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BIOL 220 > Mink Origin, Insertion, and Function > Flashcards

Mink Origin, Insertion, and Function Flashcards

1
Q

masseter

A

Origin: Zygomatic arch
Insertion: Masseteric fossa of mandible
Function: elevates mandible

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2
Q

Mylohyoid

A

Origin: medial surface of mandible
Insertion: basihyal (meets adjacent muscle at midline)
Function: raises floor of mouth

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3
Q

Digastric

A

Origin: Paraoccipital process and mastoid process
Insertion: ventral surface of mandible
Function: depresses mandible

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4
Q

Genioglossus

A

Origin: mandibular symphysis
Insertion: tongue
Function: manipulates tongue

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5
Q

Geniohyoid

A

Origin: mandibular symphysis
Insertion: hyoid apparatus
Function: pulls tongue and hyoid forward

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6
Q

Hyoglossus

A

Origin: lateral aspect of hyoid
Insertion: tongue
Function: manipulates tongue

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7
Q

styloglossus

A

Origin: hyoid apparatus
Insertion: tongue
Function: manipulates tongue

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8
Q

Sternohyoid

A

Origin: Cartilage of first rib
Insertion: Basihyal
Function: pulls tongue backward

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9
Q

Thyrohyoid

A

Origin: Basihyal (= boyd of hyoid apparatus)
Insertion: Thyroid cartilage of larynx
Function: Raises larynx

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10
Q

Sternomastoid

A

Origin: Sternum
Insertion: Occiput
Function: turns head

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11
Q

clavotrapezius

A

Origin: occiput and dorsal midline of neck
Insertion: clavical
Function: pulls humerus forward

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12
Q

pectoralis major

A

Origin: sternum
Insertion: pectoral ridge of humerus
Function: adducts forelimb

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13
Q

Pectoralis minor

A

Origin: sternum
Insertion: pectoral ridge of humerus
Function: adducts forelimb

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14
Q

Sternothyroid

A

Origin: cartilage of first rib
Insertion: thyroid cartilage of larynx
Function: pulls larynx backward

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15
Q

cleidomastoid

A

Origin: clavicle
Insertion: occiput
Function: turns head

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16
Q

temporalis

A

Origin: temporal fossa
Insertion: coronoid process of mandibule
Function: lifts mandible

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17
Q

acromiotrapezius

A

Origin: Sprine of axis to spinous process of 4th thoracic vertebra
Insertion: acromion process of scapula
Function: adducts and stabilizes scapula

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18
Q

Spinodeltoid

A

Origin: scapular spine
Insertion: deltoid ridge of humerus
Function: abducts humerus and humerus forward

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19
Q

spinotrapezius

A

Origin: dorsal midline of thorax
Insertion: scapular spine
Function: rotates scapula backwards

20
Q

latissimus dorsi

A

Origin: dorsal fascia of thorax
Insertion: medial surface of proximal humerus
Function: pulls humerus backward

21
Q

Dorsoepitrochlearis

A

Origin: Latissimus Dorsi and teres major
Insertion: Ulna
Function: extends elbow

22
Q

Triceps, Long head

A

Origin: Humerus
Insertion: olecranon process (Ulna)
Function: Extends elbow

23
Q

Triceps, Lateral head

A

Origin: deltoid ridge of humerus
Insertion: olecranon process (Ulna)
Function: extends elbow

24
Q

Brachialis

A

Origin: humerus
Insertion: ulna
Function: flexes elbow

25
Q

Rhomboideus complex

A

Origin: Spines of the first 4 thoracic vertebrae and occiput
Insertion: Vertebral border of Scapula
Function: Adducts scapula and pulls it cranially

26
Q

Atlantoscapularis

A

Origin: Atlas
Insertion: Scapula
Function: Pulls scapula forward

27
Q

Levator scapulae ventralis

A

Origin: Atlas
Insertion: scapula
Function: Pulls scapula forward

28
Q

Acromiodeltoid

A

Origin: Acromion process of scapula
Insertion: Deltoid ridge and tuberosity of Humerus
Function: pulls humerus forward

29
Q

Splenius

A

Origin: Spine of first thoracic vertebrae
Insertion: Lambdoidal ridge of SKULL
Action: elevates the head

30
Q

Triceps, medial head

A

Origin: Axillary border of scapula
Insertion: Olecranon process (ulna)
Function: Extends forearm

31
Q

Brachioradialis

A

Origin: humerus
Insertion: Styloid process of radius
Function: Supinates paw

32
Q

Extensor carpi radialis longus

A

Origin: lateral epicondyle of humerus
Insertion: 2nd and 3rd metacarpals
Function: extends carpus (wrist)

33
Q

Extensor digitorum communis

A

Origin: Lateral epidcondyle of humerus below extensor carpi radialis
Insertion: Phalanges of digits 2-5
Extends joints of digits 2-5

34
Q

Extensor digitorum lateralis

A

Origin: Anterior face of lateral epicondyle of humerus
Insertion: Digits 3-5
Function: extends 4th and 5th digits

35
Q

extensor carpi ulnaris

A

Origin: Lateral epicondyle of humerus
Insertion: Tubercle of 5th metacarpal
Function: extends carpus, rotates wrist laterally

36
Q

abductor pollicis longus

A

Origin: lateral surface of ULNA and distal surface of RADIUS
Insertion: radial side of 1ST METACARPAL
Function: extends and abducts pollex

37
Q

Flexor carpi ulnaris

A

Origin: Medial epicondyle of HUMERUS and olecranon of ULNA
Insertion: accessory Carpal bone
Insertion: Flexes carpus

38
Q

Flexor digitorum superficialis

A

Origin: medial epicondyle of humerus and flexor digitorum profundus
Insertion: Middle phalanx of digits 2-5
Action: Flexes proximal and middle joints of digits 2-5

39
Q

Flexor digitorum profundus (radial head and humeral head)

A

Origin: Medial surface of ulna, meidal epicondyle of humerus and meidal surface of ulna shaft
Insertion: Bases of distal phalanges
Function: flexes all digits

40
Q

Extensor carpi radialis brevis

A

Origin: Lateral epicondyle of humerus
Insertion: 3rd metacarpal
Action: extends paw

41
Q

Biceps brachii

A

Origin: Cranial edge of coracoid process of SCAPULA
Insertion: Bicipital tuberosity of RADIUS
Function: Flexes forelimb

42
Q

Pronator teres

A

Origin: Medial epicondyle of humerus
Insertion: medial border of radius
Function: pronates paw

43
Q

flexor carpi radialis

A

Origin: medial epicondyle of humerus
Insertion: 2nd and 3rd metacarpals
Function: Flexes wrist

44
Q

Serratus dorsalis

A

Origin: Spinous process of vertebrae
Insertion: Outer surface of first nine ribs
Function: Raises ribs, enlarges thoracic cavity

45
Q

Seratus ventralis

A

Origin: ribs
Insertion: Dorsal edge of scapula
Function: depresses scapula

46
Q

External abdominal oblique

A

Origin: Caudal ribs and lumbodorsal fascia
Insertion: Linea alba
Function: Compresses abdomen and flexes trunk

BIOL 220 (6 decks)

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