Neuroanatomy HW3

Sense of fine touch, vibration, proprioception

posterior (dorsal) column pathway

Sense of pain, itch, temperature

anterolateral/spinothalamic tract

Voluntary control of distal muscles

lateral corticospinal tract

Voluntary control of proximal muscles

anterior corticospinal tract

True/False: Information passes unidirectionally from thalamus to cortex, and not from cortex to thalamus

false

In addition to receiving to sensory inputs, the thalamus also receives information from which systems/areas?

1. Limbic system

2. Basal ganglia

3. Cerebellum

4. Reticular formation

This structure is part of the diencephalon and is a control center for autonomic and neuroendocrine functions

hypothalamus

Rostral reticular formation

part regulates the level of consciousness

Caudal reticular formation

regulates various vital bodily functions.

List two (or more) functions of the limbic system

emotion, memory, appetite drives

Name two (or more) limbic system structures

amygdala, hippocampal formation

The anterior cranial fossa contains what brain structure?

frontal lobe

The middle cranial fossa contains what brain structure?

temporal lobe

The posterior cranial fossa contains what brain structures?

cerebellum and brain stem

The ___is a dural structure that divides the right and left cerebral hemispheres. The ____ is a dural structure that divides the cerebellum from the cerebrum.

falx cerebri, tentorium cerebelli

The epidural space location and contains what

Between dura and skull, middle meningeal artery

The subdural space location and contains what

Between dura and arachnoid, bridging veins

The subarachnoic space location and contains what

Between arachnoid and pia, major cerebral arteries and veins, CSF, arachnoid trabeculae

Blood drains from cerebral veins into the dural venous sinuses via____

CSF drains from the subarachnoid space into the dural venous sinuses via ____

bridging veins, arachnoid granulations/villi

List these structures in the order in which CSF flows through them

lateral ventricles, 3rd ventricle, cerebral aqueduct, 4th ventricle, subarachnoid space, venous system

Ventricle located in cerebral hemispheres

lateral ventricles

Ventricle located in hypothalamus and thalamus

third ventricle

Ventricle located in midbrain

cerebral aqueduct

Ventricle located in pons, cerebellum, medulla

fourth ventricle