• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/106

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

106 Cards in this Set

  • Front
  • Back

Somatic Motor Nuron

Skeletal Muscle; voluntary

Atonomic

Smooth/Cardiac; involuntary

Astrocyte

CNS; located between neuron and body substances; blood brain barrier; resource distribution

Oligodendrocytes

CNS; creates myelin around neurons; can contain multiple axons; greatly increases nerve impulses

Ependymal Cells

CNS; lines access to cerebrum; is a primary component in the blood/brain barrier

Microglia

CNS; similar to macrophages; recycles material; immune component

Schwann Cells

PNS; creates myelin around neurons; greatly increases nerve impulses

Myelin Sheath

Structure that covers axons of neurons; speeds up impulse speed; created by ogliodendrocytes and schwann cells

Myelin

Substance that surrounds axons; created by ogliodendrocytes and schwann cells

Nodes of Ranvier

Spaces between myelin sheath segments

White matter

Myelinated axons present; surface of brain

Grey matter

Non-myelinated axons present; interior of brain

Cerebrum

Brain

Longitudinal fissure

Separates right and left hemispheres; only to corpus collosum

Lateral ventricle

Largest part of the CSF fluid circulation lumen; two ventricles

Corpus collosum

Superior portion of the diencephalon

Cerebral Cortex

Exterior of brain

Convolutions

The undulating exterior of the brain surface

Gyrus

Lowest point in a convolution

Sulcus

Highest point in a convolution

Frontal lobe

Anterior portion of the brain; sense of smell

Central Sulcus

Superior portion of cerebrum; on parietal lobe; seperates front and back parts of cerebrum

Parietal lobe

Under associated bone; sensory information

Temporal lobe

Under associated bone; auditory information

Occipital

Located under associated bone; visual information

Diencephalon

Superior to midbrain; encompasses thalamus, hypothalamus, epithalamus and pineal body

Pineal Gland

Creates various hormones; posterior diencephalon

Pituitary gland

Creates various hormones; inferior to hypothalamus

Brain stem

Deep; encompasses midbrain, pons and medulla oblongata; superior to spinal column

Midbrain

Superior portion of brain stem

Cerebral aqueduct

CSF duct between 3rd and 4th ventricle

Pons

Mid portion of brain stem

Medulla oblongata

Inferior portion of brain stem

Cerebellum

"little brain"; inferior/dorsal structure of brain; motor coordination

Meninges

Structure that covers the brain and spinal cord; three layers

Dura mater

"Tough mother"; protective layer; durable; outer layer

Arachnoid mater

"Spider mother"; middle layer; delicate web like structures

Subarachnoid space

Filled with CSF; between arachnoid mater and pia mater

Pia mater

"Delicate mother"; inner layer; non-durable

Choroid plexus

CSF production; component of blood plasma from capillary filtration; circulated

3rd ventricle

Inside structure of the diencephalon; middle of brain; superior to cerebral aqueduct

4th ventricle

Lowest ventricle; inferior to cerebral aqueduct; inside posterior portion of pons

Cerebral aqueduct

Duct between 3rd and 4th ventricles

Central canal

Duct that allows CSF to flow through spinal cord

Arachnoid villi/granulation

Location in which CSF is circulated out of cerebral interior

Dural sinuses

Vein that allows for CSF return to blood stream

Conus medullaris

Tapered end of the spinal cord

Filum terminale

Strand/fiber of pia mater that continues inferior to the conus medullaris

Cauda equina

"Horse tail"; CNS neurons that continue beyond the conus midullaris

Lumbar puncture/Spinal tap

Centesis of the of the spine

CN-1

Olfactory; sensory; nose

CN-2

Optic; sensory; eye

CN-3

Oculomotor; motor; eye muscles (Not CN-4/6)

CN-4

Trochlear; motor; superior oblique

CN-5

Trigeminal; mixed; face, teeth, sinuses, etc.; muscles of mastication

CN-6

Abducens; motor; lateral rectus

CN-7

Facial; mixed; facial muscles

CN-8

Vestibulocochlear; sensory; ear

CN-9

Glossopharyngeal; mixed; pharynx muscles; posterior toung

CN-10

Vagus; mixed; heart; lungs; gastrointestinal

CN-11

Accessory; motor; sternocleidomastoid/trapezius

CN-12

Hypoglossal; motor; toung

Aponeurosis

Attachment point; wide fibers

Synergist

Cooperation of another muscle

Antagonist

Works against another muscle

Flexion

Bends; anterior

Extension

Straightens; posterior

Abduction

Move away from body

Adduction

Move toward the body

(A)

(A)

Lacramal Gland

(B)

(B)

Superior lacrimal punctum

(C)

(C)

Superior lacrimal canal

(D)

(D)

Lacrimal sac

(E)

(E)

Inferior lacrimal punctum

(F)

(F)

inferior lacrimal canal

(G)

(G)

Nasolacrimal duct

Conjunctiva

The mucous membrane that covers the front of the eye and lines the inside of the eyelids.

Levator palpebrae superioris

Subscapularis

Gluteus maximus

Gluteus medius

Gluteus minimus

General senses

Touch, pain, temperature and pressure

Special senses

Smell, taste, sight, hearing and equilibrium

Palpebrae

Eyelids

Sclera

Fibrous and protective; outer layer (eye)

Choroid

Vascular; middle layer (eye); absorbs excess light

Retina

Sensory; inner layer (eye); contains photorecieptors

Cornea

Clear; "window of the eye"

Ciliary muscle

Adjusts lens; attached to suspensory ligaments

Iris

Colored part of eye

Pupil

Black center of eye

Rods

Black/white reciptors; general vision

Cones

Color receptors; detailed vision

Macula

General area where photoreceptors are most prevalent

Fovea centralis

Specific location where photoreceptors are the most numerous

Optic disk

No rods/cones; "blind spot"; entry for optic nerve and various blood vessels

Aqueous humor

Anterior eye; derived from plasma; liquid

Scleral sinus

Location where aqueous humor returns to blood stream as plasma

Vitreous humor

Posterior eye; clear gel; maintains eye shape

Vestibule (ear)

Sense of balance

Cochlea

Sense of hearing​

Oval window

Connects to stapes via membrane

Malleus

Attaches to tympanic membrane; "hammer"

Incus

Between malleus and stapes; "anvil"

Stapes

connects to oval window; "sturrup"