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单词 rectal
释义

rectaladj.

Brit. /ˈrɛktl/, U.S. /ˈrɛkt(ə)l/
Origin: Formed within English, by derivation; modelled on a French lexical item. Etymons: rectum n., -al suffix1.
Etymology: < rectum n. + -al suffix1, after French rectal (1812). Compare earlier rectual adj.
Anatomy, Zoology, and Medicine.
Of or relating to the rectum; used or recorded in the rectum; using the rectum.
ΘΚΠ
the world > life > the body > digestive or excretive organs > digestive organs > intestines > [adjective] > rectum
haemorrhoidal?1541
haemorrhoid1601
rectual1716
rectal1826
pararectal1890
rectosigmoid1893
rectosigmoidal1902
1826 J. Lizars Syst. Anat. Plates xi. 87 The [vaginal] canal is more capacious at its upper or vesical region than at its lower or rectal region.
1899 H. D. Chapin in C. Jewett Pract. Obstetr. xxviii. 617 The distinction between a dead born and a still born infant can usually be made by the rapid fall of rectal temperature in the former.
1938 A. L. Rowse Diary 24 May (2003) 105 The large fat article I have been writing while here, in the intervals of stomach wash-outs and rectal salines.
1977 Ann. Internal Med. 86 340/1 More than 90% of all male patients with anorectal gonorrhea admit to homosexual rectal intercourse.
1990 J. Morrow Only Begotten Daughter (1991) ii. vii. 138 They spread their buttocks, and the rectal zephyrs fill our sails.
2002 Maxim June 10/1 So the Rectal Speculum is ‘less painful than it looks’, eh? You've obviously never had one.

Compounds

rectal gland n. any gland or gland-like structure of the rectum; esp. (a) Zoology a finger-shaped gland in cartilaginous fishes that secretes sodium chloride; (b) Entomology = rectal pad n.
ΘΚΠ
the world > animals > animal body > general parts > substance or secretion and excretion > [noun] > gland that excretes into rectum
rectal gland1871
the world > animals > fish > superclass Agnatha > [noun] > class Chondrichthyes > member of > parts of
rectal gland1871
ampulla of Lorenzini1898
1871 W. Allingham Fistula xv. 217 The ulceration spreads upwards and downwards,..the rectal glands become affected, and also indurations may form in the groins.
1877 T. H. Huxley Man. Anat. Invertebr. Animals 411 The walls of the rectum itself are raised into six ridges, which project into its interior and are abundantly supplied with tracheæ; these are the so-called rectal glands.
1925 R. E. Snodgrass Anat. & Physiol. Honeybee vi. 165 Nothing definite is known of the function of the rectal glands.
1974 D. Webster & M. Webster Compar. Vertebr. Morphol. xvii. 442 Excess salt is actively excreted by the rectal, or digitiform gland [of chondrichthyeans].
1986 M. Ridley Animal Behaviour (BNC) 129 Solenopsis..releases its trail pheromone from its Pavan's gland; Myrmica from its poison gland; Lasius from its rectal gland.
rectal pad n. Entomology any of the (usually six) discrete, often papilliform, areas of columnar epithelium in the rectum of insects, serving chiefly to reabsorb water and salts.
ΚΠ
1935 R. E. Snodgrass Abdominal Mechanisms Grasshopper in Smithsonian Misc. Coll. 94 vi. 37 It does not seem probable that the rectal pads are organs for the absorption of water from the faeces.
1969 R. F. Chapman Insects iii. 50 The rectum, and in particular the rectal pads, are important in the reabsorption of water, salts, and amino acids from the urine.
1992 Tissue & Cell 24 139 The rectal pads of Schistocerca gregaria are composed of three different cell types; epithelial, secondary and junctional cells.

Derivatives

ˈrectally adv. by, through, or from the rectum.
ΘΚΠ
the world > life > the body > digestive or excretive organs > digestive organs > intestines > [adverb] > rectum
per rectum1800
rectally1878
1878 Lancet 30 Nov. 760/1 No such proceeding as tapping suprapubically or rectally would..enable us to restore the urethra.
1927 Observer 27 Mar. 13/1 Administered rectally into the intestine it is found to produce unconsciousness..within four or five minutes.
1989 D. Judd Give Sorrow Words vii. 94 He has been bleeding rectally, and is on morphine to relieve the pain.
This entry has been updated (OED Third Edition, June 2009; most recently modified version published online March 2022).
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adj.1826
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