ANATOMY 2MARKS-PART 6

ORBICULARIS OCULI:

Origin:
Palpebral part: to the medial palpebral ligament and adjacent bone on the medial side of the orbit.
Orbital part: to a slip of bone adjacent to the orbit on the orbital process of the frontal bone, to the frontal process of the maxilla, and to the medial palpebral ligament between the two bony areas.
Insertion:
Palpebral part: into the skin of the eyelids, blending with levator palpebrae superioris and continuing on to the lateral palpebral raphe.
Orbital part: into the skin surrounding the orbit and blending with adjacent facial muscles
Action: Closes the eyelids
Innervation: Temporal and zygomatic branches of the facial nerve (cranial nerve VII)
Blood Supply: Branches from the ophthalmic artery

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GENERAL SURGERY 2MARKS- PART 1

COLOSTOMY:

  • A colostomy is a surgical procedure that brings one end of the large intestine out through the abdominal wall. During this procedure, one end of the colon is diverted through an incision in the abdominal wall to create a stoma.
  •  A stoma is the opening in the skin where a pouch for collecting feces is attached.
  • People with temporary or long-term colostomies have pouches attached to their sides where feces collect and can be easily disposed.

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