ZOOLOGY AND PALEONTOLOGY

ZOOLOGY AND PALEONTOLOGY

(Information on the presence in existing and extinct animals...)

LCF of Pithecanthropus In the hip joint of Pithecanthropus (Pithecanthropus erectus, Homo erectus 2.12-0.43 Ma), there was a LCF.
LCF of Australopithecus The Australopithecus afarensis (3.2 Ma) had a ligament of the head of femur.
1802CamperP The author discusses the absence and unknown role of the LCF in the elephant and some monkeys.
1803CamperP The author discusses the absence and unknown role of LCF in the orangutan, elephant, and sloth.
1824MeckelJF The author notes the absence of LCF in orangutans, three-toed sloths and turtles.
1835OwenR The author discusses the absence of the LCF in chimpanzees, orangutans and some other mammals.
1851BarkowHCL The author briefly describes LCF in the tiger and llama.
1864MacalisterA LCF has been observed in ostrich and is noted to be strength.
1869MivartG The author discusses his observations of LCF absence in chimpanzees and orangutans.
1877aWelckerH The author discusses the differences in the anatomy of the LCF in animals: tapir, orangutan, chimpanzee.
1879BischoffTLW The paper discusses the size of the LCF in the gorilla.
1880GadowHF LCF has been observed in rhea, cassowary and ostrich and is noted to be strength.
1880HuxleyTH The author writes about the presence and absence of LCF in some animal species.
1883SuttonJB According to the author, the LCF is a tendon of the pectineus muscle, separated from it in consequence of skeletal modifications.
1884SuttonJB The author discovered that in the ostrich the LCF was not continuous with the ambiens muscle.
1885FlowerWH The author notes the presence of the LCF in almost all mammals and lists the species in which it is absent.
1885SuttonJB The author lists the species of animals in which he did not find the LCF.
1887SuttonJB According to the author, the LCF is a modified tendon of the pectineus muscle.
1889EckerA The author points out the presence of the LCF in the frog and the presence of a similar structure in the shoulder joint.
1894KeithA The paper discusses the development, anatomy, strength, and presence of the ligamentum LCF in various monkeys.
1898LeiseringAGT The author describes the LCF in the horse and its accessory ligament.
1899ParsonsFG The paper discusses the anatomy, role and presence of the LCF in different animals.
1932StolpeM The author studied the LCF in birds, mainly waterfowl, the strength is noted and the role.
1934FrancisETB The author points out that the salamander has two acetabular ligaments, analogous to the LCF.
1971CracraftJ LCF has been studied in the pigeon, its strength has been noted and its biomechanics has been described.
1981OrtnerDJ_PutscharWGJ The authors describe signs of LCF pathology in the remains of a Bronze Age individual.
1993BaumelJ. The attachment sites of the LCF in birds are indicated.
2009FrandsonRD_FailsAD The authors discuss the terminology, structure, and role of the LCF in the horse.
THE OLDEST LCF. The first quadruped with LCF '
University_of_Guelph(website). The publication mentions the animal's LCF and states its function: fixing the femoral head in the acetabulum.

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LCF in 2026 (September)

LCF in 2026 (September ) (Quotes from articles and books published in September 2026 mentioning the ligamentum capitis femoris) Goetz, J. E., Hockman, J., & Willey, M. C. (2026). Rabbit models of hip dysplasia: a narrative review. Laboratory animal research , 42 (1), 32. [i] link.springer.com Kahana-Rojkind, A. H., Strok, M. J., Walsh, E. G., Quesada-Jimenez, R., Kuhns, B. D., & Domb, B. G. (2026). Factors Associated With Return to Sport at Minimum 10-Year Follow-up in Athletes With Borderline Hip Dysplasia Undergoing Hip Arthroscopy With Capsular Plication. Orthopaedic Journal of Sports Medicine , 14 (9), 23259671261451218. [ii] journals.sagepub.com Stanard, I., Almhanna, H., Al-Mahmodi, A. M. M., Kilroy, D., & Kumar, A. H. (2026). Comparative Analysis of Vascular Density in the Femoral Head Ligament of the Dog, Sheep, and Goat. [iii] oajr.org , researchgate.net Hirt, J., Roshardt, ...

1785SandifortE

Fragments from the book Sandifort E. Descriptio ossium hominis. (1785). The author briefly writes about the attachment of the ligamentum capitis femoris (LCF). Quote p. 104 [Lat] Os ischium… … Qua spectat pelvim (a) os ischion æquabile est, modice cavatum, ab exteriore profunde sinuatum (b). Sinus hic, quem acetabulum vocant, maximus, sere rotundus, est, dividique potest in partes duas, alteram semilunarem quodammodo, cartilagine tectam (c), hinc æquabilem, alteram altius excavatam, asperam (d), glandulæ muciparæ sedem præbentem, & educentem ligamentum teres, quod capiti ossis femoris infigitur (e). … Quote p. 108-109 [Lat] Femoris os … … Caput magnum, globosum, cartilagine lævi incrustatum, oblique positum (b), id est, sursum introrsumque tendens, magnitudine & figura cum acetabulo (i) congruens, intra illud admittitur, illique alligatur per ligamentum teres, quod firmiter adhæret ab altera parte acetabulo, ab altera sinui profundo, inæquabili, qui in dicto capite est (k...

18c.FontebassoF

Fontebasso F, painting, Jacob wrestling with the angel (18th cent.). Depicting the circumstances and mechanism of the ligamentum capitis femoris (LCF) injury based on the description in the Book of Genesis: 25 And Ja cob was left alone; and there wrestled a man with him until the breaking of the day. 26 And when he saw that he could not pre vail against him, he struck against the hollow of his thigh ; and the hollow of Jacob's thigh was put out of joint, as he was wrestling with him. … 33 Therefore do the children of Israel not eat the sinew which shrank, which is upon the hollow of the thigh, unto this day; because he struck against the hollow of Jacob's thigh on the sinew that shrank. ( 1922LeeserI , Genesis (Bereshit) 32:25-26,33) More about the plot in our work: Ninth month, eleventh day ( 2024АрхиповСВ. Девятый месяц, одиннадцатый день ). Francesco Fontebasso – Jacob Wrestling with the Angel (18th cent.); original in the matthiesenga...

LCF in 2026 (August)

LCF in 2026 (August ) (Quotes from articles and books published in August 2026 mentioning the ligamentum capitis femoris) Maldonado, D. R., Schab, A. R., & Domb, B. G. (2026). Improvement in Patient‐Reported Outcomes, High Rate of Return to Sport, and Secondary Surgery Rate Ranging From 0% to 9.8% After Hip Arthroscopy in Dancers and Athletes in Flexibility Sports: A Systematic Review. Arthroscopy, Sports Medicine, and Rehabilitation , e70020. [i] arthroscopyjournals.onlinelibrary.wiley.com Klingele, K., & Strub, D. (2026). Author Response: Considerations and Challenges in Open Reduction With Ligamentum Teres Reconstruction for Pediatric Developmental Dysplasia of the Hip. Journal of Pediatric Orthopaedics . [ii] ovid.com Quesada‐Jimenez, R., Rana, K., Strok, M. J., Kahana‐Rojkind, A. H., Burt, A. K., Sugarman, E. P., & Domb, B. G. (2026). Dual Labral and Ligamentum Ter...

Plaque

Memorial plaque, bas-relief – Jacob wrestling with an angel. Variant of depicting the circumstances and mechanism of the ligamentum capitis femoris (LCF) injury based on the description in the Book of Genesis: 25 And Ja cob was left alone; and there wrestled a man with him until the breaking of the day. 26 And when he saw that he could not pre vail against him, he struck against the hollow of his thigh ; and the hollow of Jacob's thigh was put out of joint, as he was wrestling with him. … 33 Therefore do the children of Israel not eat the sinew which shrank, which is upon the hollow of the thigh, unto this day; because he struck against the hollow of Jacob's thigh on the sinew that shrank. ( 1922LeeserI , Genesis (Bereshit) 32:25-26,33) More about the plot in our work: Ninth month, eleventh day ( 2024 АрхиповСВ. Девятый месяц, одиннадцатый день ). https://www.ancientsculpturegallery.com/jacob-wrestling-with-the-angel-plaque.html...

Homo ergaster

HOMO ERGASTER The Homo ergaster species lived in Africa 1.8 million years ago and was alive until 600,000 years ago, likely becoming the ancestor of Homo erectus in Asia, Homo neanderthalensis in Europe, and Homo sapiens in Africa (1995CachelS_HarrisJ; 2005KleinR). Homo ergaster is occasionally equated with Homo erectus in publications (2013TattersallI). The most complete Homo ergaster skeleton belongs to an adolescent named "Turkana Boy" (KNM-WT 15000). The young man was between 8 and 12 years old (2010GravesRR_CunninghamDL; 2019BergmanJ). The age of this individual's remains is believed to be 1.6 million years (2007TattersallI). Turkana Boy (reconstruction) Author: Mettmann Neanderthal Museum; source: wikimedia.org collection (license CC BY-SA 4.0, no changes). The pelvis of specimen KNM-WT 15000 is well preserved. It shows ossified acetabulums. In turn, they have spacious acetabular fossae and wide acetabular notches. Based on these elements, it is possible to conc...

Catalog. Arthroscopic reconstruction

Introduction Currently, ligamentum capitis femoris (LCF) reconstruction using arthroscopic technologies is considered promising. According to the literature available to us, the first such operation was performed by Marc J. Philippon, which he first reported on in May 2006 (2006PhilipponMJ). Until now, reconstruction of LCF using minimally invasive technologies has not yet become widespread. The long-term results of arthroscopic LCF repair are still uncertain due to insufficient number of surgical procedures performed and short follow-up period (2014O'DonnellJM_SinghPJ). Catalog Arthroscopic LCF reconstruction and discussion of technique Abibe RB, Rahal SC, dos Reis Mesquita L, Doiche D, da Silva, JP, Mamprim, MJ, Pinho RH, Battazza A, Alves CEF, Saunders WB. Ligamentum teres reconstruction using autogenous semitendinosus tendon with toggle technique in rabbits. PeerJ. 2023;11:e14777. doi.org/10.7717/peerj.14777 [ peerj.com , peerj.com(PDF) ] Al'Khafaji, ...

1527BenedettiA

Fragment from the book Benedetti A. Anatomice siue historia corporis humani (1527). The author explains the origin of the rare synonym of ligamentum capitis femoris (LCF) – ischion. Quote. Liber V. De femine et eius prolapsu. Cap. XXXI Sinus coxae à graecis cotylae, à nostris acetabula dicuntur, quae hos sinus complent circa quae uersurae siunt, coxendices uocatur, à graecis ischia, à quib ischiadici dicti sunt, qui coxedice laborant. Nam et neruus quo coxendix acetabulo comittitur, ischion quoqʒ dicitur. Translation [Eng] Book V. On the Hip and Its Prolapse. Chapter XXXI. The pelvic sinuses are called cups (cotylae) by the Greeks, and in these sinuses, we have an inkwell (acetabula). The region around which the movements take place is called the coxendices (hip joint), by the Greeks the sciatic (ischia), from which the term ischiadici (related to the hip) comes for those suffering from hip issues. And the sinew/nerve (neruus) which connects the hip (coxendix) to the ...

Tiktaalik roseae

TIKTAALIK ROSEAE The first truly tetrapod animal (Limbed tetrapods) is recognized as the lobe-finned fish Tiktaalik roseae (clade Elpistostegalia), discovered in rocks aged about 375 Ma (2006DaeschlerEB_JenkinsJrFA; 2008ShubinN; 2017ShubinN). Discoveries in recent years have allowed us to place the taxa of early tetrapodomorphs in the following order: Tinirau, Eusthenopteron, Megalichthys, Panderichthys, Qikiqtania, Tiktaalik, Elpistostege, Parmastega, Ventastega, Acanthostega, Elginerpeton, Ymeria, Ichthyostega (2022StewartTA_ShubinNH). The closest ancestor of Tiktaalik roseae, the fragments of the skeleton of which are relatively well preserved, is Panderichthys. Reconstruction of the prehistoric fish Pandericthys Author Tyler Rhodes; original in the wikipedia.org collection (license CC BY-SA 3.0, no changes). The shape of the skeleton of the pectoral fin and shoulder girdle suggests that Panderichthys rhombolepis "walked" (2006AhlbergPE_ClackJA). At the very least...

11th-15th Century

11th-15th Century Catalog of archived publications of the specified period 11th century 976-1115Theophilus Protospatharius The author writes about the normal anatomy of the LCF and its connective function. 1012-1024Avicenna The author writes about the localization and variant of the pathology LCF, leading to hip dislocation. 1039-1065Giorgi Mtatsmindeli The translator mentions the LCF damage, and notes its presence in animals. 12 th century 1120-1140Judah Halevi The author mentions LCF (גיד) of mammals. 1176-1178(a)Rambam The author mentions the pathology of LCF (גיד) in humans and points out the presence of this structure in animals. 1176-1178(b)Rambam The author writes about the localization of LCF (גיד) ) and distinguishes it from a tendon, blood vessel or nerve. 1185-1235David Kimchi The author writes about the localization, purpose, and injury of the LCF (גיד), and also talks abo...

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