Podcast
Questions and Answers
Which of the following planes divides the brain into equal halves?
Which of the following planes divides the brain into equal halves?
- Sagittal
- Horizontal
- Coronal
- Midsagittal (correct)
What is the name of the fluid that fills the subarachnoid space?
What is the name of the fluid that fills the subarachnoid space?
- Synovial fluid
- Cerebrospinal fluid (CSF) (correct)
- Lymph
- Blood
Which of the following is NOT a direction used to describe anatomical locations in the brain?
Which of the following is NOT a direction used to describe anatomical locations in the brain?
- Medial
- Posterior
- Ventral
- Proximal (correct)
Which of the following structures is responsible for connecting the lateral ventricles to the third ventricle?
Which of the following structures is responsible for connecting the lateral ventricles to the third ventricle?
The dura mater, arachnoid membrane, and pia matter are the three layers of what?
The dura mater, arachnoid membrane, and pia matter are the three layers of what?
Flashcards
Anterior
Anterior
The anatomical direction referring to the front of the brain.
Coronal Section
Coronal Section
A cross section of the brain that slices it into front and back parts.
Dura Matter
Dura Matter
The tough outer layer surrounding the brain and spinal cord.
Ipsilateral
Ipsilateral
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Ventricular System
Ventricular System
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Study Notes
Brain Anatomical Directions
- Anterior - front
- Posterior - back
- Dorsal - top
- Ventral - front facing ground (belly)
- Lateral - side
- Medial - midline
- Ipsilateral - same side
- Contralateral - opposite side
Cross Sections
- Coronal - cross section (frontal)
- Horizontal - parallel to ground
- Sagittal - perpendicular to ground (parallel to neuraxis)
- Midsagittal - divides brain in equal halves
Central Nervous System
- Dura matter - thick, tough
- Arachnoid membrane - soft, spongy
- Subarachnoid space - filled with CSF
- Pia matter - attached to brain and spinal cord; contains small surface blood vessels
Peripheral Nervous System
- Cranial nerves, spinal nerves, peripheral ganglia
- Covered by dura and pia matter fused to form sheath
Ventricular System
- Lateral - connected to third ventricle
- Third ventricle - divides brain into equal halves
- Massa intermedia - crosses the middle
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