THRA.7 Flashcards
Which structure do the following enclose:
- Thoracic vertebrae
- Sternum
- Costae
Cavum thoracis
What is located at the cranial and caudal end of cavum thoracis?
- Apertura thoracis cranialis
- Apertura thoracis caudalis
What are characteristic of the thoracic vertebrae?
- Long spinous processes
- Short bodies
- Flattened extremities
- Short articular processes
- Short transverse processes
- Foveae for rib attachment
Name the pairs of fovea costalis
- Foveae costales cranialis
- Foveae costales caudales
- Foveae costales processus transversi

Fovea Costalis Cranialis

Fovea Costalis Processus Transversi

Fovea Costalis Caudalis

Facies Articularis Tuberculi Costae ↔ Fovea Costalis Processus Transversi

Facies articularis capitis costae cranialis ↔ Fovea costalis caudalis

Facies articularis capitis costae caudalis ↔ Fovea costalis cranialis
Which thoracic vertebra has a perpendicular spinous process to its body?
Vertebra anticlinalis
Give the number of thoracic vertebrae in each species
Eq: 18
Ru: 13-15
Ca: 12-14
Fe: 13-16
35
Arcus costalis
36
Spatium intercostale
37
Angulus arcuum costalium
Angle between right and left costal arches
6
Cartilago costalis
21
Genu costae
(Costochondral junction/Symphysis)
Which ribs articulate with the sternum?
The first 7-9 ribs
Name given to sternal/true ribs
Costae verae
Name given to asternal/false ribs
Costae spuriae
How do asternal ribs articulate with the sternum?
Indirectly, by uniting with the cartilage of the rib in front
(Forming arcus costalis)
Name the ribs which end caudally and freely in the musculature
Costae fluctuantes
Which species alway have the last pair of ribs floating?
Ca/Fe
Give the ratio of sternal:asternal ribs amongst the species
Eq: 8:10
Ru: 8:5
Ca: 9:4
Su: 7:8












