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Cranial Nerves
Cranial Nerves
12
Anatomy
10/25/2008

Additional Anatomy Flashcards

 


 

Cards

Term
  I
Definition

Olfactory Nerve I

 

Orgin: Hair Cells in the Superior portion of the nasal Mucosa.

 

Termination: Olfactory portion of the cerebral Cortex

Term

II

Definition

Optic Nerve II

 

Origin: Rods and cones of the photoreceptor cells of the retina.

 

Termination: Visual areas of the occipital lobes of the cerebral cortex

 

 

 

Term
III
Definition

Oculomotor Nerve III

 

Origin: Motor part-Nuclei in the midbrain

Sensory part- eye muscle proprioceptors.

Term:Motor-Extrinsic and intrinsic eye muscles.

 Sensory-Proprioceptive areas of the cerebral cortex.

Term

IV

Definition

Trochlear IV

Origin:Motor-Oculomotor nucleus in the midbrian.

Sensory-Proprioceptors in the face, scalp, and organs of the head.

Term:Motor-Extrinsic eye muscles.

Sensory-Prpprioceptive areas of cerebral cortex.

 

Term
V
Definition

Trigeminal V

 

Origin: Motor-Nucleus in pons.

Sensory-Opathalmic branch-face and scalp. Maxillary BR -nasal mucosa, oral cavity & face.

Mandibular BR- oral cavity, lower teeth side of head.

Termination:Motor Muscles of massification.

Sensory nuclei in the pons for all the sensory.

 

Term
VI
Definition

Abducens VI

 

Origin: Motor - nucleus in the pons.

Sensory- proprioceptors in lateral rectus muscle.

Termination: Motor Lateral rectus muscel .

Sensory - Nucleus in the pons.

Term
VII
Definition

Facial Nerve VII

 

Origin- Motor-Nuclei in the pons.

Sensory- general Stimuli from face and scalp.

Termination-Motor facial scalp and neck Muscles.

Sensory- Gustatory areas of the parietal lobes of the cerebral cortex, Nuclei in the cerebral cortex. 

Term

VIII

Definition

Vestibulocochlear Nerve VII

 

Origin- Sensory sprial organ of the inner ear, semicircular canals etc of the inner ear.

Term: Sensory- auditory area of the temporal lobes of the cerebral cortex, nuclei in the pins, thalamus and the cerebellum.

Term

IX

Definition

Glossopharyngeal Nerve IX

 

Origin: Motor-Nucleus in the medulla. Sensory - taste buds, pharynx, carotid sinus and muscles of the pharynx,

Term: Motor Parotid glands and muscles of the pharynx.  Sensory-nuclei in the thalamus.

Term
X
Definition

Vagus Nerve X

 

Origin: Motor-Nucleus in the medulla & cervical part of spinal cord.

Sensory-receptors in thoracic and abdominal viscera.

Term:motor- Thoracic and abdominal viscera

Sensory- Nuclei in the medulla and pons.

Term
XI
Definition

Accessory Nerve XI

 

Origin: Motor- Nucleue in the medulla and cervical part of the spinal cord.

Sensory- Skeletal muscle proprioceptors.

Term:  Motor- skeletal M. of the neck & shoulders.

Sensory-dorsal root ganglia in the cervical region.

Term
XII
Definition

Hypoglossal Nerve XII

 

Origin: motor- nucleus in the medulla.

Sensory- tounge proprioceptors.

Term: Motor- Tounge musculature.

Sensory- Nucleus in the thalamus.