Definition

1. Noun:
   • The forearm or the entire arm from the elbow to the fingertips: In anatomy, "cubitus" can refer to the region of the arm between the elbow and the wrist, or sometimes more broadly to the entire lower arm segment.
   • The elbow joint: Specifically, "cubitus" denotes the hinge joint connecting the upper arm (humerus) to the two bones of the forearm (the ulna and radius). This definition also applies to the analogous joint in the forelimb of a quadrupedal animal.

Usage Examples

• Noun:
  • The fracture was located in the cubitus. (The break was in the forearm region.)
  • The veterinarian examined the dog's injured cubitus. (The vet checked the elbow joint of the dog's forelimb.)

Advanced Usage

• Anatomical Terminology: In precise anatomical and medical contexts, "cubitus" is a formal term. The more common contemporary term for the joint is "elbow," and for the bone, "ulna."
  • The study focused on the range of motion in the cubitus. (The research examined how much the elbow joint could move.)

Variants and Related Words

• Cubital (adj): Pertaining to the elbow or the forearm.
  • Cubital tunnel syndrome can cause numbness in the hand. (This nerve condition at the elbow can lead to hand numbness.)
• Ulna (n): The inner and larger bone of the forearm, which forms the primary hinge of the elbow joint. This is a more specific term for one of the bones in the "cubitus" region.

Synonyms

• Forearm: The part of the arm between the elbow and the wrist.
• Elbow: The joint between the upper and lower arm.
• Antebrachium: A technical anatomical term for the forearm.

Related Phrases / Compound Terms

• Cubitus varus: A deformity where the forearm is angled inward at the elbow.
• Cubitus valgus: A deformity where the forearm is angled outward at the elbow.

Noun

1. the arm from the elbow to the fingertips
2. hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of a quadruped