morulan.

Brit.

/ˈmɔːr(j)ᵿlə/,

/ˈmɒr(j)ᵿlə/, U.S.

/ˈmɔrələ/

Inflections: Plural morulae.

Origin: A borrowing from Latin. Etymon: Latin mōrula.

Etymology: < post-classical Latin morula (feminine) black, dark-coloured, former reading (in 16th- and 17th-cent. editions of Plautus Poenulus 5. 5. 10, where modern editions read merulea like a blackbird: see merle n.¹) < classical Latin mōrum mulberry (see more n.²) + -ula -ula suffix. Compare earlier more n.⁴, morum n., moro n.¹In sense 2 after German Morula (Haeckel Die Kalkschwämme (1872) I. iv. 330–2).

†1. Medicine. A skin lesion resembling a mulberry, esp. the papilloma of yaws; a disease characterized by such growths. Cf. more n.⁴, morum n. Obsolete.

ΘΚΠ

the world > health and disease > ill health > a disease > disorders of visible parts > skin disorders > [noun] > other diseases or conditions

impetigo1398

deadingc1400

St Anthonyc1405

foulness1559

acrochordon1565

foulness1583

heat1597

bleach1601

Anthony's fire1609

desquamation1726

sivvens1762

erythema1778

rupia1813

morula1817

dermalgia1842

mycosis1846

cheloid1854

keloid1854

morule1857

kelis1864

dermatosis1866

epithelioma1872

vagabond's disease1876

vagabond's skin1876

dermatitis1877

erysipeloid1888

Ritter's disease1888

acanthosis nigricans1890

angiokeratoma1891

sunburn1891

porokeratosis1893

acrodermatitis1894

epidermolysis1894

keratolysis1895

dermographism1896

neurodermatitis1896

peau d'orange1896

X-ray dermatitis1897

dermatomyositis1899

papulo-erythema1899

pyodermia1899

tar acne1899

dermographia1900

radiodermatitis1903

poikiloderma1907

neurodermatosis1909

leishmanoid1922

razor burn1924

pyoderma1930

photodermatosis1931

photodermatitis1933

necrobiosis lipoidica1934

pyoderma gangrenosum1936

fassy1943

acrodermatitis enteropathica1945

chicken skin1946

nylon stocking dermatitis1947

Sézary('s) syndrome1953

pigskin1966

washerwoman's skin1981

strimmer rash1984

1817 J. M. Good Physiol. Syst. Nosol. 230 Perhaps morula, from morus, a word employed in an approximating sense by Plautus, might have been somewhat more appropriate [than frambœsia], since the eruption seems to bear a nearer resemblance to diminutive mulberries than raspberries.

1827 W. Wallace in Medico-chirurg. Trans. 13 477 The disease which I have exemplified by the relation of the three foregoing cases, I would venture to denominate ‘Morula’, from morus, a mulberry.

1885 C. Creighton tr. A. Hirsch Handbk. Geogr. & Hist. Pathol. (ed. 2) II. 112 Wallace..had named it [sc. button scurvy] ‘Morula’, owing to the likeness of the excrescences on the skin to mulberries.

1891 New Sydenham Soc. Lexicon Morula... Also, a synonym of Frambœsia.

1897 T. C. Allbutt et al. Syst. Med. II. 506 Frambœsia is..essentially a disease of the tropics, though possibly the ‘morula’, or button-scurvy of Ireland..was closely allied to..it.

a. Embryology. A solid cluster of cells (blastomeres) formed by the first cleavage divisions of a fertilized ovum and subsequently developing into a blastula.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > fertilized ovum and parts

primitive streak1833

mulberry mass1851

morule1857

morula1875

stirp1875

cytula1876

vegetative pole1876

genoblast1877

mulberry germ1879

parent kernel1879

vegetal pole1881

animal pole1882

amphiaster1885

oosperm1888

segmentation sphere1898

1875 E. R. Lankester in Philos. Trans. (Royal Soc.) 165 33 The name Gastrula is given by Professor Haeckel to the embryonic form which I had proposed to designate by the old name Planula; and the multicellular blastosphere, from which the Gastrula is developed, which I had proposed to speak of as a polyplast, he well christens the Morula.

1875 T. H. Huxley in Encycl. Brit. II. 51/1 All the Metazoa, in fact, commence their existence in the form of an ovum... The ovum, after impregnation, divides into cleavage masses, or blastomeres, giving rise to a Morula.

1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) iii. 45 Each of these morulæ becomes flattened on one side, and then acquires a rudimentary gut (gastrula stage), and body-cavity.

1970 Sci. Jrnl. June 60/1 In a few days there are a great many cells forming a solid ball called a morula.

1990 Glycobiol. 1 39/1 Specific glycosylation sequences have..been implicated as having a role in the compaction of the embryo at the morula stage.

b. sperm morula n. see sperm n. Compounds 1.

3. Microbiology and Veterinary Medicine. An intracellular colony of bacteria, esp. of rickettsiae of the genus Ehrlichia.

ΚΠ

1932 Brit. Jrnl. Exper. Pathol. 13 465 A phase is thus developed in which the virus [of psittacosis] is revealed as a spherical body packed with oval segments–what might be termed a morula.

1946 E. A. Steinhaus Insect Microbiol. v. 275 Eventually these morulae apparently break down into the bacillary rickettsiae.

1978 Jrnl. Infectious Dis. 137 184/1 Individual subunits were not easily discerned in Giemsa-stained smears because of the compact nature of the morula forms of the organism.

1998 Vet. Rec. 6 Sept. 247/2 In blood films stained with Giemsa or new methylene blue, E. platys parasites appear as blue intra-platelet inclusions resembling E. canis morulae.

This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).

单词	morula
释义	morulan. Brit. /ˈmɔːr(j)ᵿlə/, /ˈmɒr(j)ᵿlə/, U.S. /ˈmɔrələ/ Inflections: Plural morulae. Origin: A borrowing from Latin. Etymon: Latin mōrula. Etymology: < post-classical Latin morula (feminine) black, dark-coloured, former reading (in 16th- and 17th-cent. editions of Plautus Poenulus 5. 5. 10, where modern editions read merulea like a blackbird: see merle n.¹) < classical Latin mōrum mulberry (see more n.²) + -ula -ula suffix. Compare earlier more n.⁴, morum n., moro n.¹In sense 2 after German Morula (Haeckel Die Kalkschwämme (1872) I. iv. 330–2). †1. Medicine. A skin lesion resembling a mulberry, esp. the papilloma of yaws; a disease characterized by such growths. Cf. more n.⁴, morum n. Obsolete. ΘΚΠ the world > health and disease > ill health > a disease > disorders of visible parts > skin disorders > [noun] > other diseases or conditions impetigo1398 deadingc1400 St Anthonyc1405 foulness1559 acrochordon1565 foulness1583 heat1597 bleach1601 Anthony's fire1609 desquamation1726 sivvens1762 erythema1778 rupia1813 morula1817 dermalgia1842 mycosis1846 cheloid1854 keloid1854 morule1857 kelis1864 dermatosis1866 epithelioma1872 vagabond's disease1876 vagabond's skin1876 dermatitis1877 erysipeloid1888 Ritter's disease1888 acanthosis nigricans1890 angiokeratoma1891 sunburn1891 porokeratosis1893 acrodermatitis1894 epidermolysis1894 keratolysis1895 dermographism1896 neurodermatitis1896 peau d'orange1896 X-ray dermatitis1897 dermatomyositis1899 papulo-erythema1899 pyodermia1899 tar acne1899 dermographia1900 radiodermatitis1903 poikiloderma1907 neurodermatosis1909 leishmanoid1922 razor burn1924 pyoderma1930 photodermatosis1931 photodermatitis1933 necrobiosis lipoidica1934 pyoderma gangrenosum1936 fassy1943 acrodermatitis enteropathica1945 chicken skin1946 nylon stocking dermatitis1947 Sézary('s) syndrome1953 pigskin1966 washerwoman's skin1981 strimmer rash1984 1817 J. M. Good Physiol. Syst. Nosol. 230 Perhaps morula, from morus, a word employed in an approximating sense by Plautus, might have been somewhat more appropriate [than frambœsia], since the eruption seems to bear a nearer resemblance to diminutive mulberries than raspberries. 1827 W. Wallace in Medico-chirurg. Trans. 13 477 The disease which I have exemplified by the relation of the three foregoing cases, I would venture to denominate ‘Morula’, from morus, a mulberry. 1885 C. Creighton tr. A. Hirsch Handbk. Geogr. & Hist. Pathol. (ed. 2) II. 112 Wallace..had named it [sc. button scurvy] ‘Morula’, owing to the likeness of the excrescences on the skin to mulberries. 1891 New Sydenham Soc. Lexicon Morula... Also, a synonym of Frambœsia. 1897 T. C. Allbutt et al. Syst. Med. II. 506 Frambœsia is..essentially a disease of the tropics, though possibly the ‘morula’, or button-scurvy of Ireland..was closely allied to..it. 2. a. Embryology. A solid cluster of cells (blastomeres) formed by the first cleavage divisions of a fertilized ovum and subsequently developing into a blastula. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > fertilized ovum and parts primitive streak1833 mulberry mass1851 morule1857 morula1875 stirp1875 cytula1876 vegetative pole1876 genoblast1877 mulberry germ1879 parent kernel1879 vegetal pole1881 animal pole1882 amphiaster1885 oosperm1888 segmentation sphere1898 1875 E. R. Lankester in Philos. Trans. (Royal Soc.) 165 33 The name Gastrula is given by Professor Haeckel to the embryonic form which I had proposed to designate by the old name Planula; and the multicellular blastosphere, from which the Gastrula is developed, which I had proposed to speak of as a polyplast, he well christens the Morula. 1875 T. H. Huxley in Encycl. Brit. II. 51/1 All the Metazoa, in fact, commence their existence in the form of an ovum... The ovum, after impregnation, divides into cleavage masses, or blastomeres, giving rise to a Morula. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) iii. 45 Each of these morulæ becomes flattened on one side, and then acquires a rudimentary gut (gastrula stage), and body-cavity. 1970 Sci. Jrnl. June 60/1 In a few days there are a great many cells forming a solid ball called a morula. 1990 Glycobiol. 1 39/1 Specific glycosylation sequences have..been implicated as having a role in the compaction of the embryo at the morula stage. b. sperm morula n. see sperm n. Compounds 1. 3. Microbiology and Veterinary Medicine. An intracellular colony of bacteria, esp. of rickettsiae of the genus Ehrlichia. ΚΠ 1932 Brit. Jrnl. Exper. Pathol. 13 465 A phase is thus developed in which the virus [of psittacosis] is revealed as a spherical body packed with oval segments–what might be termed a morula. 1946 E. A. Steinhaus Insect Microbiol. v. 275 Eventually these morulae apparently break down into the bacillary rickettsiae. 1978 Jrnl. Infectious Dis. 137 184/1 Individual subunits were not easily discerned in Giemsa-stained smears because of the compact nature of the morula forms of the organism. 1998 Vet. Rec. 6 Sept. 247/2 In blood films stained with Giemsa or new methylene blue, E. platys parasites appear as blue intra-platelet inclusions resembling E. canis morulae. This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022). < n.1817
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