File:Human week 10 fetus 12.jpg
From Embryology
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Human Female Fetus - Olfactory Nerve (10 week)
Large image version of plane D, close to midline (Stain - Haematoxylin Eosin) 0.5 mm scale bar.
Sensory - Smell Development
Cranial Nerves | ||||
---|---|---|---|---|
Nerve Number | Name | Type | Origin | Function |
CN I | Olfactory | sensory | telencephalon | smell placode |
CN II | Optic | sensory | retinal ganglial cells | vision |
CN III | Oculomotor | motor | anterior midbrain | extraocular muscles eye movements and pupil dilation (motor) |
CN IV | Trochlear | motor | dorsal midbrain | extraocular muscles (superior oblique muscle) |
CN V | Trigeminal | motor/sensory | pons | touch, mastication |
CN VI | Abducent | motor | extraocular muscles | control eye movements (lateral rectus muscle) |
CN VII | Facial | motor/sensory | pons | facial expression, taste (tongue anterior and central regions) regulate salivary production. |
CN VIII | Acoustic | sensory | vestibular and cochlear nuclei | hearing, placode |
CN IX | Glossopharyngeal | motor/sensory | medulla | swallowing and speech, taste (tongue posterior region) |
CN X | Vagus | motor/sensory | medulla | larynx and pharynx muscles (speech and swallowing), regulates heartbeat, sweating, and peristalsis |
CN XI | Accessory | motor | motor neurons | sternocleidomastoid and trapezius muscles |
CN XII | Hypoglossal | motor | motor neurons | tongue muscles (speech, eating and other oral functions) |
Related Images
Fetus (week 10) Planes A (most lateral), B (lateral), C (medial) and D (midline) from lateral towards the midline.
- Human Fetus - most lateral | lateral | medial | midline
- Head - most lateral | lateral | medial | midline
- Cerebellum - most lateral | lateral | medial | midline
- Urogenital Unlabelled - most lateral | lateral | medial | midline
- Urogenital Labelled - most lateral | lateral | medial | midline
- Large Images - midline
- Image Source: UNSW Embryology, no reproduction without permission.
Cite this page: Hill, M.A. (2024, May 6) Embryology Human week 10 fetus 12.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Human_week_10_fetus_12.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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current | 23:29, 17 June 2012 | 1,200 × 900 (349 KB) | Z8600021 (talk | contribs) | ==Human Female Fetus Olfactory Nerve (10 week)== Large image version of plane D, close to midline (H&E stain). 0.3 mm scale bar Note: {{10wkFetus}} |
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File usage
The following 19 pages use this file:
- BGDA Practical 12 - Embryo to Fetus
- BGDB Gastrointestinal - Fetal
- Fetal Development - 10 Weeks
- Foundations Practical - Week 9 to 36
- Neural - Cranial Nerve Development
- File:Human week 10 fetus 01.jpg
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- File:Human week 10 fetus 12.jpg
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- Template:Human Female Fetus Week 10 gallery