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Anatomy Compiled > 2.1 Deep Back > Flashcards

2.1 Deep Back Flashcards

1
Q

Number of vertebrae and sections

A

33 vertebrae7 cervical12 thoracic5 lumbar5 sacral4 coccygeal

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2
Q

Period when cervical vertebrae becomes convex

A

4th to 5th month when the baby gains control of his head

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3
Q

Period when the lumbar area becomes convex

A

1 year when the baby begins to walk

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4
Q

Main mass of the bone; also the weight-bearing structure

A

Vertebral body

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5
Q

Identify and classify the intervening disks between vertebrae

A

Intervertebral discsSymphyses: fibrocartilaginous joints

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6
Q

Cartilage that covers the superior and inferior surfaces of the vertebral body

A

Hyaline cartilage

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7
Q

Process of the vertebrae which act on rotation, and maintains extended position of back

A

Transverse processes

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8
Q

Serve as shock absorbers

A

intervertebral discs

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9
Q

Parts of the intervertebral discs and corresponding description

A

Annulus fibrosus: multiple layers of fibrous cartilage in different directions like a tireNucleus pulposus: gel for shock absorbance

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10
Q

Where spinal nerves exit, blood supply enters and where venous structures enter and exit

A

Intervertebral foramen

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11
Q

Synovial joint formed by the inferior and superior articular processes; also, classify the joint

A

Zygopophysial joint; gliding joint

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12
Q

Smallest among 24 movable vertebrae

A

Cervical vertebrae

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13
Q

Describe the cervical vertebrae

A

Large and triangular foramenSmall and wide vertebral bodyNearly horizontal articulation of articular facets

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14
Q

Also known as the atlasWidest of the cervical vertebraeYES bone

A

C1 vertebrae

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15
Q

NO bone;Also known as the axis

A

C2 vertebrae

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16
Q

Describe the thoracic vertebrae

A

heart-shaped bodycircular and smaller vertebral foramenoverlapping spinous process which allows body to bend backaction is mainly rotationWith demifacet

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17
Q

Describe T12

A

one costal facetbody is cubical, so it’s prone to fracture

18
Q

Describe lumbar vertebrae

A

Massive body, kidney-shapedTriangular vertebral foramenLong and slender transverse processHatchet-shaped spinous processesFlexion, extension, and lateral flexion

19
Q

processes of the lumbar vertebrae which provides attachment to multifidus and intertransversarii

A

Mamillary processess

20
Q

Process of the lumbar vertebrae which provide attachment to intertransversarii muscles

A

Accessory processes

21
Q

Largest of all movable vertbraeCarries the weight of the whole upper body

A

L5

22
Q

Level where spinal cord ends

A

L1-L2

23
Q

Ligament which encompasses almost hte entire anterior surface of the vertebral columnAttaches the base of the skull to sacral curvature

A

Anterior longitudinal ligament

24
Q

Function of the anterior longitudinal ligament

A

Limits overextension

25
Q

Ligament within the vertebral canal;Contains nociceptive endings

A

Posterior longitudinal ligament

26
Q

Action of the posterior longitudinal ligament

A

Weakly resists hyperflexionHelps prevent herniation of the nucleus pulposus

27
Q

Ligament which attaches one lamina to anotherHelps preserve normal curvatures of vertebral columnAssists with straightening of column after flexing

A

Ligamentum Flavum

28
Q

Ligament from skull to C7

A

Ligamentum Nuchae

29
Q

Action of the serratus posterior muscles

A

In respiration/labored breathing, and proprioception

30
Q

Action of the errectors spinae (ILS)

A

Chief extensor of the vertebral column

31
Q

Strongest cervical vertebrae

A

C2

32
Q

Arterial supply of the cervical region

A

Occiptial, vertebral, and deep cervical arteries

33
Q

Arterial supply of the thoracic region

A

Posterior intercostal

34
Q

Arterial supply of the lumbar region

A

Subcostal and lumbar

35
Q

Arterial supply of the sacral region

A

iliolumbar and lateral sacral artery

36
Q

General nerve supply of the deep back

A

Posterior rami

37
Q

Provide innervation to the ligamentum flavum

A

Recurrent meningeal nerve

38
Q

Lymphatic drainage of the skin of the neck

A

Cervical nodes

39
Q

Lymphatic drainage above the ilac crests

A

Axillary nodes

40
Q

Lymphatic drainage of the structures below the level of the iliac crests

A

Superficial inguinal nodes

Anatomy Compiled (24 decks)

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