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5 ημέρες πριν · Eight spinal nerves branch off from the spinal cord in the neck to form a network of nerves called the cervical plexus. The cervical plexus forms many connections between the brain and the skin and muscles of the head and neck, similar to the cranial nerves.
30 Οκτ 2023 · The most important arteries and nerves of the head and neck are the following: Internal and external carotid arteries; Vertebral arteries; Thyrocervical trunk; Cranial nerves; Cervical plexus; Head and cervical lymph nodes; In this page, we’re going to study each of the above structures together with their respective branches.
18 Οκτ 2023 · From the outside, the neck is divided into triangles, each one containing specific muscles, vessels, and nerves. In turn, however, the neck also has an internal division in the form of compartments, which are delimited by various layers of cervical fascia.
30 Οκτ 2023 · Solidify your knowledge about the superficial nerves of the head and wrap up the anatomy of the head with this specially designed quiz that covers the bones, muscles, organs and vessels of the head!
The Head. Nerves of the Head. The nerves of the head include the sympathetic and parasympathetic innervation to the head and neck, as well as the three branches of the trigeminal nerve: ophthalmic, maxillary and mandibular. The sympathetic innervation begins in the spinal cord.
short ciliary nn. are mixed nerves which contain sensory and two types of autonomic nerve fibers; postganglionic parasympathetic neurons whose axons are located in these nerves have their cell bodies located in the ciliary ganglion
Stratum spinosum, Stratum germinativum, also called stratum basale. The deepest layer is the miotic layer, stratum basale producing daughter cells by mitosis. Mouth. The mouth, also called the oral cavity, is the entranceway into the digestive system containing both primary and accessory organs of digestion. Teeth.
