Appendix A Flashcards
Chordata
Phylum humans belong to
Vertebrata
Subphylum man classified in
Mammalia
Class man is classified in
Primate
Order man classified in
Homo sapiens
Genus and species of man
Adenohypophysis
Anterior and intermediate portions of pituitary gland
Neurohypophysis
Posterior pituitary (pars nervosa)
Hypophysis Cerebri
Pituitary Gland (entire structure)
Epiphysis Cerebri
Pineal gland (body)
Embryo
Developing human before end of second month of gestation
Fetus
Developing human after second month of gestation
Neonate
Newborn infant
Dentate
Notched or Toothlike
Arcuate
Arranged like arch
Striae
Grove or streak like formation
Rectus
Straight
Reticular
Net like
Fissure
Relatively deep groove (infolding)
Sulcus
Relatively shallow groove (infolding)
Gyrus
Tortuous convolution
Between sulci and/or fissures of cerebrum
Folia
Small page like gyri of cerebellum
Nuclei
Cluster or group of neuron cell bodies located in CNS
Ganglia
Cluster or group of neuron cell bodies within PNS
Neuron
Nerve cell
Perikaryon
Synonym for cell body (soma) of neuron
Axon
Process of neuron that carries impulse away from cell body
Hillock
Small prominence or elevation
Dendrite
Process of neuron that carries charge/ impulse toward cell body (often many)
Fiber
Neuron with dominantly long process (dendrite or axon)
Nerve
Whitish appearing PNS structures filled with neuron fibers which innervate the body
Ramus
Branch
Major branches off spinal nerve trunks (white, gray, dorsal, ventral, etc.)
Axolemma
Outer plasma membrane (plasmalemma) of axon
Neurilemma
Covering around neuron fiber created by surrounding cell
Vertebral canal (Neural Canal)
Passageway created by continuous nature of vertebral foramina
Central canal
Tiny channel found within spinal cord and inferior medulla oblongata
Aqueduct
Passageway
Leptomenix
Thin membrane (synonym with arachnoid and pia matter)
Pachymeninx
Thick membrane (synonym with dura mater)
Somesthetic
To sense the body
Modality
Specific sensory entity
Proprioception
Modality of subconscious awareness of body position and muscle movement
Kinesthesia
Modality of conscious awareness of body position and muscle movement
Adrenergic
Releasing of Adrenalin-like (NorEpi) molecules at target site
Cholinergic
Releasing of choline-like (Acetylcholine) molecules at target site
Chiasma
Crossing- usually relating to crossing of optic fibers
Decussation
Crossing- more liberally to indicate crossing of fibers and tracts in CNS
Contralateral
To the opposite side
Ipsilateral
On the same side
Anterograde
Going forward- refers to going away from neuron cell body
Retrograde
Going backward- going back toward cell body
Fugal
Traveling away from- often a suffix
Lesion
Any type of injury, damage, or “hurt”
Myelopathy
Lesion of the spinal cord (rarely used for entire CNS)
Necrosis
Death of cells or tissue
Neoplasm
Tumor
Any abnormal growth
Malignant
Spreading life threatening neoplasm
Metastatic
Transferring to other tissues
Idiopathic
Something of unknown cause
Ischemia
Suppress blood supply to an area, resulting in abnormal function and may lead to necrosis
Hematoma
Accumulation of blood outside of blood vessels
Aneurysm
Abnormal dilation of blood vessel wall and its lumen (forms blood containing sack)
Stroke
Blood vascular loss in CNS leading to permanent or prolonged brain damage
(Cerebrovascular accident)
Angiography
X-ray of blood vessels injected with radiopaque dyes
Myelography
X-ray of vertebral canal and spinal cord structures following injection of radiopaque dyes into CSF
Ataxia
Irregularity in skeletal muscle coordination
Paralysis
Total or partial loss of normal motor function
Aphasia
Inability to communicate by speech, writing or signs
Dysphasia
Partial or unusual loss of communicative ability
Archi
Prefix meaning beginning or original
Paleo
Prefix meaning old
Neo
Prefix meaning new
Cauda Equina
Horses’ tail
Cephalgia
Headache
Cornu
Horn-like projection
Crus
Leg or leg like
Cytoarchitecture
Pattern of cell arrangements
Falx
Sickle shaped
Fenestra
Window like
Foramen
Opening
Glial
Glue like
Micron
Metric system unit of length Means small (1 X 10^-6 meters)
Operculum
Lid or covering
Pallium
To cloak
Synonym with cortex
Pons
Bridge
Located between MO and midbrain
BBB
Blood brain barrier
CSF
Cerebralspinal Fluid
CVA
Cerebrovascular accident
TIA
Transient ischemic attack
DRG
Dorsal root ganglia
IVF
Intervertebral foramen
Opening spinal verve emerges from vertebral canal
EEG
Electroencephalogram
Records brain waves
CAT
Computerized axial tomography
X-rays
MRI
Magnetic Resonance Imaging
Large magnets rearranging H molecules
PET
Position Emission tomography
Radioactively labeled compounds for analysis
MO
Medulla Oblongata
MS
Multiple Sclerosis
ALS
Amyotrophic Lateral Sclerosis
GABA
Gamma Aminobutyric Acid
Common inhibitory neurotransmitter in CNS (Amino Acid)
ACH
Acetylcholine