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  2. Cervical canal - Wikipedia

    en.wikipedia.org/wiki/Cervical_canal

    The cervical canal is generally lined by "endocervical mucosa" which consists of a single layer of mucinous columnar epithelium. However, after menopause, the functional squamocolumnar junction moves into the cervical canal, and hence the distal part of the cervical canal may be lined by stratified squamous epithelium (conforming to a "type 3 transformation zone").

  3. Head and neck anatomy - Wikipedia

    en.wikipedia.org/wiki/Head_and_neck_anatomy

    The respiratory system begins in the head and neck, with air entering and leaving the body through the mouth and nose. The respiratory system involving the head and neck includes: the nasal cavity for filtering, moistening, and warming the air; the pharynx or throat which is the combining point for respiratory and digestive system

  4. Cervicoaxillary canal - Wikipedia

    en.wikipedia.org/wiki/Cervicoaxillary_canal

    The cervicoaxillary canal is the passageway that extends between the neck and the upper extremities through which the ... seventh and eighth cervical roots, C5, C6 ...

  5. List of anatomy mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_anatomy_mnemonics

    This is a list of human anatomy mnemonics, categorized and alphabetized.For mnemonics in other medical specialties, see this list of medical mnemonics.Mnemonics serve as a systematic method for remembrance of functionally or systemically related items within regions of larger fields of study, such as those found in the study of specific areas of human anatomy, such as the bones in the hand ...

  6. Nerve plexus - Wikipedia

    en.wikipedia.org/wiki/Nerve_plexus

    Cervical plexus. The cervical plexus is formed by the ventral rami of the upper four cervical nerves and the upper part of fifth cervical ventral ramus. The network of rami is located deep to the sternocleidomastoid within the neck. The cervical plexus innervates muscles of the neck and areas of skin on the head, neck and chest.

  7. Spinal cord - Wikipedia

    en.wikipedia.org/wiki/Spinal_cord

    Sectional organization of spinal cord. The spinal cord is the main pathway for information connecting the brain and peripheral nervous system. [3] [4] Much shorter than its protecting spinal column, the human spinal cord originates in the brainstem, passes through the foramen magnum, and continues through to the conus medullaris near the second lumbar vertebra before terminating in a fibrous ...

  8. Muscular system - Wikipedia

    en.wikipedia.org/wiki/Muscular_system

    The muscular system is an organ system consisting of skeletal, smooth, and cardiac muscle. It permits movement of the body, maintains posture, and circulates blood throughout the body. [ 1 ] The muscular systems in vertebrates are controlled through the nervous system although some muscles (such as the cardiac muscle ) can be completely autonomous.

  9. Sympathetic ganglia - Wikipedia

    en.wikipedia.org/wiki/Sympathetic_ganglia

    The general rule of interaction of the nerve fibers in the sympathetic nervous system begins at the spinal cord. Here they arise from the thoracolumbar (T1–L2) regions' lateral horn of grey and emerge via the ventral root. They enter their respective spinal nerve (e.g. T5), and thus enter the white ramus communicans. This myelinated division ...