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The lesser occipital nerve (or small occipital nerve [1]) is a cutaneous spinal nerve of the cervical plexus. [2] It arises from second cervical (spinal) nerve (C2) (along with the greater occipital nerve).
Canis Minor contains only two stars brighter than the fourth magnitude, Procyon (Alpha Canis Minoris), with a magnitude of 0.34, and Gomeisa (Beta Canis Minoris), with a magnitude of 2.9. The constellation's dimmer stars were noted by Johann Bayer , who named eight stars including Alpha and Beta, and John Flamsteed , who numbered fourteen.
The head rests on the top part of the vertebral column, with the skull joining at C1 (the first cervical vertebra known as the atlas). The skeletal section of the head and neck forms the top part of the axial skeleton and is made up of the skull, hyoid bone, auditory ossicles, and cervical spine. The skull can be further subdivided into:
This is the list of notable stars in the constellation Canis Minor, sorted by decreasing brightness. Name B F Var HD HIP RA Dec vis. mag. abs. mag. Dist. Sp. class Notes
The greater occipital nerve is a nerve of the head. It is a spinal nerve, specifically the medial branch of the dorsal primary ramus of cervical spinal nerve 2.It arises from between the first and second cervical vertebrae, ascends, and then passes through the semispinalis muscle.
The rectus capitis posterior minor (or rectus capitis posticus minor [citation needed]) is a muscle in the upper back part of the neck. It is one of the suboccipital muscles . Its inferior attachment is at the posterior arch of atlas ; its superior attachment is onto the occipital bone at and below the inferior nuchal line .
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Although it is mostly in the neck and can be grouped with the neck muscles by location, it can be considered a muscle of facial expression due to its common nerve supply. The stylohyoid muscle , stapedius and posterior belly of the digastric muscle are also supplied by the facial nerve, but are not considered muscles of facial expression.