Anatomy Chapter 7 and 8 Review
Choroid plexuses
Cerebrospinal fluid is formed by the ___
Ganglia
Collections of nerve cell bodies outside the central nervous system
Gustatory Cells
Epithelial cells that respond to chemicals that have been dissolved in saliva
Lacrimal gland
Gland that secretes mild salty solution over the eye that helps destroy bacteria on the eye
Deafness
Hearing loos of any degree
Myelinated
Impulse conduction is fastest in neurons that are __
Dendrite
Information travels to the body of a neuron through the ___
Cerebrum
Language center is here; stores long-term memory; plays a major role in the interpretation of sensory impulses
Hearing
Ossicles, tympanic membrane, and the cochlea are all involved with ___
Equilibrium
Otoliths and the organ of court are involved with ___
Taste buds
Our receptors of the sense of taste
Midbrain
Part of the brain stem
Acetylene
An example of a neurotransmitter is ___
Optic Disk
Blind Spot
Respiratory gases
Can cross capillary walls in the brain
Glaucoma
Compression of the optic nerve due to the inability t drain aqueous humor, may result in blindness
Vagus
Cranial nerve X is the ___ nerve
Myopia
Disorder in which the eye can not focus on objects far away
Hyperopia
Disorder in which the eye cannot focus on objects which are very close
Cataract
Disorder in which the lens of the eye becomes opaque
Tympanic membrane
Eardrum
Choroid
Layer of the eye which contains the blood vessels
Trochlear
Motor Fibers for the superior oblique
Oculomotor
Motor fibers for the controlling lens shape and pupil size, and motor fibers for the superior rectus, inferior rectus, medial rectus and inferior oblique of the eye
Vagus
Motor fibers for the digestive system and heart regulation
Accessory
Motor fibers that activate the sternocleidomastoid and the trapezius
Facial
Motor fibers to activate muscles of the face and lacrimal and salivary glands, also sensory fibers from the anterior aspect of the taste buds in tongues
Hypoglossal
Motor fibers to control tongue movements and sensory fibers from the tongue
Abducens
Motor fibers to the lateral rectus muscles, which rolls the eyes laterally
Cerebellum
Muscle Coordination
Neurons
Nerve cells are called ___
6
Number of extrinsic muscles on the eye
Hypothalamus
Plays a major role in the interpretation of sensory impulses
Olfactory receptor
Receptors for the sense of smell
Medulla
Relates heart-rate, blood pressure and breathing; attaches to the spinal cord; part of the brain stem
Thalamus
Relay station for sensory impulses
Trigeminal
Sensory fibers from the skin of the face and mucosa of the mouth and nose, motor fibers for activating the chewing muscles
Olfactory
Sensory fibers that carries impulses for the sense of smell
Optic
Sensory fibers that carries impulses for vision
Vestibulocochlear
Sensory fibers vestibular for balance and te cochlear for the impulses of hearing
Sulci
Shallow grooves on the brain are called__.
Contractions of skeletal muscles
Somatic reflexes consists of ___
sweet, sour, bitter, salty, umami
Taste buds of the tongue can detect which tastes.
meninges
The ___ are protective coverings, continuous around the brain and spinal cord
PNS
The ___ consists mainly of nerves that extend from the brain and spinal cord.
Fovea centralis
The ___ is an area that contains a high concentration of cones
Parasympathetic
The ___ part of the autonomic nervous system controls helps regulate digestive system and cardiac muscle tissue
Cerebellum
The brain stem does not include ___
Oligodendrocytes
The cells which for the myelin sheath around nerve cells in the CNS are called___
auricle
The external structure that surrounds the auditory canal
sympathetic
The fight or flight response is part of the ___ part of the nervous system
Lens
The flexible biconvex lens structure in the eye that focuses light on the retina
Aqueous humor
The fluid found in the anterior chamber of the eye
Vitreous Humor
The gel-like fluid of the ye that is found in the chamber which is posterior to the lens
Pia mater
The innermost layer of the meninges is the ___
Retina
The layer of the eye that is found in the chamber which is posterior to the lens
Dura Mater
The layer of the meninges that serves as the inner periosteum of the cranial bone is the ___
Rods
The main function of the ___ is vision in dim light or gray vision
Astrocytes
The nerve support cells ,in the CNS, that anchors the neurons to the capillaries are called ___
Iris
The pigmented part of the eye
Pupil
The round opening in the iris
Vertigo
The sensation of spinning
Ossicles
The smallest bones in the body
Skeletal muscles
The somatic nerves give us voluntary control of out ___
31 pairs
The spinal nerves are connected to the spinal cord and consist of ___
fovea centralis
The spot on the eye that contains only cones
Brain and spinal cord
The term "central nervous system" refers to the ___
Cornea
The transparent part of the eye through which light enters the eye
Incus
The true name of the anvil
Cerumen
The waxy yellow substance found in the external auditory canal
Sclera
The white part of the eye
Otoliths
Tiny stones of calcium salts found in the inner ear, used for static equilibrium
Myelinated
White matter consists of neurons which are ____
Neurotransmitters
___ are chemicals released by neurons that stimulate other neurons or other cells
Schwann Cells
___ cells form myelin sheaths around nerve fibers in the PNS
Cerebrospinal fluid
___ circulates around the brain and the spinal cord
Synaptic cleft
___ is the tiny gap found between an axonal terminal and a dendrite
Efferent
___ nerve fibers carry impulses away from the CNS
Colorblindness
caused by a recessive gene found on the X chromosome
Neuroglia
support cells for the nervous system, found in the CNS