Property:Comment
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AO notes: in FMA, tendon is an organ component that with parts dense-irregular-connective-tissue of tendon and dense-irregular-connective-tissue of tendon sheath; we follow VSAO in making it a subtype of the former. In VSAO tendons connect muscle to bone; in WP the def states integument (e.g. auricular muscles) - but JB confirms this is not actually tendon but aponeurosis +
TODO - check vert vs invert. Other species: Any of a number of aggregations of neurons, glial cells and their processes, surrounded by a glial cell and connective tissue sheath (plural: ganglia). // Subdivision of neural tree (organ) which primarily consists of cell bodies of neurons located outside the neuraxis (brain and spinal cord); together with a nucleus and its associated nerve, it constitutes a neural tree (organ). Examples: spinal ganglion, trigeminal ganglion, superior cervical ganglion, celiac ganglion, inferior hypogastric (pelvic) ganglion. // a cluster of nerve cells and associated glial cells (nuclear location) // Portion of tissue that contains cell bodies of neurons and is located outside the central nervous system. // Structures containing a collection of nerve cell bodies. (Source: BioGlossary, www.Biology-Text.com). +
CLP are CD7-positive, CD10-positive, CD19-negative, CD34-positive, CD45RA-positive, CD79a-negative, CD127-positive, AA4.1-positive, RAG-negative, Sca-1-low, sIgM-negative, sIgD-negative, TdT-negative, Vpre-B-negative, and pre-BCR-negative. Expression of transcription factors include E2A-positive, EBF-positive, Ikaros-negative, PU.1-negative, and Pax5-negative. +
These cells may be vimentin-positive, fibronectin-positive, fsp1-positive, MMP-1-positive, collagen I-positive, collagen III-positive, and alpha-SMA-negative. +
TODO - make distinctions between duct and tube clearer. Single layer of cells vs multiples? Function (e.g. exocrine gland duct?). Different ontologies use it in different ways +
Note that MA:0000434 has subclasses upper and lower, so it corresponds to a segment of the tract, rather than the tract as a whole +
ZFA - The multi-tissue structure where the glomerular basement membrane supported by mesonephric podocytes filters blood from the glomerular capillaries. TODO - split glomerulus and glomerular tuft? DONE. GUDMAP: 'Together, the Bowman遯ｶ蜀ｱ capsule and the glomerulus comprise the definitive renal corpuscle.' - here the glomerulus is part of the capsule? +
Editor note: merge with non-neural. In vertebrates, the ectoderm has three parts: external ectoderm (also known as surface ectoderm), the neurectoderm (neural crest, and neural tube). +
Grouping term for query purposes. Notes that the developmental relationships are being refined such that most structures should develop in whole from at most one layer, but may have contributions from multiple +
Grouping term for query purposes. Notes that the developmental relationships are being refined such that most structures should develop in whole from at most one layer, but may have contributions from multiple +
By contrast to the pronephros, the histological features of the mesonephros, with its primitive glomeruli, suggest that it probably functions as a primitive kidney, and is involved in the production of much of the amniotic fluid. Within the two mesonephroi, one located on either side of the dorsal mesentery of the hindgut, a substantial number (in the region of about 40 or more) of cranio-caudally segmented mesonephric tubules are formed. It has, however, been suggested that only the most rostrally located 4-6 pairs of mesonephric tubules drain into the mesonephric portion of the nephric duct. This is now seen to extend along the length of the mesonephroi, being located towards their lateral sides. The mesonephros is also retained over a considerably longer period than the pronephros, but gradually undergoes regression in a cranio-caudal direction. While the rostral part displays clear evidence of regression its more caudal part appears to display evidence of functional activity. Within the medial part of the mesonephros, vesicles are formed, although no glomeruli are formed there in this species. It is, however, difficult to believe that the relatively enormous mesonephroi do not have an excretory role in the mouse, only serving as a base for gonadal differentiation. In the human embryo, the medial part of the mesonephric tubules enlarges, become invaginated by capillaries, and form glomeruli. These then take on an excretory role. In the mouse, the mesonephric ducts appear to be patent throughout their length[GUDMAP] comment: Taxon notes: The mesonephros persists and form the permanent kidneys in fishes and amphibians, but in reptiles, birds, and mammals, it atrophies and for the most part disappears rapidly as the permanent kidney (metanephros) begins to develop during the sixth or seventh week. By the beginning of the fifth month only the ducts and a few of the tubules of the mesonephros remain[WP] +
