[ UK /dˈɔːsəm/ ]
  1. the back of the body of a vertebrate or any analogous surface (as the upper or outer surface of an organ or appendage or part)
    the dorsum of the foot
  2. the posterior part of a human (or animal) body from the neck to the end of the spine
    his back was nicely tanned
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How To Use dorsum In A Sentence

  • The extrinsic extensor tendon attaches to the base of the dorsum of the middle phalanx, and bands from the intrinsic hand muscles attach to the distal phalanx.
  • The superior part of the dorsum sellae may be a separate bone or it may be joined to the petrous portion of the temporal bone.
  • The sella turcica is bounded posteriorly by a quadrilateral plate of bone, the dorsum sellæ, the upper angles of which are surmounted by the posterior clinoid processes: these afford attachment to the tentorium cerebelli, and below each is a notch for the abducent nerve. II. Osteology. 5d. The Interior of the Skull
  • —Until the seventh or eighth month of fetal life the body of the sphenoid consists of two parts, viz., one in front of the tuberculum sellæ, the presphenoid, with which the small wings are continuous; the other, comprising the sella turcica and dorsum sellæ, the postsphenoid, with which are associated the great wings, and pterygoid processes. II. Osteology. 5a. 5. The Sphenoid Bone
  • Confert et pulmo arietis, calidus agnus per dorsum divisus, exenteratus, admotus sincipiti. Anatomy of Melancholy
  • Behind the dorsum sellae is a shallow depression, the clivus, which slopes obliquely backward, and is continuous with the groove on the basioccipital (basilar portion of the occipital bone).
  • He presented with a large squamous cell carcinoma on the dorsum of his right index finger.
  • Anal plate: in caterpillars, the shield-like covering of the dorsum of the last segment: in the embryonic larva the 11th tergite. Explanation of Terms Used in Entomology
  • Toothbrushing lasted for approximately five minutes after each meal and included brushing the teeth, the dorsum of the tongue, and the palatal and mandibular mucosa.
  • Serpentine veins rise across the dorsum of her hand, swollen with the back pressure of blood. Healer
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