BIO 223 Brain Defintions

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Biology - Anatomy

user_kambeorv Created by 9 mon ago

Cards in this deck(34)

Collections of nerve cell bodies

Largest part of the brain; responsible for voluntary muscular activity, vision, speech, taste, hearing, thought, and memory.

the "little brain" at the rear of the brainstem; functions include processing sensory input and coordinating movement output and balance. timing and coordination

An important structure adjacent to the brainstem that contains the hypothalamus (which controls emotions) and the thalamus (which relays sensory impulses to various portions of the cerebral cortex) is called the:

A small part of the brain above the pons that integrates sensory information and relays it upward.

A brain structure that relays information from the cerebellum to the rest of the brain. respiratory nuclei

Part of the brainstem that controls vital life-sustaining functions such as heartbeat, breathing, blood pressure, and digestion.

midbrain, pons, and medulla collectively

Circulate cerebrospinal fluid throughout the brain. Order: Lateral (flows into) IIIrd (flows into) Cerebral aqueduct (flows into) IVth.

~shallow grooves separating the gyri ~ Divides the cerebral hemispheres into lobes

Large folds of tissue covering the surface of the cerebrum

separates cerebral hemispheres

A region of the cerebral cortex that has specialized areas for movement, abstract thinking, planning, memory, and judgement

A region of the cerebral cortex whose functions include processing information about touch.

A region of the cerebral cortex that processes visual information

A region of the cerebral cortex responsible for hearing and language.

cerebral lobe located deep within lateral sulcus

The intricate fabric of interconnected neural cells covering the cerebral hemispheres; the body's ultimate control and information-processing center.

Brain and spinal cord tissue that appears gray with the naked eye; consists mainly of neuronal cell bodies (nuclei) and lacks myelinated axons.

Association cortex is the cerebral cortex outside the primary areas. It is essential for mental functions that are more complex than detecting basic dimensions of sensory stimulation, for which primary sensory areas appear to be necessary.

the section of the frontal lobe responsible for voluntary movement

part of frontal lobe responsible for thinking, planning, and language

the region of the anterior parietal lobe whose primary input is from the somatosensory system

Represents the nerve distributions for each body part. The size of each body part represents the level of neural innervation.

controls language expression - an area, usually in the left frontal lobe, that directs the muscle movements involved in speech.

language comprehension

connects the hemispheres of the brain

Contains pineal body. Involved in olfactory senses and sleep/wake cycle

the brain's sensory control center, located on top of the brainstem; it directs messages to the sensory receiving areas in the cortex and transmits replies to the cerebellum and medulla

A neural structure lying below the thalamus; it directs several maintenance activities (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and is linked to emotion and reward.

An area of the midbrain that is involved in motor control and contains a large concentration of dopamine-producing neurons

neural system located below the cerebral hemispheres; associated with emotions and drives

part of the limbic system that stores affect about memories (fear, anger, rage, love, happiness)

a neural center located in the limbic system; helps process explicit memories for storage

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BIO 223 Brain Defintions

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