Chapter 13: Study Guide and Chapter Outline

These flashcards cover key concepts from the study guide on brain anatomy, development, protection, functions, and clinical implications.

Cerebrum

Major brain region consisting of two hemispheres and five lobes per hemisphere.

Gyri

Ridges on the surface of the brain.

Sulci

Depressions or grooves on the surface of the brain.

Fissures

Deep sulci that separate lobes of the brain.

Anterior

Directional term also known as rostral.

Posterior

Directional term also known as caudal.

Neurulation

Process involving the formation of the neural plate and groove.

Cranial neuropore

Opening at the cranial end of the neural tube.

Caudal neuropore

Opening at the caudal end of the neural tube.

Neural tube defects

Abnormalities like anencephaly and spina bifida resulting from improper neural tube closure.

Primary Vesicles

The three initial brain vesicles: Prosencephalon, Mesencephalon, Rhombencephalon.

Secondary Vesicles

The derivatives of primary vesicles, such as Telencephalon and Diencephalon.

Vitamin B12 and folate

Nutrients important for the prevention of neural tube defects.

Cranial Meninges

Three protective membranes: pia mater, arachnoid mater, dura mater.

Subarachnoid space

Space containing cerebrospinal fluid (CSF) that circulates around the brain.

Hematomas

Blood clots that can form within the cranial cavity.

Meningitis

Inflammation of the meninges, potentially serious infection.

Cerebrospinal Fluid (CSF)

Fluid that circulates in the subarachnoid space, protects the brain.

Choroid plexus

Structure responsible for the formation of cerebrospinal fluid.

Blood-Brain Barrier (BBB)

Selective permeability mechanism that protects the central nervous system.

Frontal Lobe

Part of the cerebrum involved in motor control, planning, and personality.

Parietal Lobe

Part of the cerebrum primarily responsible for sensory processing.

Temporal Lobe

Part of the cerebrum that processes hearing and smell.

Occipital Lobe

Part of the cerebrum that is primarily responsible for vision.

Insula

Region of the brain involved in taste and memory.

Primary motor cortex

Area responsible for executing voluntary motor functions.

Broca's area

Region involved in speech production.

Somatosensory cortex

Area that processes sensory information from the body.

Visual cortex

Region that processes visual information.

Prefrontal cortex

Part of the brain involved in decision-making.

Midbrain

Component of the brainstem involved in reflexes and dopamine production.

Pons

Part of the brainstem that controls respiratory functions.

Medulla Oblongata

Component that regulates cardiovascular and respiratory functions.

Cerebellum

Part of the brain responsible for coordination, balance, and motor learning.

Limbic System

Set of structures involved in emotional processing and memory formation.

Reticular Activating System

Network that maintains alertness and consciousness.

Hippocampus

Region associated with the formation of memories.

Amygdala

Structure involved in emotional responses, especially fear.

Wernicke's area

Region of the brain responsible for language comprehension.

Clinical implications of cranial nerves

Consequences of damage or dysfunction of nerve functions.