| 释义 |
lambdoidal, a.|læmˈdɔɪdəl|
Also 7–9 lamdoidal.
[f. prec. + -al1.]
Resembling the Greek letter lambda (λ) in form.
1. Anat. lambdoidal suture († lambdoidal commissure), the suture connecting the two parietal bones with the occipital. Also lambdoidal ridge (see quot. 1888).
1653Urquhart Rabelais i. xxvii, If any thought by flight to escape, he made his head to flie in pieces by the Lamdoidal commissure, which is a seame in the hinder part of the scull. 1698Tyson in Phil. Trans. XX. 148 The Lambdoidal Suture. 1741Monro Anat. (ed. 3) 70 The Lambdoidal Suture, begins some way below, and farther back than the Vertex or Crown of the Head, whence its two Legs are stretched obliquely down and to each Side, in Form of the Greek Letter λ. 1866Huxley Preh. Rem. Caithn. 86 The coronal suture is traceable throughout; the sagittal and the middle part of the lambdoidal are almost completely obliterated. 1888Syd. Soc. Lex., Lambdoidal ridge, the edge of the occipital bone forming the lambdoid suture, which in some animals, as the cat, forms a salient ridge for the attachment of muscles.
2. nonce-use. Resembling the shape of the small Greek letter lambda λ.
1818J. Brown Psyche 189 Bid her forbear when males are by, To stand like an inverted Y. Since modesty and sense avoid all Postures and attitudes lamdoidal. |