| 释义 |
‖ putamen|pjuːˈteɪmɪn|
[L. putāmen that which falls off in pruning or trimming, husk, shell, f. putāre to prune.]
1. Bot. The endocarp of a fruit when hard and woody, as the ‘stone’ of a plum, etc.; rarely applied to the shell of a nut.
1830Lindley Nat. Syst. Bot. 84 Fruit a drupe, with the putamen sometimes separating spontaneously from the sarcocarp. 1885G. L. Goodale Physiol. Bot. (1892) 176 A fragment of the hard shell of a nut or of the putamen of a drupe.
2. Anat. The outer zone or segment of the extra-ventricular portion of the grey matter of the brain (nucleus lenticularis).
1890in Billings Nat. Med. Dict. 1899Allbutt's Syst. Med. VII. 334 [Certain lesions] in the lenticular nucleus in its outer segment or putamen.
3. The tough membrane or skin which lines the inside of the shell of an egg.
1890in Cent. Dict. 1897in Syd. Soc. Lex. |