Anatomy LE 5: Introduction to Neuroanatomy

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What is the main function of the Central Nervous System?

Regulation of Body Temperature

Regulation of Hormones

Coordinating body functions (correct)

Regulation of Blood Sugar

Which part of the brain is responsible for controlling involuntary actions?

Spinal Cord

Brainstem (correct)

Cerebrum

Cerebellum

What is the outer layer of the cerebrum known as?

White Matter

Cerebral Cortex (correct)

Cerebellar Peduncle

Gray Matter

What is the term for the study of the structure and function of the nervous system?

Neuroanatomy Signup and view all the answers

What is the term for the process of determining the location of a nervous system lesion?

Localization Signup and view all the answers

What is the spinal cord divided into?

Segments Signup and view all the answers

What is the term for the thin layers of nerve fibers in the spinal cord?

Funiculi Signup and view all the answers

What is the significance of the size of each part in the cortical homunculus?

It is proportional to the area of the cortex dedicated to its function. Signup and view all the answers

What is the function of the cortical homunculus?

To illustrate the sensory and motor functions of the body. Signup and view all the answers

Which part of the brain contains the 4th ventricle?

Medulla Oblongata Signup and view all the answers

How many parts does the brainstem consist of?

3 Signup and view all the answers

What is the term for the Pons and Medulla Oblongata?

Bulbar region Signup and view all the answers

What is the current classification of the Diencephalon?

No longer considered part of the brainstem Signup and view all the answers

What is the name of the structure that represents the sensory and motor functions of the body?

Cortical homunculus Signup and view all the answers

What is the structure located in the white matter of the middle pons?

Basis Pontis Signup and view all the answers

What fibers loop and pass dorsal to the abducens nucleus on their way to exit the brainstem?

Efferent fibers from the facial motor nucleus Signup and view all the answers

What is the shape of the cross section at the trigeminal nuclei in the caudal pons?

Wide boat Signup and view all the answers

What is the structure that forms the lateral edge of the facial colliculus?

Sulcus limitans Signup and view all the answers

In which part of the brainstem do the fibers from the facial motor nucleus go up and loop around the abducens nucleus?

Medial pontine tegmentum Signup and view all the answers

What is the structure underneath the facial colliculus?

Facial motor nucleus Signup and view all the answers

What is the fluid cavity found in the caudal pons?

4th ventricle Signup and view all the answers

What is the name of the structure formed by the lumbar and sacral nerve roots in the lumbar cistern?

Cauda equina Signup and view all the answers

How many pairs of spinal nerves are formed by the dorsal and ventral roots?

31 Signup and view all the answers

What is the name of the lowest segment of the spinal cord?

Conus medullaris Signup and view all the answers

What is the reason for the discrepancy between spinal cord segment levels and vertebral levels?

Lumbar and sacral nerve roots descend within the lumbar cistern Signup and view all the answers

Through which structure do the spinal nerves exit?

Intervertebral foramina Signup and view all the answers

How many cervical spinal cord segments are there?

8 Signup and view all the answers

What is the function of the dorsal and ventral roots?

They form the spinal nerves Signup and view all the answers

What is the major etiologic cause of neurologic impairment?

Vascular strokes Signup and view all the answers

Which structure is responsible for controlling and integrating the autonomic nervous system and endocrine system?

Hypothalamus Signup and view all the answers

What is the term for the complex network of densely packed nuclei and tracts with a net-like histological appearance?

Reticular formation Signup and view all the answers

What is the structure that lies within the tegmentum of the rostral midbrain?

Red nuclei Signup and view all the answers

What is the representation of the human body on a specific part of the CNS?

Homunculus Signup and view all the answers

What is the part of the nervous system that the trigeminal ganglion is a part of?

Peripheral nervous system Signup and view all the answers