Hoof Structure & Function Flashcards by Erin Lee

Q

Fetlock joint?

A

metatarsal/carpal phalangeal joint

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Q

pastern joint?

A

proximal interphalangeal joint

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Q

coffin joint

A

distal interphalangeal joint

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Q

T/F

coffin bone is entirely in hoof

A

TRUE

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Q

SDFT attaches to

A

distal P1 and proximal P2

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Q

DDFT attaches to

A

P3 on flexor surface

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Q

navicular bursa is full of synovial fluid made by

A

type B synoviocytes

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Q

Distal navicular/impact ligament is located in

A

front of the the navicular bone

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Q

function of digital cushion

A

for weight-bearing and shock absorption

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Q

Distal check/accessory ligament combines with

A

DDFT - prevent overextension of DDFT

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Q

Suspensory (interosseous) ligament attaches to

A

the extensor process of P3

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Q

Coronet/coronary band?

A

jxn of hoof and skin

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Q

T/F

outer portion of the hoof wall is either pigmented or non-pigmented

A

TRue

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Q

the inner portion of the hoof wall is pigmented or non-pigmented?

A

always non-pigmented

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Q

cuticle?

A

periople covers the hoof wall - thin and waxy

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Q

Ruminants have dewclaws. Which are ..

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A

digits 2 and 5

(swine has it too called accessory digits)

Q

function of dermis

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A

nourishment and support

Q

perioplic produces

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A

cuticle

Q

coronary produces

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A

actual hoof wall

Q

frog produces

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A

bulbs

Q

function of stratum externum

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A

water rentetion/moisture barrier

thin and glossy

Q

perioplic epidermis is which stratum

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A

stratum externum

Q

coronary epidermis is which stratum

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A

stratum medium

Q

laminar epidermis is which stratum

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A

stratum internum

horses need hoof trim how often?

every 6-8 weeks