| 释义 |
pecten Anat. and Zool.|ˈpɛktɛn|
Pl. pectines |ˈpɛktɪniːz|, pectens.
[a. L. pecten, pectin- a comb, a heckle or card, a rake, the pubic hair, an instrument for striking the strings of a lyre, a scallop-shell, etc.; f. pec-t-ĕre to comb, cognate with Gr. πέκ-ειν to comb. In earlier use generally with L. plural pectines.]
†1. The set of bones in the hand between the wrist and fingers; the metacarpus. Obs.
c1400Lanfranc's Cirurg. 157 Þe boonys of þe hand þat ben clepid pecten. 1541R. Copland Guydon's Quest. Chirurg. G iij, In the thyrde coniunction be foure bones... That coniunction is called the brest of the hande or pecten.
2. The pubes; also, the pubic bone or sharebone. ? Obs. [prop. L.]
[c1400Lanfranc's Cirurg. 176 Þat boon þat goiþ ouerþwert vndir þe ars aboue þe ȝerde, & is clepid os pectinis.] 1661Lovell Hist. Anim. & Min. 15 Applied to the pecten and genitalls in a plaister it helpeth the Gonorrhea. 1710J. Harris Lex. Techn. II, Pecten, in Anatomy, is the same with the Regio Pubis. 1855Ramsbotham Obstetr. Med. 5 The smallest of the three divisions of the os innominatum is the os Pubis, Pecten, or Share Bone, situated anteriorly.
3. Applied to various comb-like structures in animal bodies.
a. A pigmented vascular process which projects from the choroid coat of the eye into the vitreous humour in birds, and in certain reptiles and fishes; also called marsupium.
1713Derham Phys.-Theol. iv. ii. 104 In birds..the Choroeides hath..a curious pectinated work seated on the optick nerve. The structure of this Pecten is very like that of the Ligamentum Ciliare. 1856Todd & Bowman Phys. Anat. II. 23 In birds, there is a remarkable plicated, comb-like process of the choroid,..termed the pecten.
b. Each of two comb-like appendages behind the posterior legs in scorpions.
1826Kirby & Sp. Entomol. xxxv. III. 540 The poisers of Diptera and the pectens of scorpions. 1835Kirby Hab. & Inst. Anim. II. xvii. 126. 1888 Rolleston & Jackson Anim. Life 523 Class Arachnida... The abdomen has appendages only in Scorpionidæ,..the pectines or combs, organs probably of touch.
c. A comb-like organ, usually formed of small stiff hairs, on the legs of certain insects, as bees.
1816Kirby & Sp. Entomol. xviii. (1818) II. 118 [Humble⁓bees] the males... Their posterior tibiæ also want the corbicula and pecten that distinguish the..other sex.
d. The pectinated structure on the claws of certain birds.
e. The ctenophore or comb-row of a ctenophoran.
4. A genus of bivalve molluscs, having a rounded shell with radiating ribs suggesting the teeth of a comb; an animal of this genus, a scallop.
1682Sir T. Browne Let. 15 Mar., Wks. 1836 I. 336 The pectines or skollops. 1778King in Phil. Trans. LXIX. 40 Pectens, cockles, limpets. 1835Kirby Hab. & Inst. Anim. I. viii. 264 Those elegant shells the Pectens or Comb Shells.
attrib.1835–6Todd Cycl. Anat. I. 711/2 In the Pecten family. 1849H. Miller Footpr. Creat. xi. (1874) 202 Layers of mussel and pecten shells. |