Equine anatomy

Question 1

Which two parts make up the conch-frontal sinus?

Answer 1

Dorsal conchal & frontal

Question 2

What opening connects the conch-frontal & caudal maxillary sinus?

Answer 2

Frontomaxillary opening

Question 3

What opening connects the rostral maxillary sinus & nasal cavity?

Answer 3

Nasomaxillary (sinonasal) opening

Question 4

What does the conchomaxillary opening connect?

Answer 4

Ventral conchal sinuses & rostral maxillary sinus

Question 5

What sinuses are connected to caudal maxillary sinus?

Answer 5

Conchofrontal, sphenopalatine, & middle conchal/ethmoidal sinuses

Question 6

What is the name(s) of the distal forelimb extensor tendon(s) ?

Answer 6

Common digital extensor tendon & lateral digital extensor tendon

Question 7

What 7 structures make the suspensory ligament?

Answer 7

1) SDF
2) DDF
3) Accessory ligaments of the flexor tendons
4) SL
5) Proximal sesamoid bones
6) Distal sesamoidean ligaments
7) Intersesamoidean ligaments

Question 8

What is the origin and insertion of the radial/superior check ligament in the forelimb?

Answer 8

Origin: caudomedial aspect of distal radius
Insertion into SDF: immediately proximal to carpus

Question 9

In the forelimb, the SDF tendon branches medially & laterally at the level of proximal P1. These branches insert __________.

Answer 9

On the middle scutum at proximopalmar aspect of P2

Question 10

The suspensory ligament branches at the level of the distal- metacrapus/metatarsus. These branches insert ____________.

Answer 10

On the abaxial surface of the proximal sesamoid bones.