Results 61 to 70 of about 10,967 (189)

Six1 and Irx1 have reciprocal interactions during cranial placode and otic vesicle formation.

Developmental Biology, 2019
The specialized sensory organs of the vertebrate head are derived from thickened patches of cells in the ectoderm called cranial sensory placodes. The developmental program that generates these placodes and the genes that are expressed during the process
C. H. Sullivan, H. Majumdar, K. Neilson, S. Moody   +3 more
semanticscholar   +1 more source

A critical reappraisal of the carotid sinus and carotid bulb: Distinguishing neurohistological function from vascular geometry

The Anatomical Record, EarlyView.
This review redefines the carotid bulb (CB) as a variable geometric dilation shaped by hemodynamics and the carotid sinus (CS) as a conserved neurohistological baroreceptor field. Distinguishing these entities clarifies a century of anatomical confusion and links geometry, neurohistology, and clinical interpretation within a unified framework ...
Răzvan Costin Tudose, Nicolae Radu, Mugurel Constantin Rusu   +2 more
wiley   +1 more source

Understanding the spacing of placodes in the eye: A comparative study across age and species

The Anatomical Record, EarlyView.
Abstract The conjunctival placodes of the avian eye form in an intriguing and conserved sequence in a circular annulus around the cornea. These 13–16 placodes develop into papillae that are essential for inducing underlying intramembranous flat bones, known as scleral ossicles, which form an important part of the ocular skeleton.
Florence Joseph, Tamara A. Franz‐Odendaal   +1 more
wiley   +1 more source

Differentiated Daughter Cells Regulate Stem Cell Proliferation and Fate through Intra-tissue Tension.

Cell Stem Cell, 2020
Basal stem cells fuel development, homeostasis, and regeneration of the epidermis. The proliferation and fate decisions of these cells are highly regulated by their microenvironment, including the basement membrane and underlying mesenchymal cells. Basal
W. Ning, A. Muroyama, Hua Li, T. Lechler
semanticscholar   +1 more source

Correct regionalization of a tissue primordium is essential for coordinated morphogenesis

eLife, 2021
During organ development, tubular organs often form from flat epithelial primordia. In the placodes of the forming tubes of the salivary glands in the Drosophila embryo, we previously identified spatially defined cell behaviors of cell wedging, tilting ...
Yara E Sánchez-Corrales, Guy B Blanchard, Katja Röper   +2 more
doaj   +1 more source

A comprehensive embryonic staging series of the turtle Trachemys scripta

Developmental Dynamics, EarlyView.
Abstract Background Turtles hold a unique place in vertebrate evolutionary history, making them critical assets in embryology research. Yet, they remain understudied as potential model organisms in the field. Here, to support experimental manipulations with turtle embryos, we have created a complete normal table of development for comprehensive ...
Christina M. Noravian, Perla G. Rand, Amira Mahomed, Annie Rickard, Oscar D. Juvera, Maria Elena de Bellard, Max Ezin   +6 more
wiley   +1 more source

A molecular atlas of the developing ectoderm defines neural, neural crest, placode, and nonneural progenitor identity in vertebrates

PLoS Biology, 2017
During vertebrate neurulation, the embryonic ectoderm is patterned into lineage progenitors for neural plate, neural crest, placodes and epidermis.
J. Plouhinec, S. Medina-Ruiz, Caroline Borday, E. Bernard, Jean-Philippe Vert, M. Eisen, R. Harland, A. Monsoro-Burq   +7 more
semanticscholar   +1 more source

Protein turnover downstream of the Nipbl/CRL4 axis contributes to abnormal development in zebrafish embryos

Developmental Dynamics, EarlyView.
Abstract Background Mutations in cohesins cause cohesinopathies such as Cornelia de Lange Syndrome (CdLS) and Roberts Syndrome (RBS). Prior findings demonstrate that Esco2 (a cohesin activator) and Smc3 (a core cohesin subunit) regulate the CRL4 E3 ubiquitin ligase. SMC3 mutations, however, account for a small percentage of CdLS.
Annie C. Sanchez, Niusha Banoukh, Fiona Mensching, Robert V. Skibbens, M. Kathryn Iovine   +4 more
wiley   +1 more source

Whole tissue imaging of cellular boundaries at sub‐micron resolutions for deep learning cell segmentation: Applications in the analysis of epithelial bending of ectoderm

Developmental Dynamics, EarlyView.
Abstract Background To understand cellular morphology, biologists have relied on traditional optical microscopy of tissues combined with tissue clearing protocols to image structures deep within tissues. Unfortunately, these protocols often struggle to retain cell boundary markers, especially at high enough resolutions necessary for precise cell ...
Sam C. P. Norris, Jimmy K. Hu, Neil H. Shubin   +2 more
wiley   +1 more source

PACAP in developing sensory and peripheral organs of the zebrafish, Danio rerio

European Journal of Histochemistry, 2009
The anatomical distribution of PACAP-like immunoreactivity was investigated in sensory and peripheral organs of the zebrafish, Danio rerio, during the pharyngula, hatching and larval periods, by using indirect immunofluorescence methods. First PACAP-like
M Mathieu, L Girosi, M Vallarino, G Tagliafierro   +3 more
doaj   +1 more source