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