Development of the temporomandibular joint in miniature pig embryos

Xiang, Lei; Wang, Xuewen; Li, Yongfeng; Liu, Hua Wei; Zhang, Xianhua; Mu, Xiaodan; Liu, Changkui; Hu, Min

doi:10.1002/jmor.21432

Cited by 7 publications

(4 citation statements)

References 32 publications

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“…Whether the upper or lower cavity forms first may be species‐specific as studies in human fetal tissues indicate that the lower cavity forms first, and the upper cavity forms secondarily (Mérida‐Velasco et al, 2009; 1999; Öğütcen‐Toller & Keskin, 2000). A similar sequence is observed in miniature pigs (Xiang et al, 2022).…”

Section: The Tmj Disc: a Cushion To Soften The Blowsupporting

confidence: 80%

Evolution and development of the mammalian jaw joint: Making a novel structure

Anthwal

Tucker

2022

Evolution and Development

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A jaw joint between the squamosal and dentary is a defining feature of mammals and is referred to as the temporomandibular joint (TMJ) in humans.Driven by changes in dentition and jaw musculature, this new joint evolved early in the mammalian ancestral lineage and permitted the transference of the ancestral jaw joint into the middle ear. The fossil record demonstrates the steps in the cynodont lineage that led to the acquisition of the TMJ, including the expansion of the dentary bone, formation of the coronoid process, and initial contact between the dentary and squamosal. From a developmental perspective, the components of the TMJ form through tissue interactions of muscle and skeletal elements, as well as through interaction between the jaw and the cranial base, with the signals involved in these interactions being both biomechanical and biochemical. In this review, we discuss the development of the TMJ in an evolutionary context. We describe the evolution of the TMJ in the fossil record and the development of the TMJ in embryonic development.We address the formation of key elements of the TMJ and how knowledge from developmental biology can inform our understanding of TMJ evolution.

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Section: The Tmj Disc: a Cushion To Soften The Blowsupporting

confidence: 80%

Evolution and development of the mammalian jaw joint: Making a novel structure

Anthwal

Tucker

2022

Evolution and Development

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“…This periosteum-like covering was not on the humeroradial joint cartilage, although it did have a thick and tight synovial fold. Like the SIJ, the TMJ also seemed to develop a hyaline cartilage after birth, although descriptions of this are limited [ 20 , 21 ]. Therefore, at least in fetuses, the TMJ and SIJ were quite different from the typical cartilage-to-cartilage joint ( e.g ., the humeroradial joint).…”

Section: Discussionmentioning

confidence: 99%

Development and growth of the human fetal sacroiliac joint revisited: a comparison with the temporomandibular joint

et al. 2023

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The human fetal sacroiliac joint (SIJ) is characterized by unequal development of the paired bones and delayed cavitation. Thus, during the long in utero period, the bony ilium becomes adjacent to the cartilaginous sacrum. This morphology may be analogous to that of the temporomandibular joint (TMJ). We examined horizontal histological sections of 24 fetuses at 10-30 weeks and compared the timing and sequences of joint cartilage development, cavitation, and ossification of the ilium. We also examined histological sections of the TMJ and humeroradial joint, because these also contain a disk or disk-like structure. In the ilium, endochondral ossification started in the anterior side of the SIJ, extended posteriorly and reached the joint at 12 weeks GA, and then extended over the joint at 15 weeks GA. Likewise, the joint cartilage appeared at the anterior end of the future SIJ at 12 weeks GA, and extended along the bony ilium posteriorly to cover the entire SIJ at 26 weeks GA. The cavitation started at 15 weeks GA. Therefore, joint cartilage development seemed to follow the ossification of the ilium by extending along the SIJ, and cavitation then occurred. This sequence "ossification, followed by joint cartilage formation, and then cavitation" did not occur in the TMJ or humeroradial joint. The TMJ had a periosteum-like membrane that covered the joint surface, but the humeroradial joint did not. After muscle contraction starts, it is likely that the mechanical stress from the bony ilium induces development of joint cartilage.

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“…The miniature pig is a good model for orofacial research because the organs of miniature pigs and humans not only are similar in morphology but are also basically the same in terms of physiological function, especially in the oral and maxillofacial systems, skin, cardiovascular system, gastrointestinal tract and urinary system [ [16] , [17] , [18] ]. In addition, the development of the miniature pig is also very close to that of humans, the development degree of each organ at birth is similar to that of humans, and the growth and development after birth is also similar to that of humans [ 19 , 20 ].…”

Section: Introductionmentioning

confidence: 99%

Morphogenesis of fungiform papillae in developing miniature pigs

Wang,

2024

Heliyon

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Development of the temporomandibular joint in miniature pig embryos

Cited by 7 publications

References 32 publications

Evolution and development of the mammalian jaw joint: Making a novel structure

Evolution and development of the mammalian jaw joint: Making a novel structure

Development and growth of the human fetal sacroiliac joint revisited: a comparison with the temporomandibular joint

Morphogenesis of fungiform papillae in developing miniature pigs

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