375-425Ravina

Sayings of Yehuda ben Ilai extracted from the tractates Pesachim and Chullin (Babylonian Talmud). Babylonian Talmud was written between about 450 - 550 in present-day Iraq (formerly Babylonia). The rabbi speaks about the presence of the ligamentum capitis femoris (LCF) and explains how it differs from the sciatic nerve. See our commentary at the link: 375-425Ravina [Rus].

Quote 1.

[Heb]

Pesachim 83b10

(original source: sefaria.org)

Quote 2.

[Heb]

Chullin 91a2

(original source: sefaria.org)

Translation

Quote 1.

[Eng]

Passover Festivals 83b10

Ravina said: This discussion pertains to the outer nerve, and it is in accordance with that which Rav Yehuda said that Shmuel said, as Rav Yehuda said that Shmuel said: There are two sinews in the sciatic nerve: The inner sinew that is next to the bone is forbidden according to Torah law, and one is liable to be flogged for eating it. The outer sinew that is next to the meat is forbidden by rabbinic law, and therefore one is not liable to be flogged for eating it. Since the outer sinew is permitted according to Torah law, it attains the status of leftover when it is not eaten. (original source: sefaria.org)

Quote 2.

[Eng]

Chullin 91a2

Ravina said: The mishna’s statement is necessary only with regard to the outer nerve, and it is in accordance with that which Rav Yehuda said that Shmuel said. As Rav Yehuda said that Shmuel said: There are two nerves included in the prohibition of the sciatic nerve. The inner nerve that is next to the bone is forbidden by Torah law, and one is liable to be flogged for eating it. The outer nerve that is next to the flesh is forbidden by rabbinic law, and therefore one is not liable to be flogged for eating it. In the case of a Paschal offering, since the outer nerve is permitted by Torah law, it assumes the status of leftover sacrificial meat when it is not eaten. (original source: sefaria.org)

External links

Babylonian Talmud. Pesachim (The William Davidson Edition). 450-550. [sefaria.org]

Babylonian Talmud. Chullin (The William Davidson Edition). 450-550. [sefaria.org]

Babylonian Talmud. Tract. Pesachim (Passover). Trans. M.L. Rodkinson Vol. 5. Boston: The Talmud Society, 1918. [archive.org]

Authors & Affiliations

Ravina (Rabina, ca. 375 – ca. 425) was a teacher (rabbi), judge, lived in Sura (Babylonia). [jewishencyclopedia.com , sefaria.org , wikipedia.org]

Keywords

ligamentum capitis femoris, ligamentum teres, ligament of head of femur, Bible, Torah, animals, anatomy, synonym

NB! Fair practice / use: copied for the purposes of criticism, review, comment, research and private study in accordance with Copyright Laws of the US: 17 U.S.C. §107; Copyright Law of the EU: Dir. 2001/29/EC, art.5/3a,d; Copyright Law of the RU: ГК РФ ст.1274/1.1-2,7

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Tweet of January 15, 2026

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