Special Senses Flashcards
Which of the cranial nerves is responsible for gustation?
a. olfactory
b. glossopharyngeal
c. optic
d. trochlear
Which of the following statements is true?
a. the photoreceptor cells within the back of the eye and
known as rods are responsible for colour vision
b. the pupil of the cat is rounded
c. aqueous humour lies within the posterior chamber of
the eye
d. the cells of the tapetum lucidum reflect light back to the
photoreceptor cells of the retina
d.
the cells of the tapetum lucidum reflect light back to the
photoreceptor cells of the retina
Segmental nerve roots, peripheral nerves + thoracic limb muscle innver..
What are the 3 nerve roots for the Suprascapular nerve?
C5, C6 + C7
What 2 muscles are innervated with the Suprascapular nerve?
Supraspinatus + Infraspinatus
What are the 2 nerve roots for the Subscapular nerve?
C6 + C7
What muscle are innervated with the Subscapular nerve?
Subscapularis
What are the 3 nerve roots for the Axillary nerve?
C6, C7 + C8
What 3 muscles are innervated with the Axillary nerve?
- Teres Major
- Teres Minor
- Deltoideus (Subscapularis)
What are the 2 nerve roots for the Pectoral nerve?
C7 + C8
Group…of…p..
What 2 muscles are innervated with the Pectoral nerve?
Superficial + Deep pectorals
What are the 3 nerve roots for the Musculocutaneous nerve?
C6, C7 + C8
A group..starting with b…
What 3 muscles are innervated with the Musculocutaneous nerve?
- Biceps Brachii
- Brachialis
- Coracobrachialis
What are the 4 nerve roots for the Raidal nerve?
C7, C8
+
T1, T2
Some begin with e…
What 5 muscles are innervated with the Radial nerve?
- Triceps brachii
- Extensor carpi radialis
- Ulnaris lateralis
- Common digital extensor
- Lateral digital extensor
What are the 3 nerve roots for the Median nerve?
C8
T1 + T2
What 3 muscles are innervated with the Median nerve?
- Flexor carpi radialis
- Superficial digital flexor
- Deep digital flexor
What are the 3 nerve roots for the Ulnar nerve?
C8
T1 + T2
What are the 2 muscles innervated with the Ulnar nerve?
Flexor carpi ulnaris + Deep digital flexor
What are the 3 nerve roots for the Thoracodorsal nerve?
C7 + C8
T1
What is the muscle that is innervated with the Thoracodorsal nerve?
Latissimus dorsi
State the 4 branches of the thoracic spinal nerves
- Meningeal
- Dorsal
- Ventral
- Visceral
There are 3 (technically 4..)
What does the Meningeal spinal nerve branch supply?
- Dura mater
- Dorsal longitudinal ligament
- Vertebral venous sinus
- Other blood vessels within the canal
Define the term ‘annulus fibrosis of the disc’
The annulus fibrosus is the outer circumferential portion of the vertebral disc
2..
What does the Dorsal spinal nerve branch supply?
- Epaxial muscles
+ - Skin over the dorsal aspect of the body wall
What sections is the Dorsal nerve branch divided into?
Medial + lateral
What does the Ventral spinal nerve branch supply?
Hypaxial muscles (of the body wall)
+
Have lateral + ventral cutaneous branches
What does the lateral + ventral cutaneous branches of the Ventral spinal nerve branch supply?
The skin of the lateral + ventral aspects of the body wall
What sections is the Ventral nerve branch divided into?
+
What are the 2 exceptions?
Medial + lateral
With the exception of:
1.Brachial plexus
1.Lumbosacral plexus
(Which supplies the tail)
What is another name for the Ventral nerve branch?
Intercostal nerves!
What is the function of the Visceral spinal nerve branch?
To carry general viseceral sympathetic fibres to + from visceral structures
What are the 3 nerve roots for the Femoral nerve?
L4, L5 + L6
What 3 muscles are innvervated with the Femoral nerve?
- Iliopsoas
- Quadriceps compleex
- Sartorius
What are the 3 nerve roots for the Obturator nerve?
L4, L5 + L6
Check no.4…
What 4 muscles are innvervated with the Obturator nerve?
1.External obturator
2.Pectineus
3.Gracilis
4.Adductor
What are 3 the nerve roots for the Cranial Gluteal nerve?
L6, L7
+
S1
What 4 muscles are innervated with the Crainal Gluteal nerve?
- Middle Gluteal
- Deep Gluteal
- Tensor Fascia Lata
- Piriformis
What are the 3 nerve roots for the Caudal Gluteal nerve?
L7
+
S1 + S2
What 4 muscles are innervated with the Caudal Gluteal nerve?
- Superficial gluteal
- Middle gluteal
- Biceps Femoris
- Semitendinosus
What are the 4 nerve roots for the Sciatic nerve?
L6 + L7
+
S1 + S2
What 6 muscles are innervated with the Sciatic nerve?
- Biceps Femoris
- Semimeembranosus
- Semitendinosus
- Obturator internus
- Quadratus Femoris
- Gemelli
What is the nerve root for the Common Peroneal nerve?
None!
What 4 muscles are innervated with the Common Peroneal nerve?
- Peroneus longus
- Lateral digital extensor
- Long distal extensor
- Cranial tibial
What is the nerve root for the Tibial nerve?
None!
What 3 muscles are innervated with the Tibial nerve?
- Gastrocnemius
- Popliteus
- Superficial digital flexor
What are the 3 nerve roots for the Pudendal nerve?
S1, S2 + S3
What 2 muscles are innervated with the Pudendal nerve?
External anal sphincter + external genitalia
State the origin and insertion of the Epaxial muscles
Originates:
They lie dorsal to the trasnverse processes of the vertebrae
(Above the vertebral column)
Inserts:
Cranial lumbar vertebrae + ribs
What are the 3 functions of the Epaxial muscles?
To:
- Support the spine
- Extend the vertebral column
- Allow lateral flexion
State the 2 branches of nerves that innervate the Epaxial muscles
The
Medial + lateral
Dorsal branch of the
Thoracic Spinal Nerves
