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CVM710: Anatomy (Shelby) > exam 1: hypaxial > Flashcards

exam 1: hypaxial Flashcards

1
Q

epaxial muscles are related to
extension or flexion?

A

Extension

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2
Q

Hyaxial muscles are related to
extension or flexion?

A

Flexion

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3
Q

what muscle is being pointed to

A

Sternocephalicus m.

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4
Q

what muscle is this
what is 1 and 2

A

Sternocephalicus m.
1. occipital part
2. mastoid part

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5
Q

what muscle is this

A

Sternohyoideus m.

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6
Q

what is 1? what is 2

A
  1. Sternothyroideus m.
  2. Sternohyoideus m.
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7
Q

what muscle is being pointed to

A

Longus capitis m. (are bilateral)

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8
Q

what muscle is this

A

Longus colli m. (are bilateral)

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9
Q

what is 1
what is 2

A

Longus colli mm.
Longus capitis mm.

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10
Q

what is outlined in blue

A

Scalenus m.
(deep & superficial )

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11
Q

what is outlined in yellow

A

Rectus thoracis m.

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12
Q

what is the blue arrow pointing to

A

First costal cartilage

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13
Q

run from rib to rib and function to unite the ribs together

A

intercostal muscles

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14
Q

external intercostal mm

are they originted caudoventrally or cranioventrally

A

caudoventrally

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15
Q

internal intercostal mm

are they originted caudoventrally or cranioventrally

A

cranioventrally

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16
Q

what is being represented
(inspiration or expiration)

A

red: inspiration
green: expriation

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17
Q

what are the red arrows?
what are the blue arrows

A

red:External intercostal m.
blue: Internal intercostal m.

18
Q

what is being pointed to

A

Transverse thoracis m.

19
Q

what is being pointed to

A

Transverse thoracis m.
(Internal view of the floor of the thoracic cavity)

20
Q

list 1-4 of the diaphragm

A
  1. Tendinous center
  2. Part lumbalis (left)
  3. Part costalis (left)
  4. Part sternalis
21
Q

list 1-6 of the Diaphragm from the cranial view

A
  1. lumbar part (right crus)
  2. lumbar part (left crus)
  3. costal part (left)
  4. tendinous center
  5. sternal part
  6. costal part (right)
22
Q

list 1-3 of the diaphragm

A
  1. Aortic hiatus
  2. Esophageal hiatus
  3. Cava foramen
23
Q

T/F inspiration is an active process

A

true

24
Q

what is the most important muscle for inspiratrion

A

diaphragm

25
Q

Its contraction expand the thoracic cavity caudally, and push the abdominal
organs caudally

A

Diaphragm

26
Q

list muscles 1-4

A
  1. Serratus dorsalis cranialis m.
  2. Scalenus m.
  3. Rectus thoracis m.
  4. External intercostal m.
27
Q

what muscle is the black line through
Origin and insertion

A

External abdominal oblique m.

Originates from the lateral surfaces of ribs and thoracolumbar fascia

Inserts on the linea alba and prepubic tendon by a wide aponeurosis

28
Q

list 1-3

A

aponeurosis
linea alba
prepubic tendon

29
Q

what is blue pointing to

A

Umbilicus

30
Q

what is 1?
2?
3?

A
  1. linea alba
  2. aponeurosis
  3. prepubic tendon
31
Q

what is the line crossing through
list O and I

A

Internal abdominal oblique m.

❑ Arises from the thoracolumbar fascia, ventral iliac spines and inguinal
ligament

❑ Inserts on costal arch, rectus abdominis, linea alba and prepubic tendon by a wide aponeurosis

32
Q

what are the yellow arrows pointing to
what is the origin/ insertion

A

Transversus abdominis m.

❑ Originates from the medial surfaces of the last 4-5 ribs and from the transverse processes of the lumbar vertebrae

❑ Inserts on linea alba

33
Q

what is the red arrow pointing to

A

Rectus abdominis m.

**Courses between prepubic tendon and sternum and first few ribs

34
Q

Rectus sheath

Formed by aponeuroses of: (3)

A
  1. External abdominal oblique m.
  2. Internal abdominal oblique m.
  3. Transversus abdominis m
35
Q

Rectus sheath:
Layers of sheath vary depending on location (3)

A

❑ Cranial to umbilicus
❑ Caudal to umbilicus
❑ Cranial to pubis

36
Q

what is circled in red

A

Inguinal canal

(Perforation in the abdominal wall in the region of the inguinal region (groin))

37
Q

“Short fissure filled with connective
tissue between the abdominal muscles”

A

Inguinal canal

38
Q

List the parts of the inguinal canal from top arrow to bottom

A

deep inguinal ring
inguinal canal
superficial inguinal ring

39
Q

◼ Extends between superficial and deep
inguinal rings

◼ Passageway through the abdominal wall for several vessels and nerves

what is this

A

Inguinal canal

40
Q

what is the red circle around

A

Superficial inguinal ring

Slit in the aponeurosis of the external abdominal oblique m.

41
Q

what is being pointed to in blue? red?

A

blue: Vascular lacuna
—>Passageway for vessels
coursing to the pelvic limb

red: Inguinal ligament

CVM710: Anatomy (Shelby) (38 decks)

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