Anatomy 1 Exam 2 Flashcards
structural and functional unit of nervous tissue
Neuron
Arteries do have a lumen and appear cream in colorNerves appear shiny and contain no lumen (opening)
Function of nervous system is to transmit nerve impulses throughout the bodyNerves made up of individual fibers
Peripheral Nervous System1. Spinal nerves2. Cranial nerves
Central Nervous System1. Brain (encephalon)2. Spinal cord
Cranial Nerve I
Olfactory nerve-control sense of smell-most anterior
Cranial Nerve II
Optic nerve-control sense of sight
Cranial Nerve III
Oculomotor
Cranial Nerve IV
Trochlear
Cranial Nerve V
Trigemina-splits in 3 parts
Cranial Nerve VI
Abducens
Cranial Nerve VII
Facial
Cranial Nerve VIII
Acoustic (auditory)
Cranial Nerve IX
Glossopharyngeal
Cranial Nerve X
Vagus
Cranial Nerve XI
Spinal accessory
Cranial Nerve XII
Hypoglossal-most posterior
Largest portion of brain2 distinct halves called hemispheresCenter for higher emotional acts ie: thinking, reasoning, memory
Cerebrum
Located posterior base of cranial cavityControls equilibrium (balance) and coordinates various muscle actions
Cerebellum
Consists of several different parts known ie: midbrain, diencephalon, pons, & medulla oblongata
Brain Stem
Serves as a line of communication between the spinal cord and the brainClassified as part of the brain itself
Brain Stem