Unit 3-Meninge & CSF

Created by Rena

p.26

Which structure is indicated as providing support to the spinal cord?

A. Central canal

B. Subarachnoid space

C. Anterior median fissure

D. Posterior median sulcus

E. Denticulate ligament

Select an answer

p.26

Explanation

The denticulate ligament is specifically identified in the illustration as a structure that provides support to the spinal cord by anchoring it to the surrounding meninges.

Click to see question

1 / 168

p.26

Spinal Meninges and Their Functions

Which structure is indicated as providing support to the spinal cord?

p.26

Cerebrospinal Fluid (CSF) Functions

What is the function of the subarachnoid space?

p.1

Meninges Overview

Which space is located between the Dura mater and the Arachnoid mater?

p.1

Meninges Overview

What is the function of the meninges?

p.1

Dura Mater Structure and Function

What is the outermost layer of the meninges?

p.26

Meninges Overview

Which layer of the spinal meninges is the innermost?

p.2

Dura Mater Structure and Function

What is the primary function of the Dura mater?

p.2

Pia Mater Description

Which layer of the cranial meninges is the thinnest?

p.2

Cerebrospinal Fluid (CSF) Functions

What role do arachnoid villi play in the central nervous system?

p.2

Arachnoid Mater Characteristics

What is the relationship between the Arachnoid mater and cerebrospinal fluid (CSF)?

p.2

Pia Mater Description

Which layer of the meninges is directly attached to the neurons of the brain?

p.3

Dura Mater Structure and Function

What are the two layers of the cerebral dura mater?

p.3

Dura Mater Structure and Function

How does the endosteal layer of the cerebral dura mater relate to the spinal dura mater?

p.3

Dura Mater Structure and Function

What is the primary function of the meningeal layer of the cerebral dura mater?

p.3

Dura Mater Structure and Function

Where is the cerebral dura mater most strongly adherent?

p.3

Dura Mater Structure and Function

What is the relationship between the two layers of the cerebral dura mater?

p.4

Dura Mater Structure and Function

What is the function of the falx cerebri?

p.4

Dura Mater Structure and Function

What does the tentorium cerebelli separate?

p.4

Dura Mater Structure and Function

What is the purpose of the tentorial notch?

p.4

Dura Mater Structure and Function

What does the diaphragma sellae form?

p.4

Dura Mater Structure and Function

Which structure separates the two cerebellar hemispheres?

p.5

Dura Mater Structure and Function

What anatomical structure is indicated by the junction of the falx cerebri and tentorium cerebelli?

p.5

Dura Mater Structure and Function

Which layer of the dura mater is in contact with the skull?

p.5

Dura Mater Structure and Function

What is the area of the skull occupied by the occipital lobe of the brain?

p.5

Dura Mater Structure and Function

What structure becomes continuous with the dura of the spinal cord at the foramen magnum?

p.5

Dura Mater Structure and Function

Which anatomical feature is located in the posterior cranial fossa?

p.7

Dural Venous Sinuses and Blood Flow

What structure is indicated by an arrow in the illustration of the human head?

p.7

Dural Venous Sinuses and Blood Flow

Which sinus is located at the top of the brain and is labeled in the illustration?

p.7

Dural Venous Sinuses and Blood Flow

What is the function of the Tentorium Cerebelli as shown in the illustration?

p.7

Dural Venous Sinuses and Blood Flow

Which structure is responsible for the drainage of blood from the brain and is labeled in the illustration?

p.7

Dural Venous Sinuses and Blood Flow

What anatomical feature is associated with the Olfactory Bulb in the illustration?

p.9

Dura Mater Structure and Function

Which cranial nerve is responsible for innervating the dura mater above the tentorium?

p.9

Dura Mater Structure and Function

What type of headache is induced by the dura mater below the tentorium?

p.12

Dural Venous Sinuses

Which artery runs through the cavernous sinus?

p.9

Clinical Significance of Meningeal Structures

What is a common symptom of meningitis related to the meninges?

p.9

Dura Mater Structure and Function

Which nerves contribute to the sensory innervation of the dura mater?

p.9

Dura Mater Structure and Function

What sensation do the numerous sensory endings in the dura mater primarily respond to?

p.10

Dural Venous Sinuses and Blood Flow

Where are the dural venous sinuses located?

p.10

Dural Venous Sinuses and Blood Flow

What do the dural venous sinuses receive from the brain?

p.10

Dural Venous Sinuses and Blood Flow

Into which veins do the dural venous sinuses drain?

p.10

Dural Venous Sinuses and Blood Flow

What is a notable characteristic of the walls of the dural venous sinuses?

p.10

Dural Venous Sinuses and Blood Flow

Why is it hard to stop bleeding when the dural venous sinuses are damaged?

p.11

Dural Venous Sinuses

What does the superior sagittal sinus contain?

p.11

Dural Venous Sinuses

Which sinus receives blood from the inferior sagittal sinus?

p.11

Dural Venous Sinuses

What is the function of the sigmoid sinus?

p.11

Dural Venous Sinuses

Which sinus receives blood from the superior petrosal sinuses?

p.11

Dural Venous Sinuses

What is the confluence of sinus?

p.12

Dural Venous Sinuses

What is the location of the cavernous sinuses?

p.12

Dural Venous Sinuses

What is the function of the superior petrosal sinuses?

p.12

Dural Venous Sinuses

How can infections travel from the facial skin to the cavernous sinuses?

p.12

Dural Venous Sinuses

Which nerves are located in the lateral wall of the cavernous sinus?

p.13

Dural Venous Sinuses and Blood Flow

What is the function of the superior sagittal sinus?

p.14

Dura Mater Structure and Function

Which structure is responsible for separating the pituitary gland from the rest of the brain?

p.15

Dural Venous Sinuses and Blood Flow

What is the function of the anterior cerebral artery?

p.15

Dural Venous Sinuses and Blood Flow

Which structure is located within the cavernous sinus?

p.15

Meninges Overview

What is the role of the diaphragma sellae?

p.15

Cerebrospinal Fluid (CSF) Functions

What is the significance of the subarachnoid space?

p.15

Clinical Significance of Meningeal Structures

Which cranial nerve is associated with the structures listed in the image?

p.16

Dural Venous Sinuses and Blood Flow

What is the starting point of the blood flow in the dural venous sinuses?

p.16

Dural Venous Sinuses and Blood Flow

Which sinus connects to the internal jugular vein?

p.16

Dural Venous Sinuses and Blood Flow

What is the role of the transverse sinus in the dural venous sinus system?

p.16

Dural Venous Sinuses and Blood Flow

Which sinus is directly connected to the cavernous sinus?

p.16

Dural Venous Sinuses and Blood Flow

What is the function of the intercavernous sinus?

p.17

Dural Venous Sinuses and Blood Flow

What is the function of the dural venous sinuses?

p.17

Dural Venous Sinuses and Blood Flow

Which sinus is located at the confluence of the sinuses?

p.17

Dural Venous Sinuses and Blood Flow

Which vein is associated with the right sigmoid sinus?

p.17

Dural Venous Sinuses and Blood Flow

What structure separates the two cerebral hemispheres and is associated with the superior sagittal sinus?

p.17

Dural Venous Sinuses and Blood Flow

Which sinus is located at the base of the skull and drains into the internal jugular vein?

p.18

Clinical Significance of Meningeal Structures

What is the significance of the facial vein in relation to the cavernous sinus?

p.18

Clinical Significance of Meningeal Structures

What can potentially happen if skin or wound infections spread to the cavernous sinus?

p.18

Clinical Significance of Meningeal Structures

Which veins allow for the communication between the facial vein and the cavernous sinus?

p.19

Arachnoid Mater Characteristics

What is the primary function of the subarachnoid space?

p.19

Arachnoid Mater Characteristics

Where are arachnoid villi most numerous?

p.19

Arachnoid Mater Characteristics

What is the relationship between the arachnoid mater and cranial nerves?

p.19

Arachnoid Mater Characteristics

What fills the subarachnoid space?

p.19

Arachnoid Mater Characteristics

What type of membrane is the arachnoid mater?

p.20

Scalp Anatomy

What is the function of the epicranial aponeurosis in the human scalp anatomy?

p.20

Vasculature of the Scalp

Which structure is responsible for draining blood from the brain and is found in the human skull anatomy?

p.20

Vasculature of the Scalp

What is the role of emissary veins in the anatomy of the scalp?

p.20

Scalp Anatomy

Which layer of tissue lies directly beneath the skin of the scalp?

p.20

Cranial Anatomy

What anatomical structure separates the two hemispheres of the brain?

p.21

Dura Mater Structure and Function

What is the outermost layer of the meninges?

p.21

Arachnoid Mater Characteristics

Which structure is responsible for the absorption of cerebrospinal fluid (CSF) into the venous system?

p.21

Spinal Meninges and Their Functions

What is the space between the Arachnoid mater and the Pia mater called?

p.21

Pia Mater Description

Which layer of the meninges is directly in contact with the brain?

p.21

Clinical Significance of Meningeal Structures

What is the function of the Perivascular space?

p.22

Dura Mater Structure and Function

What are the two layers of the dura mater visible in the illustration?

p.22

Dura Mater Structure and Function

What do the middle meningeal vessels supply?

p.29

Cerebrospinal Fluid (CSF) Functions

What does the spinal needle access during a lumbar spinal puncture?

p.22

Cerebrospinal Fluid (CSF) Functions

What is the function of arachnoid granulations?

p.23

Pia Mater Description

What is the primary function of the pia mater in relation to the brain?

p.23

Pia Mater Description

In which ventricles does the pia mater fuse with the ependyma?

p.24

Dura Mater Structure and Function

What is the relationship between the spinal dura mater and the cerebral dura mater?

p.24

Dura Mater Structure and Function

At what level does the spinal dura mater become thinner?

p.24

Arachnoid Mater Characteristics

What is the terminal cistern?

p.24

Clinical Significance of Meningeal Structures

Why is the terminal cistern considered the best site for a lumbar puncture?

p.24

Spinal Meninges and Their Functions

What is the extradural space also known as?

p.25

Pia Mater Description

What is the primary function of the denticulate ligament in the spinal pia mater?

p.25

Pia Mater Description

What does the filum terminale do in relation to the spinal cord?

p.25

Pia Mater Description

What type of membrane is the pia mater?

p.25

Pia Mater Description

Where is the denticulate ligament located?

p.25

Pia Mater Description

What is the relationship between the filum terminale and the arachnoid mater?

p.26

Meninges Overview

Which of the following structures is NOT part of the spinal meninges?

p.27

Spinal Meninges and Their Functions

What is the function of the Pia mater in relation to the spinal cord?

p.27

Cerebrospinal Fluid (CSF) Functions

Which structure is located in the subarachnoid space?

p.27

Dural Venous Sinuses and Blood Flow

What is the role of the Rami communicantes?

p.27

Spinal Meninges and Their Functions

What is the purpose of the Denticulate ligament?

p.27

Meninges Overview

Which of the following structures is NOT part of the spinal meninges?

p.28

Spinal Meninges and Their Functions

What is the function of the filum terminale in the spinal cord?

p.28

Spinal Meninges and Their Functions

What does the term 'cauda equina' refer to in the context of the spinal cord?

p.28

Spinal Meninges and Their Functions

Which segment of the spinal cord is indicated by 'C1'?

p.28

Spinal Meninges and Their Functions

What is the lower limit of the subarachnoid space associated with?

p.28

Dura Mater Structure and Function

What is the role of the dura mater in the spinal cord?

p.29

Spinal Meninges and Their Functions

What is the purpose of a lumbar spinal puncture?

p.29

Spinal Meninges and Their Functions

In which position is the patient typically placed during a lumbar spinal puncture?

p.29

Spinal Meninges and Their Functions

What anatomical structure is highlighted during the lumbar spinal puncture procedure?

p.29

Clinical Significance of Meningeal Structures

What is a common indication for performing a lumbar spinal puncture?

p.30

Ventricles of the Brain

How many ventricles are there in the brain?

p.30

Ventricles of the Brain

What structure connects the lateral ventricles to the third ventricle?

p.30

Ventricles of the Brain

Where is the third ventricle located?

p.30

Ventricles of the Brain

What is the function of the choroid plexuses in the ventricles?

p.30

Ventricles of the Brain

What connects the fourth ventricle to the central canal of the spinal cord?

p.31

Ventricles of the Brain

What is the function of the cerebral aqueduct in the brain?

p.31

Ventricles of the Brain

Which structure is located near the cerebellum according to the illustration?

p.31

Ventricles of the Brain

What do the lateral ventricles contain?

p.31

Ventricles of the Brain

What is the role of the interventricular foramen?

p.31

Ventricles of the Brain

Which structure is located at the bottom of the illustration?

p.32

Cerebrospinal Fluid (CSF) Functions

What is the function of arachnoid granulations?

p.33

Cerebrospinal Fluid (CSF) Functions

What is the volume of cerebrospinal fluid (CSF) in the human body?

p.33

Cerebrospinal Fluid (CSF) Functions

What is the normal pressure range for cerebrospinal fluid (CSF)?

p.33

Cerebrospinal Fluid (CSF) Functions

Where does cerebrospinal fluid (CSF) circulate in the body?

p.33

Cerebrospinal Fluid (CSF) Functions

What is one of the primary functions of cerebrospinal fluid (CSF)?

p.33

Cerebrospinal Fluid (CSF) Functions

How does cerebrospinal fluid (CSF) assist in nutrient transport?

p.34

Cerebrospinal Fluid (CSF) Functions

What is the appearance of cerebrospinal fluid (CSF)?

p.34

Cerebrospinal Fluid (CSF) Functions

What is the normal volume of cerebrospinal fluid in the human body?

p.34

Cerebrospinal Fluid (CSF) Functions

How does cerebrospinal fluid assist the brain mechanically?

p.34

Cerebrospinal Fluid (CSF) Functions

What is one of the functions of cerebrospinal fluid related to waste management?

p.34

Cerebrospinal Fluid (CSF) Functions

What is the normal rate of production of cerebrospinal fluid?

p.35

Cerebrospinal Fluid (CSF) Functions

What cells line the ventricles of the brain involved in CSF formation?

p.35

Cerebrospinal Fluid (CSF) Functions

What are choroid plexuses?

p.35

Cerebrospinal Fluid (CSF) Functions

How is cerebrospinal fluid (CSF) produced?

p.35

Cerebrospinal Fluid (CSF) Functions

Which ventricles are involved in the formation of CSF?

p.35

Cerebrospinal Fluid (CSF) Functions

What is the primary function of the choroid plexuses in the brain?

p.36

Cerebrospinal Fluid (CSF) Functions

What is the role of the choroid plexus in the brain?

p.36

Ventricles of the Brain

Which structure separates the lateral ventricles in the brain?

p.36

Dural Venous Sinuses and Blood Flow

What does the term 'superior sagittal sinus' refer to?

p.36

Cerebrospinal Fluid (CSF) Functions

What type of cells are involved in the filtration of cerebrospinal fluid in the choroid plexus?

p.36

Ventricles of the Brain

In which orientation is the brain slice labeled as 'ANTERIOR' and 'POSTERIOR'?

p.37

Cerebrospinal Fluid (CSF) Functions

What is the correct pathway of cerebrospinal fluid (CSF) circulation starting from the lateral ventricles?

p.37

Cerebrospinal Fluid (CSF) Functions

How is cerebrospinal fluid (CSF) reabsorbed into the blood?

p.37

Cerebrospinal Fluid (CSF) Functions

What does the equation 'Reabsorption = formation' imply about intracranial pressure?

p.38

Intracranial Pressure and Papilledema

What is one factor that causes increased intracranial pressure (ICP)?

p.38

Intracranial Pressure and Papilledema

What is papilledema?

p.38

Hydrocephalus

What characterizes hydrocephalus?

p.38

Hydrocephalus

Which mechanism can lead to hydrocephalus?

p.38

Hydrocephalus

What can result from the blockage of CSF circulation?

p.39

Pia Mater Description

What is the outermost layer of the eye called?

p.39

Clinical Significance of Meningeal Structures

What condition is induced at the optic disc due to increased CSF pressure?

p.39

Dura Mater Structure and Function

Which structure is completely covered by cranial meninges?

p.39

Cerebrospinal Fluid (CSF) Functions

What happens to the central vein when CSF pressure increases?

p.39

Spinal Meninges and Their Functions

Which muscle is indicated on the side of the eye in the anatomy illustration?

p.40

Clinical Significance of Meningeal Structures

What is indicated by the presence of engorged vessels in the abnormal fundus image?

p.40

Clinical Significance of Meningeal Structures

What does a swollen optic nerve head with blurred margins indicate?

p.40

Clinical Significance of Meningeal Structures

In the normal fundus image, what do the labeled retinal arteriole and vein represent?

p.40

Pia Mater Description

What does the histological section of the cornea reveal?

p.41

Hydrocephalus and Intracranial Pressure

What is a key characteristic of Normal Pressure Hydrocephalus?

p.1

Cerebrospinal Fluid (CSF) Functions

Which space surrounds the brain and contains cerebrospinal fluid?

p.1

Meninges Overview

What are the three membranes that make up the meninges?

Study Smarter, Not Harder