cotyloid

[kot-l-oid]

adjective

Anatomy.

1. being in the shape of a cup; cup-shaped.

cotyloid

/ ˈkɒtɪˌlɔɪd /

adjective

1. 1. shaped like a cup

   2. of or relating to the acetabulum

noun

1. a small bone forming part of the acetabular cavity in some mammals

Word History and Origins

Origin of cotyloid¹

1750–60; < Greek kotyloeidḗs, equivalent to kotýl ( ē ) cup + -oeidēs -oid

Word History and Origins

Origin of cotyloid¹

C18: from Greek kotuloeidēs cup-shaped, from kotulē a cup

Example Sentences

We find, on the external surface of the iliac bone, the cotyloid cavity, whose border is interrupted by the cotyloid notch; a deep notch which looks downwards.

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The cotyloid ligament being broader and thicker than usual, makes the osseous portion of the socket appear deeper than it really is.

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The femeropelvic articulation is formed by the hemispherical head of the femur and the acetabulum; the latter constituting a cotyloid cavity which is deepened by the cotyloid ligament.

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Immediately above the cotyloid cavity is a rough crest, which is known as the supracotyloid crest, which is, however, no other than the homologue of the sciatic spine.

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The portion of the bone which connects the ilium to the region occupied by the cotyloid cavity is extremely narrow; posteriorly, the bone enlarges again to form the ischial and pubic portions.

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