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2. Triangles of the neck - Wikipedia

   en.wikipedia.org/wiki/Triangles_of_the_neck

   The triangles of the neck describe the divisions created by the major muscles in the region.. The side of the neck presents a somewhat quadrilateral outline, limited, above, by the lower border of the body of the mandible, and an imaginary line extending from the angle of the mandible to the mastoid process; below, by the upper border of the clavicle; in front, by the middle line of the neck ...

3. Anterior triangle of the neck - Wikipedia

   en.wikipedia.org/wiki/Anterior_triangle_of_the_neck

   Anterior boundary. Midline of the neck from chin to the jugular notch. Posterior boundary. The anterior margin of sternocleidomastoid. Superior boundary (base) The lower border of the body of the mandible, and a line extending from the angle of the mandible to the mastoid process. Investing fascia covers the roof of the triangle while visceral ...

4. Posterior triangle of the neck - Wikipedia

   en.wikipedia.org/wiki/Posterior_triangle_of_the_neck

   The posterior triangle is crossed, about 2.5 cm above the clavicle, by the inferior belly of the omohyoid muscle, which divides the space into two triangles: an upper or occipital triangle. a lower or subclavian triangle (or supraclavicular triangle)

5. Suboccipital triangle - Wikipedia

   en.wikipedia.org/wiki/Suboccipital_triangle

   The suboccipital triangle is a region of the neck bounded by the following three muscles of the suboccipital group of muscles: (Rectus capitis posterior minor is also in this region but does not form part of the triangle) It is covered by a layer of dense fibro-fatty tissue, situated beneath the semispinalis capitis.

6. Submandibular triangle - Wikipedia

   en.wikipedia.org/wiki/Submandibular_triangle

   The posterior part of this triangle contains the external carotid artery, ascending deeply in the substance of the parotid gland. This vessel lies here in front of, and superficial to, the external carotid, being crossed by the facial nerve, and gives off in its course the posterior auricular, superficial temporal, and internal maxillary branches: more deeply are the internal carotid, the ...

7. Submental space - Wikipedia

   en.wikipedia.org/wiki/Submental_space

   The submental space is a fascial space of the head and neck (sometimes also termed fascial spaces or tissue spaces). It is a potential space located between the mylohyoid muscle superiorly, the platysma muscle inferiorly, [1] under the chin in the midline. The space coincides with the anatomic region termed the submental triangle, part of the ...