8- Equine Thorax Osteology Flashcards
What is the formula of the equine spine?
C7- T18 - L5-6- S5 - C15-21
How many pairs of ribs do horses have? How many are sternal, asternal, and floating?
8 sternal
10 asternal
+/- 1 floating
Label diagram of equine thoracic vertebrae
Label the diagram of the equine thoracic vertebrae
Label the diagram of equine thoracic vertebrae
Label
1) Foramen for blood vessel
2) Lateral vertebral foramen
1) Nuchal ligament
2) Supraspinous bursa
3) Supraspinous ligament
What is the arrow pointing at?
Infected supravertebral bursa, ie “fistulas withers”
Arrows are pointing at what?
Nuchal ligament: Laminae portion
Which muscles are labels 1 and 6?
1) Serratus Ventralis
6) Rectus thoracis
What is the OIA of Serratus ventralis?
O: Cervical vertebrae 3-7 and first 8/9 ribs
I: Serrated faces of scapula
A: Support and elevate the trunk
What is the OIA of Rectus thoracis?
O: first rib
I: cartilage of the 4th rib
A: Inspiration
What is 1 and 2?
1) Serratus dorsalis cranialis
2) Serratus dorsalis caudalis
What is the actions of Serratus dorsalis cranialis and caudalis?
Cranialis: Inspiration
Caudalis: expiration
What is 1 and 2?
1) Internal intercostals
2) External intercostals
What is 1?
External abdominal oblique
Label the diagram of epaxial muscles
1) Iliocostalis
2) Longissimus
3) Transversospinalis
(I love tacos)
Label the prominences of the lumbar vertebra
What is 7 and 8?
7) Transversus abdominis
8) Rectus abdominis
Label the structures the arrows are pointing at
Label these structures
