II. Anatomy
-
Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
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Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
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Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
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Lewis (1918) Gray's Anatomy 20th ed (in public domain at Yahoo or BartleBy)
III. Course
- Olfactory tract divides into roughly 20 branches
- Perforates cribriform plate of the Ethmoid Bone
IV. Physiology
- Innervates olfactory mucosa
- Upper third of the nasal septum
- Superior nasal concha
V. Exam
- Precautions
- Ensure nasal patency
- Test one nostril at a time
- Avoid testing with noxious odors (e.g Ammonia)
- False Positives due to Trigeminal Nerve stimulation
- Ability to identify odors
- Coffee
- Cloves
- Peppermint
VI. References
- Gilman (1989) Manter and Gatz Essentials of Neuroanatomy and Neurophysiology, Davis, p. 87-113
- Goldberg (2014) Clinical Neuroanatomy, p. 24-39
- Netter (1997) Atlas Human Anatomy, ICON Learning, p. 110-129
Calculation (FPnotebook.com: DrBits) Open in New Window
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Related Studies
Definition (FMA) | Segment of neural tree organ which is continuous with a set of olfactory nerves and an olfactory tract. |
Definition (NCI_CDISC) | Anatomical structure located in the vertebral forebrain that receives neural input regarding odors that have been detected by cells within the nasal cavity. The axons of olfactory receptor cells extend into the olfactory bulb. (NCI) |
Definition (NCI) | Anatomical structure located in the vertebral forebrain that receives neural input regarding odors that have been detected by cells within the nasal cavity. The axons of olfactory receptor cells extend into the olfactory bulb. |
Definition (MSH) | Ovoid body resting on the CRIBRIFORM PLATE of the ethmoid bone where the OLFACTORY NERVE terminates. The olfactory bulb contains several types of nerve cells including the mitral cells, on whose DENDRITES the olfactory nerve synapses, forming the olfactory glomeruli. The accessory olfactory bulb, which receives the projection from the VOMERONASAL ORGAN via the vomeronasal nerve, is also included here. |
Concepts | Body Part, Organ, or Organ Component (T023) |
MSH | D009830 |
SnomedCT | 113302008 |
English | Bulb, Olfactory, Bulbs, Olfactory, Olfactory Bulb, Olfactory Bulbs, olfactory bulbs, olfactory lobe (Barr & Kiernan), main olfactory bulb, Olf, olfactory bulb, Bulbus olfactorius, bulbus olfactorius (Morgagni), OLFACTORY BULB, BRAIN, OLFACTORY BULB, Main Olfactory Bulbs, Bulbs, Main Olfactory, Olfactory Bulb, Main, Main Olfactory Bulb, Bulbus Olfactorius, Olfactorius, Bulbus, Bulb, Main Olfactory, Olfactory Bulbs, Main, Olfactory bulb, Structure of olfactory bulb (body structure), Structure of olfactory bulb |
Swedish | Luktlob |
Czech | bulbus olfactorius |
Finnish | Hajukäämi |
Russian | OBONIATEL'NAIA LUKOVITSA, ОБОНЯТЕЛЬНАЯ ЛУКОВИЦА |
Latvian | Ožas sīpols |
Polish | Opuszka węchowa |
Norwegian | Lukteløk, Luktekolbe, Bulbus olfactorius |
Spanish | bulbo olfatorio, estructura del bulbo olfatorio (estructura corporal), estructura del bulbo olfatorio, Bulbo Olfatorio |
French | Bulbe olfactif |
German | Bulbus olfactorius |
Italian | Bulbo olfattivo |
Dutch | Bulbus olfactorius |
Portuguese | Bulbo Olfatório |
Ontology: Olfactory Nerve (C0028938)
Definition (FMA) | Set of nerves that is continuous with the olfactory bulb and the olfactory bulb. |
Definition (FMA) | Segment of neural tree organ which is continuous with the olfactory epithelium and an olfactory bulb. |
Definition (NCI_CDISC) | The first cranial nerve. |
Definition (NCI) | The first cranial nerve. It is the shortest cranial nerve and of paramount importance in the sense of smell. Its neurons are in the olfactory mucosa in the nasal cavity. |
Definition (MSH) | The 1st cranial nerve. The olfactory nerve conveys the sense of smell. It is formed by the axons of OLFACTORY RECEPTOR NEURONS which project from the olfactory epithelium (in the nasal epithelium) to the OLFACTORY BULB. |
Definition (CSP) | first cranial nerve; conveys the sense of smell; it is formed by the axons of olfactory receptor neurons which project from the olfactory epithelium (in the nasal epithelium) to the olfactory bulb. |
Concepts | Body Part, Organ, or Organ Component (T023) |
MSH | D009832 |
SnomedCT | 11522000 |
English | Nerve, Olfactory, Nerves, Olfactory, Olfactory Nerve, Olfactory Nerves, Olfactory nerve (I), Cranial Nerve I, Cranial Nerve, First, Cranial Nerves, First, First Cranial Nerve, First Cranial Nerves, I, Cranial Nerve, Nerve I, Cranial, Nerve, First Cranial, Nerves, First Cranial, CI - Cranial nerve I, cranial nerve I, Olfactory nerve [I], Set of olfactory nerves, Olfactory nerves, Olfactory nerves set, Nervus olfactorius [I], olfactory nerves, i nerves, cranial i nerves, Is, Cranial Nerve, Nerve Is, Cranial, Cranial Nerve Is, olfactory fila, olfactoria fila, 1n, olfactory nerve, first cranial nerve, Nerve I, Nervus olfactorius, Fila olfactoria, OLFACTORY NERVE, Fila, Olfactory, Olfactory Fila, Filas, Olfactory, Olfactory Filas, Olfactoria, Fila, Olfactorias, Fila, Fila Olfactoria, Fila Olfactorias, First cranial nerve, Olfactory nerve, Cranial nerve I, Olfactory nerve structure (body structure), Olfactory nerve structure, Olfactory nerve, NOS |
French | Premier nerf crânien, Nerf crânien I, Nerf crânien 1, Première paire crânienne, Nerf olfactif |
Swedish | Luktnerv |
Spanish | estructura del nervio olfativo, Par Craneal I, Primer Par Craneal, Nervio Craneal I, I Par Craneal, I par craneal, nervio craneal I, primer par craneal, primer par craneano, estructura del nervio olfativo (estructura corporal), filete olfativo, nervio olfativo, nervio olfatorio, estructura del nervio olfatorio (estructura corporal), estructura del nervio olfatorio, I Nervio Craneal, Nervio Olfatorio, Primer Nervio Craneal |
Czech | čichový nerv, nervus olfactorius, I. hlavový nerv |
Finnish | Hajuhermo |
Russian | OBONIATEL'NYI NERV, ОБОНЯТЕЛЬНЫЙ НЕРВ |
Japanese | 嗅神経, 第1脳神経 |
German | ERSTER HIRNNERV, Hirnnerv I, I. Hirnnerv, Nervus olfactorius |
Italian | Nervo cranico I, Primo nervo cranico, Nervo olfattivo |
Latvian | Ožas nervs |
Polish | Nerw węchowy, Nerw I |
Norwegian | Luktenerve, 1. hjernenerve, Nervus olfactorius, Hjernenerve 1 |
Portuguese | I Nervo Craniano, Par Craniano I, Primeiro Par Craniano, I Par Craniano, Nervo Craniano I, Nervo Olfatório, Primeiro Nervo Craniano |
Dutch | Ie hersenzenuw, Nervus cranialis I, Nervus olfactorius, Reukzenuw |