90+ Body Parts That Start With O

The human body, a complex network of interconnected systems, includes numerous parts, each playing a crucial role in our overall health and functioning. A fascinating aspect of this complexity is the variety of body parts that start with ‘O’.

This list provides an overview of these ‘O’-starting anatomical components, showcasing their importance and diversity.

Body Parts That Start With O

  • Ovaries
  • Ossicles
  • Optic Nerve
  • Olfactory Bulbs
  • Omentum
  • Occipital Bone
  • Orbit (eye socket)
  • Oral Cavity
  • Oesophagus (Esophagus)
  • Occipital Lobe
  • Olfactory Nerve
  • Orbicularis Oculi Muscle
  • Orbicularis Oris Muscle
  • Obturator Foramen
  • Olecranon (elbow point)
  • Oropharynx
  • Outer Ear
  • Occipital Cortex
  • Osteocytes (bone cells)
  • Oculomotor Nerve
  • Osteoblasts (bone-forming cells)
  • Osteoclasts (bone-removing cells)
  • Osteophytes (bone spurs)
  • Otic Capsule
  • Oval Window (ear)
  • Ovum (egg cell)
  • Ophthalmic Artery
  • Organ of Corti (in the inner ear)
  • Oxyntic Cells (in the stomach)
  • Omental Bursa

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(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z)

Body Parts Beginning With O

Body Parts Beginning With O (Their Properties)

  • Ovaries – Female reproductive organs producing eggs and hormones.
  • Ossicles – Small bones in the middle ear transmitting sound.
  • Optic Nerve – Transmits visual information from the retina to the brain.
  • Olfactory Bulbs – Structures in the brain involved in the sense of smell.
  • Omentum – Layer of fatty tissue covering abdominal organs.
  • Occipital Bone – Forms the back of the skull.
  • Orbit – Bony cavity containing the eye.
  • Oral Cavity – Mouth area, initial part of the digestive system.
  • Oesophagus – Tube carrying food from the throat to the stomach.
  • Occipital Lobe – Part of the brain responsible for visual processing.
  • Olfactory Nerve – Carries smell information from the nose to the brain.
  • Orbicularis Oculi Muscle – Muscle around the eye for blinking.
  • Orbicularis Oris Muscle – Muscle encircling the mouth.
  • Obturator Foramen – Large opening in the hip bone.
  • Olecranon – Bony prominence of the elbow.
  • Oropharynx – Part of the throat behind the mouth.
  • Outer Ear – External portion of the ear.
  • Occipital Cortex – Brain region for processing visual information.
  • Osteocytes – Mature bone cells maintaining bone tissue.
  • Oculomotor Nerve – Controls most eye movements.
  • Osteoblasts – Cells responsible for bone formation.
  • Osteoclasts – Cells involved in bone resorption.
  • Osteophytes – Bone spurs often associated with arthritis.
  • Otic Capsule – Bony structure surrounding the inner ear.
  • Oval Window – Membrane in the ear transmitting sound vibrations.
  • Ovum – Female reproductive cell or egg.
  • Ophthalmic Artery – Supplies blood to the eye and orbit.
  • Organ of Corti – Structure in the inner ear for hearing.
  • Oxyntic Cells – Cells in the stomach lining producing gastric acid.
  • Omental Bursa – Sac-like cavity in the abdomen.

Other Body Parts Starting With The Letter O

  • Olfactory Tract
  • Osteon (basic unit of compact bone)
  • Olfactory Epithelium
  • Occipitofrontalis Muscle
  • Orbital Glands
  • Oculomotor Muscles
  • Odontoid Process
  • Olfactory Cortex
  • Optic Chiasm
  • Osteochondral Tissue
  • Obturator Nerve
  • Osteoporosis-Affected Bone
  • Osteoid Tissue
  • Ocular Lens
  • Olfactory Groove
  • Omental Appendices
  • Occipital Artery
  • Optic Disc
  • Otic Ganglion
  • Olecranon Fossa
  • Occipital Condyle
  • Optic Canal
  • Omental Fat
  • Ovarian Follicle
  • Oxyphil Cells
  • Oral Mucosa
  • Oesophageal Sphincter
  • Osteogenic Cells
  • Olfactory Receptors
  • Osteomalacia-Affected Bone

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