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bio 223 > Lecture 10 part one (SECOND MIDTERM) > Flashcards

Lecture 10 part one (SECOND MIDTERM) Flashcards

1
Q

What indicates the separation between epaxial and hypaxial?

A

Transverse processes

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2
Q

Cep (biCEP, triCEP) refers to…

A

the numbers of heads

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3
Q

What are the three layers of epaxial muscles (superficial to deep)?

A

Erector spinae
Intermediate layer
Deep layer

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4
Q

What are the three layers of erector spinae (lateral to medial)?

A

Iliocostalis
Longissimus
Transverso-spinalis

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5
Q

Iliocostalis…
Origin:
Insertion:

A

Origin: sacrum/iliac crest
Insertion: ribs

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6
Q

Longissimus…
Origin:
Insertion:

A

Origin: sacrum/iliac crest
Insertion: transverse processes

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7
Q

Transverso-spinalis…
Origin:
Insertion:

A

Origin: sacrum/iliac crest/transverse processes
Insertion: spinous processes

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8
Q

What are the layers of the Intermediate layer?

A

Multifidus

Semispinalis

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9
Q

Multifidus…
Origin:
Insertion:

A

Origin: sacrum/iliac crest
Insertion: spinous process

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10
Q

Semispinalis…
Origin:
Insertion:

A

Origin: transverse processes
Insertion: spinous processes

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11
Q

What does the deep layer of epaxial muscle do?

A

the deep layer consists of short slips of muscle that connect adjacent vertebrae

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12
Q

What are the 3 layers of hypaxial musculature?

A

Body wall
Prevertebral
Limbs

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13
Q

What are the subdivisions of the body wall?

A

Abdominal
Thoracic
Perineal
Neck (odd one out)

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14
Q

What are the subdivisions of the abdominal group (superficial to deep)?

A

External oblique
Internal oblique
Transversus

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15
Q

The limbs usually don’t receive innervation from…

Instead, from…

A

dorsal rami

ventral rami

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16
Q

Ventral rami only goes to what structures?

A

hypaxial

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17
Q

External oblique…
Origin:
Insertion:

A

Origin: lower 8 ribs
Insertion: top of rectus sheath

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18
Q

Internal oblique…
Origin:
Insertion:

A

Origin: iliac crest
Insertion: rectus sheath

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19
Q

Transversus…
Origin:
Insertion:

A

Origin: thoracolumbar fascia
Insertion: sheath below abdominus rectus

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20
Q

What does the neck NOT share with the other subdivisions of the body wall?

A

the other subdivisions have coelom

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21
Q

What are the subdivisions of the thoracic group?

A

External intercostal
Internal intercostal
Transversus thoracis

22
Q

External intercostal fibers go in the same direction as…

A

external oblique

23
Q

Internal intercostal fibers go in the same direction as…

A

internal oblique

24
Q

External intercostal is homologous to…

A

external oblique

25
Q

Internal intercostal is homologous to…

A

internal oblique

26
Q

Transversus thoracis…

A

does NOT have “transverse” fibers; they expand differently

27
Q

What are the layers of the perineal group (superficial to deep)?

A

Urogential diaphragm
Pelvic diaphragm
Transversalis fascia

28
Q

Urogenital diaphragm:

A
  • external anal sphincter

- deep transverse perineal

29
Q

Pelvic diaphragm:

A
  • coccygeus

- levator ani

30
Q

What are the only things “left” in the neck region?

What does it lack?

A

scalenes

coelomic space

31
Q

What are the strap muscles?

A 
Rectus abdominis
Geniohyoid
Omohyoid
Sternohyoid
Sternothyroid
Pyramidalis
32
Q

What consists of the “rectus series” of the strap muscles?

A

Geniohyoid
Omohyoid
Sternohyoid
Sternothyroid

33
Q

The linea alba is the “midline” in between..

A

the rectus abdominis

34
Q

What covers rectus abdominis?

A

rectus sheath

35
Q

Prevertebral musculature consists of:

A

Longus capitis
Longus colli
Quadratus lumborum

36
Q

Quadratus lumborum…
Origin:
Insertion:
What does it do?

A

Origin: iliac crest, lower lumbar vertebrae
Insertion: T12, L1-L4, rib 12
Abducts vertebral column and depresses rib 12

37
Q

What is the line that marks the change from having the deep leaf of the rectus sheath to NOT having it?

A

arcuate line

38
Q

Geniohyoid…
Origin:
Insertion:

A

Origin: chin
Insertion: hyoid
-lifts the hyoid

39
Q

Omohyoid…
Origin:
Insertion:

A

Origin: shoulder
Insertion: hyoid
-depresses the hyoid

40
Q

Sternohyoid…
Origin:
Insertion:

A

Origin: sternum
Insertion: hyoid

41
Q

Sternothyroid…
Origin:
Insertion:

A

Origin: sternum
Insertion: thyroid

42
Q

Longus capitis…
Origin:
Insertion:

A

Origin: cervical vertebrae
Insertion: head (base of skull)

43
Q

Longus colli…
Origin:
Insertion:

A

Origin: thoracic vertebrae
Insertion: neck (cervical vertebrae)

44
Q

Appendicular musculature is a subdivision of…

A

hypaxial musculature

45
Q

Ventral ramus further divides into what divisions?

A

dorsal division and ventral division

46
Q

If it attaches to the pubic bone, it is in the quadrant…

A

Cranial ventral

47
Q

If it attaches to the ischium, it is in the quadrant…

A

Caudal ventral

48
Q

If it attaches to the upper part of ilium, it is in the quadrant…

A

Cranial dorsal

49
Q

If it attaches to the lower part of ilium, it is in the quadrant…

A

Caudal dorsal

50
Q 
Colors...
Yellow
Blue
Red
Green
A

Yellow: cranial/dorsal
Blue: cranial/ventral
Red: caudal/dorsal
Green: caudal/ventral

bio 223 (34 decks)

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