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Flashcards in CNS Appendix A Deck (99)
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1
Q

Chordata

A

PHYLUM in which man is classified

2
Q

Vertebrata

A

SUBPHYLUM in which man is classified

3
Q

Mammalia

A

CLASS in which man is classified

4
Q

Primate

A

ORDER in which man is classified

5
Q

Homo Sapiens

A

Proper way to write the GENUS and SPECIES of man

6
Q

Adenohypophysis

A

The anterior and intermediate portions of the pituitary gland

7
Q

Neurohypophysis

A

The posterior pituitary or “pars nervosa”

8
Q

Hypophysis Cerebri

A

Pituitary gland (entire structure)

9
Q

Epiphysis Cerebri

A

Pineal gland (body)

10
Q

Embryo

A

The name given the developing human prior to the end of the second month of gestation

11
Q

Fetus

A

Name applied to the developing human after the second month through parturition (birth)

12
Q

Neonate

A

The newborn infant

13
Q

Dentate

A

Notched or toothlike

14
Q

Arcuate

A

Arranged like an arch

15
Q

Striae (striatal)

A

A groove or streak-like formation

16
Q

Rectus

A

Means straight

17
Q

Reticular

A

Net-like

18
Q

Fissure

A

A relatively deep groove (infolding)

19
Q

Sulcus

A

A relatively shallow groove (infolding)

20
Q

Gyrus

A

Tortuous convolution. Usually found between sulci or/and fissures of the cerebrum

21
Q

Folia

A

Small page-like gyro of the cerebellum

22
Q

Nuclei

A

As used in neurology, a cluster or group of neuron cell bodies located within the CNS

23
Q

Ganglia

A

A cluster or group of neuron cell bodies within the PNS (a few exceptions do exist within the CNS)

24
Q

Neuron

A

A nerve cell

25
Q

Perikaryon

A

Used synonymously with the CELL BODY (Soma) of the neuron

26
Q

Axon

A

A process of a neuron which carries the impulse away from the cell body (perikaryon)

27
Q

Hillock

A

A small prominence or elevation

28
Q

Dendrite

A

A process (often several) of a neuron which carries a charge or impulse toward the cell body

29
Q

Fiber

A

If a neuron has a dominantly LONG process (dendrite or axon) that process can be called a “fiber.” It may be designated also as a “nerve fiber” or a “neuron fiber.”

30
Q

Nerve

A

These are the whitish appearing PNS structures filled with neuron fibers which innervates the body’s parts

31
Q

Ramus

A

Literally means a BRANCH. In neurology we call the major branches off the spinal nerve trunks the white RAMUS, gray RAMUS, dorsal RAMUS, ventral RAMUS, etc.

32
Q

Axolemma

A

Name often applied to the outer plasma membrane (plasmalemma) of an axon

33
Q

Neurilemma

A

A covering around a neuron fiber created by a surrounding cell (it may or may not be myelinated)

34
Q

Vertebral Canal (Neural Canal)

A

Passageway created by the continuous nature of vertebral foramina

35
Q

Central Canal

A

A tiny channel found within the spinal cord and inferior medulla oblongata

36
Q

Aqueduct

A

Passageway, i.e. - Cerebral Aqueduct (of Sylvius)

37
Q

Leptomeninx

A

Thin membrane. Collective term for the arachnoid mater and pia mater

38
Q

Pachymeninx

A

Thick membrane. Used synonymously with the dura mater

39
Q

Somesthetic

A

To sense the body

40
Q

Modality

A

A specific sensory entity, such as gustatory (taste), olfaction (smell), pain, etc.

41
Q

Proprioception

A

The modality of SUBCONSCIOUS awareness of body position and muscle movement

42
Q

Kinesthesia

A

The modality of CONSCIOUS awareness of body position and muscle movement

43
Q

Adrenergic

A

The releasing of adrenalin-like (norepinephrine included) molecules at a target site

44
Q

Cholinergic

A

The releasing of choline-like (acetylcholine) molecules at a target site

45
Q

Chiasma

A

A crossing - usually relating to the crossing of optic fibers (i.e. - optic chiasma)

46
Q

Decussation

A

A crossing - used more liberally to indicate crossing of fibers and tracts in the CNS

47
Q

Contralateral

A

To the opposite side

48
Q

Ipsilateral

A

On the same side

49
Q

Anterograde

A

Going forward. In neurology often refers to going away from the neuron cell body

50
Q

Retrograde

A

Going backward. In neurology often refers to going back toward the cell body

51
Q

Fugal

A

Traveling away from. Used often as a suffix. i.e. - pallidalfugal (away from the pallidal nuclei)

52
Q

Lesion

A

Any type of injury, damage or “hurt” can be called a lesion

53
Q

Myelopathy

A

Lesion of the spinal cord (rarely used for entire CNS)

54
Q

Necrosis

A

Deadness. Death of cells or tissue

55
Q

Neoplasm (tumor)

A

Any new abnormal growth

56
Q

Malignant

A

Spreading life threatening neoplasm

57
Q

Metastatic

A

Transferring to other tissue

58
Q

Idiopathic

A

Generally used to mean something of unknown cause

59
Q

Ischemia

A

Means to suppress blood supply to an area. This results in abnormal function and may lead to necrosis

60
Q

Hematoma

A

An accumulation of blood outside of the blood vessels (i.e. - subdural hematoma, etc.)

61
Q

Aneurysm

A

An abnormal dilation of a blood vessel wall and its lumen (forms a blood containing sac)

62
Q

Stroke

A

Blood vascular loss in the CNS leading to permanent or prolonged brain damage (cerebrovascular accident [CVA])

63
Q

Angiography

A

X-Ray of blood vessels injected with radiopaque dyes

64
Q

Myelography

A

X-Ray of vertebral canal and spinal cord structures following injection of radiopaque dyes into the CSF

65
Q

Ataxia

A

General term for IRREGULARITY in skeletal muscle coordination

66
Q

Paralysis

A

Total or partial LOSS of normal motor function

67
Q

Aphasia

A

Inability to communicate by speech, writing or signs

68
Q

Dysphasia

A

A partial or unusual loss of communicative ability

69
Q

Archi

A

Prefix meaning beginning or original

70
Q

Paleo

A

Prefix meaning “old” - similar to but not used interchangeably with “Archi” in the CNS

71
Q

Neo

A

Prefix meaning “new” - usually in contrast to archi or paleo

72
Q

Cauda Equina

A

Horses’ Tail

73
Q

Cephalgia

A

Headache (also spelled cephalalgia)

74
Q

Cornu

A

Horn-like projection (cornua is plural)

75
Q

Crus

A

Leg or leg-like

76
Q

Cytoarchitecture

A

The PATTERN of cell arrangements

77
Q

Falx

A

Sickle-shaped (Falces is plural)

78
Q

Fenestra

A

Window-like

79
Q

Foramen

A

Opening (such as Foramen Magnum)

80
Q

Glial

A

Means “glue like.” Several CNS cell types are included as glial cells

81
Q

Micron

A

A metric system unit of length. The world means “small” and is measured at 1X10^(-6) meters. Alpha is its abbreviation. (Micron and micrometer are synonymous terms)

82
Q

Operculum

A

Means lid or covering

83
Q

Pallium

A

To “cloak.” Used synonymously with “cortex” (i.e. - cerebral cortex is the same as cerebral pallium)

84
Q

Pons

A

Bridge. Located between the M.O. and the midbrain (a subdivision of the brain stem)

85
Q

BBB

A

Blood brain barrier

86
Q

CSF

A

Cerebrospinal Fluid

87
Q

CVA

A

Cerebrovascular accident

88
Q

TIA

A

Transient Ischemic Attack (often precedes the CVA) or RIND (Reversible ischemic neurologic deficit)

89
Q

DRG

A

Dorsal root ganglia

90
Q

IVF

A

Intervertebral Foramen (opening through which the spinal nerve emerges from the vertebral canal)

91
Q

EEG

A

Electroencephalogram (graph). Record and instrument used to pick up brain waves

92
Q

CAT

A

Computerized Axial Tomography device (employs X-Rays and is widely used)

93
Q

MRI

A

Magnetic Resonance Imaging (utilizes large magnets which rearrange hydrogen molecules)

94
Q

PET

A

Positron Emission Tomography (Device using radioactively labeled compounds for functional analysis)

95
Q

M.O.

A

Medulla Oblongata

96
Q

M.S.

A

Multiple Sclerosis

97
Q

ALS

A

Amyotrophic Lateral Sclerosis (Lou Gehrigh’s Disease)

98
Q

GABA

A

Gamma Aminobutyric Acid. An amino acid which is a common inhibitory CNS neurotransmitter

99
Q

ACH

A

Acetylcholine (First neurotransmitter identified - widespread in CNS and PNS)