Midterm Flashcards
(93 cards)
Somatic Division (Nervous System)
Nerve cells that connect the brain to the outside world.
Autonomic Division (Nervous System)
Nerve cells that regulates vital functions such as heart rate, digestion, lung movement, sexual arousal, etc.
Vasculatures
Blood vessels of the brain.
Anterior vs. Posterior
Front vs. Back
Ventral (Inferior) vs. Dorsal (Superior)
Bottom vs. Above
Medial vs. Lateral
Middle vs. Sides
Coronal Section
Cut from one lateral side to the other lateral side and viewed from back to front.
Sagittal Section
A cut lengthways from the front to back and viewed from the side.
Horizontal Section
A cut that falls along the horizon and is usually viewed looking down on the brain from above.
Meninges
The 3 layers of membranes that protect the brain and spinal cord.
Dura Mater
The tough outer layer of fibrous tissue that encloses the brain in a loose sack.
Arachnoid Layer
Like a spider web, a thin sheet of delicate connective tissue that follows brain contours.
Pia mater
Moderately tough inner layer that clings to the brain’s surface.
Cerebrospinal Fluid (CSF)
Clear solution of sodium chloride and other salts that circulates around the brain and spinal cord.
Blood Brain Barrier (BBB)
Blood vessels that vascularizes the CNS (central nervous system) and that possess a highly selective semipermeable barrier that prevents solutes in circulating blood from entering into the CNS tissue.
Cerebrum
The largest area that contains major lobes of the brain.
Lateralization
Processes whereby functions become localized primarily on one side of the brain.
Cerebral Cortex
The outer layer of the cerebrum where thin set of nerve tissue that is folded many times fits into the skull akin to the bark of a tree; the outer layer of the cerebrum.
Gyrus (pl. Gyri)
Brain bumps or protrusions.
Sulcus (pl. Sulci)
Brain groves.
Frontal Lobe (Function)
Voluntary movement, expressive language, and managing high level executive functions and actions.
Parietal Lobe (Function)
Receiving and processing information.
Temporal Lobe (Function)
Auditory information processing.
Occipital Lobe (Function)
Visual perception including colour, form, and motion.