temperature, etc.
-somatosensory homunculus illustrates spatial discrimination |
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Term
| Somatosensory Association Area |
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Definition
Part of parietal lobe
integrates various sensory inputs and past sensory experiences.
Disorder- someone with damage to this region cannot recognize keys in their pocket without seeing them. |
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Term
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Definition
Occipital lobe
perception of sight |
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Term
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Definition
Occipital Lobe
Gives meaning to visual input
Disorder- wouldn't be able to recognize a friends face |
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Term
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Definition
Temporal Lobe- adjacent to lateral sulcus
perception of sound (pitch, volume, etc) |
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Term
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Definition
Temporal Lobe (much of primitive rhinencephalon)
perception of smell |
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Term
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Definition
Part of Insula
perception taste |
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Term
| Multimodal Association Area |
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Definition
| Where sensations, thoughts, and emotions become conscious- All other association areas send input to this combined association area |
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Term
| General Interpretive Area |
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Definition
| recognizing patterns and faces and awareness of self and out surroundings |
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Term
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Definition
in left hemisphere (lateralization)
Involved in language and mathematical calculations
Disorder- unable to speak but produce word salad and have difficulty interpreting what they say and hear |
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Term
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Definition
| connect different regions of cortex in the same hemisphere |
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Term
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Definition
| bundles of long association fibers that connect the frontal lobe to other lobes in the same hemisphere |
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Term
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Definition
| short association fibers that connect adjacent gyri |
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Term
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Definition
connect corresponding gray matter areas between the two hemispheres
-Corpus Callosum and anterior commissure |
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Term
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Definition
part of efferent or affarent pathways between CNS and PNS
-internal capsule and corona radiata |
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Term
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Definition
terminates rhythmic motor movements, inhibits unnecessary movements during complex tasks, gives muscle tone
made of caudate n. globus pallidus and putamen
-lentiform nucleus= globus and putamen
-Corpus striatum- caudate n. and lentiform n. |
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Term
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Definition
Filter and processes affarent information before sending to appropriate cortical area
two hemispheres connected by intermediate mass
-contains thalamic nuclei |
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Term
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Definition
contains mamillary bodies (part of olfactory pathway), pituitary gland- primary control center for the endocrine system- hormones (connected by infundibulum)
-heart rate, blood pressure, respiration, digestions, fight or flight, hunger and thirst center, body temp regulation, pleasure, fear, sex drive, emotional response. |
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Term
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Definition
| contains pineal gland (secretes melatonin- endocrine gland- sleep signals) and posterior commissure (pupillary light reflex) |
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Term
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Definition
Made of Pons, Midbrain, medulla
most primitive part of brain that controls automatic activities required for survival |
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Term
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Definition
| contains autonomic reflex centers- cardiovascular center and respiratory center |
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Term
| Somatic and visceral sensory nuclei |
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Definition
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Definition
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Definition
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Term
| anterior and posterior white commissure |
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Definition
| commisural fibers that comment right and left halves of cord |
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Term
| Dorsal column- medial lemniscal pathway |
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Definition
-fasciculus cuneatus and pasciculus gracilis
-nucleus cuneatus and nucleus gracilis
-medial lemnisci |
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Term
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Definition
| ventral and dorsal spinocerebellar tracts |
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Term
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Definition
| lateral and ventral spinothalamic |
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Term
| Lateral and Ventral coricospinal tracts |
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Definition
| lateral and ventral corticospinal tracts |
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Term
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Definition
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Term
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Definition
(E,I,P)
mechanoreceptors
nociceptor
thermoreceptor
chemoreceptor |
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Term
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Definition
(E)
Mechanoreceptor (light pressure) |
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Term
| Hair follicle receptor (Hair root plexus) |
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Definition
(E)- UNencap
Mechanoreceptor |
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