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Shark Musculature
name the muscles
15
Anatomy
Undergraduate 4
03/11/2011

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Cards

Term
[image]
Definition
PECTORAL EXTENSORS
Origin: scapular process and adjacent fascia

Insertion: radials and ceratotrichia

Function: elevate pectoral fins
Term
[image]
Definition
ADDUCTOR MANDIBULAE
Origin: posterior part of palatoquadrate cartilage

Insertion: Meckel's Cartilage

Function: closes mouth
Term
[image]
Definition
CONSTRICTORS
Origin: vertical raphe

Insertion: vertical raphe

Function: compresses gill pouches
Term
[image]
Definition
INTERMANDIBULARIS
origin: Meckel's cartilage and adductor mandibulae fascia

insertion: midventral raphe

function: raises the floor of the mouth
Term
[image]
Definition
LEVATOR HYOMANDIBULAE
origin: otic capsule

insertion: hyomandibular

function: compresses gill pouches
Term
[image]
Definition
SPIRACULARIS
origin: otic capsule

insertion: palatoquadrate cartilage

function: ELEVATES PALATOQUADRATE
Term
[image]
Definition
CUCULLARIS
origin: dorsal longitudinal bundle fascia

insertion: epibranchial cartilage and scapular process

function: elevate gill arches and pectoral girdle
Term
[image]
Definition
LEVATOR PALATOQUADRATI
origin: otic capsule

insertion: palatoquadrate cartilage

function: raises upper jaw
Term
[image]
Definition
PELVIC FLEXORS
Proximal

origin: linea alba and puboischiac bar
insertion: metapterygium
function: depresses pelvic fin

Distal

origin: metapterygium
insertion: radials and ceratotrichia
function: depresses pelvic fin
Term
[image]
Definition
INTERHYOIDEUS
origin: midventral raphe

insertion: ceratohyal

function: compresses gill pouches
Term
[image]
Definition
COMMON CORACOARCUALS
origin: coracoid bar

insertion: coracohyoid

function: opens mouth
Term
[image]
Definition
CORACOMANDIBULARIS
origin: fascia of common coracoarcuals

insertion: Meckel's Cartilage

function: opens mouth
Term
[image]
Definition
CORACOHYOID
origin: common coracoarcuals

insertion: basihyal

function: opens mouth
Term
preorbitalis
Definition
origin: midventral surface of chondrocranium

insertion: adductor mandibulae

function: closes mouth
Term
pelvic extensors
Definition
superficial

origin: iliac process of puboischiac bar
insertion: radials & ceratotrichia
function: elevates pectoral fin


deep

origin: metapterygium
insertion: radials & ceratotrichia
function: elevates pectora fin
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