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单词 pyramidalis
释义

pyramidalisn.

Brit. /ˌpɪrəmᵻˈdɑːlɪs/, /pəˌramᵻˈdɑːlɪs/, U.S. /ˌpɪrᵻmᵻˈdæləs/, /pᵻˌræmᵻˈdæləs/
Inflections: Plural pyramidales.
Forms: 1600s piramidalis, 1600s– pyramidalis.
Origin: A borrowing from Latin. Etymon: Latin pyramidalis.
Etymology: < post-classical Latin pyramidalis pyramidalis muscle (1605 or earlier), use as noun of pyramidalis pyramidal adj.
Anatomy and Zoology.
More fully pyramidalis muscle. Any of several muscles that are more or less triangular in shape; (Anatomy) a muscle of the lower abdominal wall which arises from the pubic bone and inserts into and exerts tension on the linea alba, and (more fully pyramidalis nasi) the procerus muscle (now rare).
ΘΚΠ
the world > life > the body > structural parts > muscle > muscles of specific parts > [noun] > muscles of abdomen
longitudinal?a1425
latitudinal?1541
pyramidalis1615
rectus abdominis1680
abdominal1854
ab1956
tummy muscle1974
1615 H. Crooke Μικροκοσμογραϕια iii. xxi. 192 Some thinke that those small muscles of the Abdomen called Pyramidales or succenturiati, that is, spirie or assistant muscles were ordained by Nature to further the excretion of this humour.
1684 tr. S. Blankaart Physical Dict. 244 Muscles of the Nostrils and of the Abdomen called Pyramidales, or of a Pyramidical Figure [L. item musculi narium & Abdominis pyramidales dicti].
1722 W. Cheselden Anat. Humane Body (ed. 2) ii. iii. 58 Pyramidalis, arises from the Os Pubis, and is inserted into the Linea Alba.
1793 W. Weldon Observ. Different Modes Puncturing Bladder 64 A puncture about half an inch in length may be made..a little on one side of the linea alba, between it and the usual situation of the pyramidalis muscle.
1828 J. Quain Elements Anat. vii. 456 The pyramidalis nasi rests on the nasal bone.
1840 G. V. Ellis Demonstr. Anat. 484 The pyramidalis muscle is placed in the abdominal wall close above the pubes.
1872 Philos. Trans. (Royal Soc.) 162 131 The nose has one large pair of muscles in every species [of bat], the procerus nasi..(pyramidalis would be a misnomer in every case).
1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xvi. 462 The pyramidalis is a small muscle somewhat triangular in shape.
1956 Lancet 7 Apr. 389 The only muscle that could act without this embarrassment is the pyramidalis—a puny fellow.
2003 Brit. Jrnl. Plastic Surg. 56 585 The pyramidalis muscle is introduced as a new small muscle free flap.
This is a new entry (OED Third Edition, December 2007; most recently modified version published online March 2022).
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n.1615
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