Exam 3: Lecture 38 - Basic Camelid Anatomy Flashcards
How many old world and new world camelid species are there?
-4 new world
-2 old world
Llama or alpaca?
-Weigh 150 lbs
-Have soft, luxurious fleece
-Very gentle & timid
-Can learn tricks
-Need protection
-Alpacas
Llama or alpaca?
-Weigh over 400 lbs
-Have coarse fleece
-Very brave
-Can carry heavy packs
-Serve as herd guards
-Llama
____ are extremely popular as pack animals
-Llamas
The descending duodenum is located
-On the right flank
What organs dominate the left side of the llama?
-Liver
-Multi-chambered stomach
What is indicated by the blue star?
-Kidney
What is indicated by the blue star?
-Small intestine (jejunum)
What is indicated by the blue star?
-Stomach third compartment
What is indicated by the blue star?
-Liver
What is indicated by the blue star?
-Lungs
What is important about the incisive teeth in camelids?
-They are “caniniform” meaning they are incisors that act like a canine tooth
-Use this to fight & dominate - important for us b/c danger potential
What is indicated by the blue star?
-Incisor
What is indicated by the blue star?
-Canine
What artery sits snuggly beside the jugular vein in camelids?
-Parotid artery
What serves as the major protection of viral arteries on the camelid neck, but also serves as a hinderance for phlebotomy?
-The vertebral process (transverse process) of the cervical vertebrae
What is this image showing?
-The dorsal region of the jugular vein being protected by the transverse process of the cranial region of cervical vertebrae
What is indicated by the blue star?
-Transverse process of 5th cervical vertebrae
What is indicated by the blue star?
-Common carotid artery
What is indicated by the blue star?
-Vagosympathetic trunk
What is indicated by the blue star?
-Jugular vein
What is indicated by the blue star?
-Esophagus
What is indicated by the blue star?
-Trachea
What are the names of the 3 compartments of the camelid stomach called?
-Compartment 1
-Compartment 2
-Compartment 3
Compartment 1 in camelids is somewhat analogous to what on ruminants?
-Rumen & reticulum
Compartment 2 in camelids is somewhat analogous to what on ruminants?
-Omasum
Compartment 3 in camelids is somewhat analogous to what on ruminants?
-Abomasum
The multi-chambered stomach dominates the ____ side of the camelid
-LEFT
What is in compartment 1 to help aid in fermentation?
-Glandular saccules
What is being shown here?
-Saccule openings in the internal space of compartment 1
-Adds surface area for them to digest & fermentate their food
What is indicated by the blue star?
-First compartment, cranial
What is indicated by the blue star?
-First compartment, caudal
What is indicated by the blue star?
-Third compartment
What is indicated by the blue star?
-Spiral colon
Where does the esophagus come into the multi-chambered stomach in camelids?
-Into the cranial part of compartment 1
What is indicated by the blue star?
-Compartment 1
What is indicated by the blue star?
-Compartment 2
What is indicated by the blue star?
-Compartment 3
What is indicated by the blue star?
-C1
What is indicated by the blue star?
-Saccules
What is shown?
-Saccules at the ventral regions of C1 or C2
-Add surface area for digestion in camelids
How do camelids bear weight?
-Two phalanges oriented towards substrate (middle & distal phalanx)
-Walk on digital pad (keratinized claws w/ each digit)
How many distal sesamoid bones do camelids have between the middle and distal phalanx?
-No distal sesamoid
T/F: camelids have a navicular bone
-FALSE, they do not
How many proximal sesamoids do camelids have, and where are they located?
-2
-Metacarpal/metatarsal phalangeal joint
Why is it important to know that camelids have keratinized claws with each digit?
-Because you have to trim those claws
What is indicated by the blue star?
-Fused metacarpal III & IV
What is indicated by the blue star?
-Proximal phalanx
What is indicated by the blue star?
-Middle phalanx
What is indicated by the blue star?
-Distal phalanx
What is indicated by the blue star?
-Proximal sesamoid
What is being shown here?
-Digital pad with claws of camelids