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The Human Cell Atlas project, which started in 2016, had as one of its goals to "catalog all cell types (for example, immune cells or brain cells) and sub-types in the human body". [13] By 2018, the Human Cell Atlas description based the project on the assumption that "our characterization of the hundreds of types and subtypes of cells in the ...
Parietal epithelial cell (PEC) Podocyte; Angioblast → Endothelial cell; Mesangial cell. Intraglomerular; Extraglomerular; Juxtaglomerular cell; Macula densa cell; Stromal cell → Interstitial cell → Telocytes; Kidney proximal tubule brush border cell; Kidney distal tubule cell; Connecting tubule cells; α-intercalated cell; β-intercalated ...
Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...
capitulum (plural capitula) may refer to: the Latin word for chapter. an index or list of chapters at the head of a gospel manuscript; a short reading in the Liturgy of the Hours. derived from which, it is the Latin for the assembly known as a chapter; a typographic symbol (⸿), to mark chapters or paragraphs, now evolved into the pilcrow
A human cell has genetic material contained in the cell nucleus (the nuclear genome) and in the mitochondria (the mitochondrial genome). In humans, the nuclear genome is divided into 46 linear DNA molecules called chromosomes, including 22 homologous chromosome pairs and a pair of sex chromosomes. The mitochondrial genome is a circular DNA ...
The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. [1] Examples of pseudanthia include flower heads, composite flowers, [2]: 514 or capitula, which are special types of inflorescences [3] in which anything from a small cluster to hundreds or sometimes thousands of flowers are grouped ...
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's stem that is composed of a main branch or a system of branches. [1] An inflorescence is categorized on the basis of the arrangement of flowers on a main axis and by the timing of its flowering (determinate and indeterminate). [2]
The capitulum is not a true 'head' in the sense that the structures one normally associates with the head (primitive brain, salivary glands) are not contained within it; these structures are located in the 'body' of the tick.