Anatomical Triangles Flashcards
What are the boundaries of the Suboccipital Triangle?
- Rectus capitis posterior major
- Obliquus Capitis superior
- Obliquus Capitis inferior
What is the roof of the Suboccipitial Triangle?
fascia covered by semispinalis capitis
What is the floor of the Suboccipital Triangle?
- posterior arch of C1
- atlantooccipital membrane
What are the contents of the Suboccipital Triangle?
- 3rd part of the vertebral artery
- suboccipital artery
- suboccipital vein
What are the boundries of the Anterior Cervical Triangle?
- SCM
- anterior midline
- inferior ramus of the hyoid
What contents of the Anterior Cervical Triangle?
- carotid triangle
- submandibular triangle
- submental triangle
- muscular triangle
What are the boundaries of the Carotid Triangle?
- SCM
- posterior digastric
- superior omohyoid
What is the floor of the Carotid Triangle?
- Hypoglossus
- inferior and middle constrictor muscles
What are the contents of the Carotid Triangle?
- CN 11, 12
- carotid sheath: Common/Internal/External carotids, internal jugular vein, CN 10
- lymph nodes
- ansa cervicalis
What are the boundaries of the Submandibular Triangle?
- anterior and posterior digastric
- inferior ramus of the mandible
What is the floor of the Submandibular Triangle?
- Hypoglossal
- Mylohyoid
- middle constrictor
What are the contents of the Submandibular Triangle?
- Submandibular Gland
- Hypoglossal nerve
- Mylohyoid nerve
- Facial Artery and Vein
What are the boundaries of the Submental Triangle?
- Anterior Digastrics
- Hyoid bone
What is the floor of the Submental Triangle?
- Mylohyoid muscle
What are the contents of the Submental Triangle?
- Submental lymph nodes
- Submental Vein