olfactory bulbn.

Brit.

/ɒlˌfakt(ə)rɪ ˈbʌlb/, U.S.

/ɑlˌfækt(ə)ri ˈbəlb/,

/oʊlˌfækt(ə)ri ˈbəlb/

Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: olfactory adj., bulb n.

Etymology: < olfactory adj. + bulb n., apparently after post-classical Latin bulbus olfactorius (see quot. 1851). Compare earlier olfactory nerve n.

Anatomy and Zoology.

A bulb-like terminal expansion of the telencephalon on which the olfactory nerve fibres end.

ΚΠ

1851 R. Dunglison Med. Lexicon (ed. 8) 614/2 When it [sc. the olfactory nerve] reaches the ethmoid fossa it expands and forms a triangular ganglion, or grayish, soft bulb,—Bulbus olfactorius, Olfactory bulb.

1861–2 Proc. Royal Soc. 11 365 Still more to what I have elsewhere described as the fourth layer of the olfactory bulb in the Sheep, and particularly in the Cat.

1932 S. Zuckerman Social Life Monkeys & Apes viii. 124 If the olfactory bulbs are destroyed before puberty, the appearance of the mating response is no way retarded.

1971 Sci. Amer. July 55/1 In rats we destroyed the mitral cells in the olfactory bulb by surgical intervention.

1997 G. S. Helfman et al. Diversity of Fishes xi. 153/1 Pteraspidomorphi (or Diplorhina = ‘two nares’) derive their alternative name from impressions on the inside of the head plates indicating two separate olfactory bulbs in the brain.

This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).

3. transferred. Anatomy. A roundish dilatation of any cylindrical organ or structure in an animal body, e.g. central bulb, ‘the bulbous extremity of a nerve-fibril in a corpuscle of Krause’; olfactory bulb, the anterior oval termination of the olfactory tract; auditory bulb, the membranous labyrinth and the cochlea together; bulb of the hair, the soft enlargement of the root end of the hair; bulb of spinal marrow, the medulla oblongata.

ΘΚΠ

the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > rounded projection

boss1386

ball1530

tubercle1556

tubercule1596

tuberculum1597

tuberosity1611

caruncle1615

papilla1671

bulb1716

tuber1741

mammula1815

mamilla1818

tuberculation1820

verruca1822

monticule1874

miliary1880

1716 Philos. Trans. 1714–16 (Royal Soc.) 29 327 The Bulb of the Pulmonary Vein..was extraordinarily dilated.

1739 J. Sparrow tr. H. F. Le Dran Observ. Surg. lxxviii. 274 The End of the Bulb of the Urethra.

1813 J. Thomson Lect. Inflammation 614 The small bulbs which surround the roots of the hair.

1870 G. Rolleston Forms Animal Life Introd. 46 The olfactory bulbs are absent.

单词	olfactory bulb
释义	olfactory bulbn. Brit. /ɒlˌfakt(ə)rɪ ˈbʌlb/, U.S. /ɑlˌfækt(ə)ri ˈbəlb/, /oʊlˌfækt(ə)ri ˈbəlb/ Origin: Formed within English, by compounding; modelled on a Latin lexical item. Etymons: olfactory adj., bulb n. Etymology: < olfactory adj. + bulb n., apparently after post-classical Latin bulbus olfactorius (see quot. 1851). Compare earlier olfactory nerve n. Anatomy and Zoology. A bulb-like terminal expansion of the telencephalon on which the olfactory nerve fibres end. ΚΠ 1851 R. Dunglison Med. Lexicon (ed. 8) 614/2 When it [sc. the olfactory nerve] reaches the ethmoid fossa it expands and forms a triangular ganglion, or grayish, soft bulb,—Bulbus olfactorius, Olfactory bulb. 1861–2 Proc. Royal Soc. 11 365 Still more to what I have elsewhere described as the fourth layer of the olfactory bulb in the Sheep, and particularly in the Cat. 1932 S. Zuckerman Social Life Monkeys & Apes viii. 124 If the olfactory bulbs are destroyed before puberty, the appearance of the mating response is no way retarded. 1971 Sci. Amer. July 55/1 In rats we destroyed the mitral cells in the olfactory bulb by surgical intervention. 1997 G. S. Helfman et al. Diversity of Fishes xi. 153/1 Pteraspidomorphi (or Diplorhina = ‘two nares’) derive their alternative name from impressions on the inside of the head plates indicating two separate olfactory bulbs in the brain. This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022). > as lemmas olfactory bulb 3. transferred. Anatomy. A roundish dilatation of any cylindrical organ or structure in an animal body, e.g. central bulb, ‘the bulbous extremity of a nerve-fibril in a corpuscle of Krause’; olfactory bulb, the anterior oval termination of the olfactory tract; auditory bulb, the membranous labyrinth and the cochlea together; bulb of the hair, the soft enlargement of the root end of the hair; bulb of spinal marrow, the medulla oblongata. ΘΚΠ the world > life > biology > physical aspects or shapes > projection or protuberance > [noun] > rounded projection boss1386 ball1530 tubercle1556 tubercule1596 tuberculum1597 tuberosity1611 caruncle1615 papilla1671 bulb1716 tuber1741 mammula1815 mamilla1818 tuberculation1820 verruca1822 monticule1874 miliary1880 1716 Philos. Trans. 1714–16 (Royal Soc.) 29 327 The Bulb of the Pulmonary Vein..was extraordinarily dilated. 1739 J. Sparrow tr. H. F. Le Dran Observ. Surg. lxxviii. 274 The End of the Bulb of the Urethra. 1813 J. Thomson Lect. Inflammation 614 The small bulbs which surround the roots of the hair. 1870 G. Rolleston Forms Animal Life Introd. 46 The olfactory bulbs are absent. extracted from bulbn. < n.1851 as lemmas
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olfactory bulbn.

> as lemmas