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单词 pars distalis
释义

pars distalisn.

Brit. /ˌpɑːz dɪsˈtɑːliːs/, /ˌpɑːz dɪsˈteɪliːs/, /ˌpɑːz dɪsˈtaliːs/, U.S. /ˌpɑrz dɪsˈtælis/, /ˌpɑrz dɪsˈteɪlis/
Origin: A borrowing from Latin. Etymon: Latin pars distalis.
Etymology: < scientific Latin pars distalis (1913 or earlier) < classical Latin pars part n.1 + post-classical Latin distalis (see distal adj.).
Anatomy.
The distal part of the adrenohypophysis (anterior lobe of the pituitary gland), containing the majority of its hormone-secreting cells.
ΚΠ
1913 Internat. Monatsschr. f. Anat. u. Physiol. 30 260 The pars buccalis seu glandularis consists of two elements, namely, the pars juxta-neuralis in close relation with and investing the neural portion and the pars distalis, more remote from the neural portion.
1926 Proc. Royal Soc. 1925–6 B. 99 511 The rich sinusoidal blood supply of the pars distalis of the California ground-squirrel.
1965 L. B. Arey Developmental Anat. (ed. 7) 231 The thick rostral wall of the pouch (technically, the pars distalis) differentiates into cords containing highly specialized cells.
1993 S. J. Ettinger Pocket Compan. Textbk. Vet. Internal Med. xcv. 547 The tripeptide TRH is produced in the paraventricular nucleus of the hypothalamus and transported to the pituitary pars distalis by the hypophyseal portal system.
This is a new entry (OED Third Edition, June 2005; most recently modified version published online March 2022).
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n.1913
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