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Anatomy
Regions of the Human Body; Vertebral Column
48
Biology
Undergraduate 1
04/16/2008

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Cards

Term
Movements of the Vertebral Column
Definition

flexion, extension, rotation, lateral bending

Term
33 bones of vertebrae
Definition

7 cervical

12 thoracic

5 lumbar

*5 sacral

1-4 coccygeal

 

* fused

 

Term

cervical vertebrae where?

thoracic vertebrae where?

lumbar vertabrae where?

sacral vertebrae where?

coccygeal vertebrae where?

Definition

neck region

thoracic region

abdominal region

pelvic region

pelvic region

 

Term

coverings of spinal cord and spinal nerves called?

 

Definition
meninges
Term
function of vertebra
Definition

protect:

spinal cord

spinal nerves

coverings of both (meninges)

 and

support for weight of body

 

Term
curvatures of vetebral column
Definition

primary:

thoracic

sacral

 

secondary:

cervical

lumbar

 

 

Term

curvatures of vertebral column develop when?

 

Definition

primary 

 3-9 months intrauterine

 

secondary

 cervical when holds head up

lumbar when walks

Term

kyphosis

 

what and where?

 

Definition

hunchback

 

curvature of upper spine (thoracic)

 

*shorter in height

 

Term

lordosis

what and why?

Definition

swayback (pregnancy)

weak trunk muscles

 

 

Term

scoliosis

what and where?

 

Definition
curvature in thoracic region
Term

atlas

where and what missing?

Definition

1st cervical vertebra

missing body and spinous process

Term
cervical vertebrae characteristics
Definition
(all 7) have foramen in transverse processed
Term

structure of typical vertebrae

Definition

vertebral arch (paired pedicles)

vertebral body

spinous process

costal (rib) facets or demifacets 

transverse processes

vertebral foramen

vertebral canal

vertebral foramen

intervertebral disc

 

Term

intervertebral disc composed of:

 

Definition

annulus fibrosis

band surrounding gelationous mass; fibrocartilagenous

 

 

nucleus pulposus

gelatinous mass; mostly water, like embryonic notochord (precursor to vetebral colmn)

 

Term

1) extrinsic

2) intrinsic

Definition

1) originate outside of region being studied

 

2) origin and instertion inside area being studied

Term

1) origin

 

2) insertion

 

Definition

1) less movable: attached to fixed trunk of body

 

2) more movable; attached to movable limbs of body

Term

muscles move how?

 

Definition
from insertion toward origin
Term
superfical muscles of back
Definition

trapzius

latissimus dorsi

Term
spinal nerves
Definition

8 cervical

12 thoracic

5 lumbar

5 sacral

1 coccygeal

Term
erector spinae muscles
Definition

iliocostalis

longissimus

spinalis

Term

longissimus sections

 

Definition

longissimus capitus

longissimus cervicus

longissimus thoracis

 

Term

iliocostalis sections

 

Definition

iliocostalis cervicis

iliocostalis thoracis

iliocostalis lumborum

Term

semispinalis parts/ and spinalis

Definition

semispinalis capitis

semispinalis cervicus

semispinalis thoracis

 

spinalis thoracic

 

Term

medullary cone

 

what and where?

Definition

where the end of the spinal cord narrows

 

at intervertebral disc between L1 and L2

Term

terminal filum

 

what and where?

Definition

anchors spinal cord to end of medullary cone

 

from medullary cone to coccyx

Term

cauda equina (horse tail)

 

what and where?

Definition

spinal nerves

 

below L1

Term

white matter transfers what to gray matter?

 

Definition

white matter sends message to gray matter

gray matter does the thinking

Term

4 curvatures of vertebral column

Definition

cervical

thoracic

lumbar

pelvic

 

Term

radiographs detect:

Definition

water

fat

bone

air

Term
somatic
Definition
supplies & receives fibers (neurons) to & from the skin, skeletal muscles, joints, & tendons
Term
visceral
Definition
supplies & receives fibers to & from smooth muscle, cardiac muscle, and glands
Term
intrinsic muscles of the back
Definition

superficial:

splenius capitis

splenius cervicus

 

deep:

iliocostalis

longissimus

spinalis

 

Term
iliocostalis origin and insertion
Definition

origin: ilieum (pelvic bone)

 

insertion:

1) angles of the ribs

2) transverse processes of cervical vertebrae

Term
longissimus origin and insertion
Definition

origin: sacrum

 

insertion: skull and cervical vertebrae

Term

splenius capitis origin and insertion

 

Definition

origin: spinous processes T3-C7

 

insertion:occupital bone and mastoid process

Term
splenius cervicis origin and insertion
Definition

origin: spinous processes T3-C7

 

insertion: transverse processes C1-C3

Term
when all 4 splenius muscles contract??
Definition
head is extended up
Term
when cervicis and capitis muscles on one side contract?
Definition
head leans to that side
Term
6 extrinsic muscles of back
Definition

deltoid

trapezius

latissimus dorsi

levator scapulae

rhomboid major

rhomboid minor

Term
what holds scapula rigidly in place?
Definition
major/minor rhomboids
Term
what moves shoulders?
Definition
scapula
Term
what does levator scapulae do?
Definition
elevates scapula
Term
what do rhomboid major and minor do?
Definition

fix medial border of scapula to posterior thoracic wall

Term
which superior rhomboid: minor or major?
Definition
minor rhomboid
Term
humerus
Definition
upper arm bone between shoulder and elbow
Term
what does deltoid do?
Definition
prime abductor of humerus
Term

trapezius origin and insertion

 

Definition

origin:

head

 

insertion:

upper limb

Term
latissumus dorsi origin and insertion
Definition

origin: back

 

insertion: arm

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