H meaning in Medical ?

Answer:

What is Haploid mean?

Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Sets of chromosomes refer to the number of maternal and paternal chromosome copies, respectively, in each homologous chromosome pair, which chromosomes naturally exist as. Somatic cells, tissues, and individual organisms can be described according to the number of sets of chromosomes present (the "ploidy level"): monoploid (1 set), diploid (2 sets), triploid (3 sets), tetraploid (4 sets), pentaploid (5 sets), hexaploid (6 sets), heptaploid or septaploid (7 sets), etc. The generic term polyploid is often used to describe cells with three or more chromosome sets.

Virtually all sexually reproducing organisms are made up of somatic cells that are diploid or greater, but ploidy level may vary widely between different organisms, between different tissues within the same organism, and at different stages in an organism's life cycle. Half of all known plant genera contain polyploid species, and about two-thirds of all grasses are polyploid. Many animals are uniformly diploid, though polyploidy is common in invertebrates, reptiles, and amphibians. In some species, ploidy varies between individuals of the same species (as in the social insects), and in others entire tissues and organ systems may be polyploid despite the rest of the body being diploid (as in the mammalian liver). For many organisms, especially plants and fungi, changes in ploidy level between generations are major drivers of speciation. In mammals and birds, ploidy changes are typically fatal. There is, however, evidence of polyploidy in organisms now considered to be diploid, suggesting that polyploidy has contributed to evolutionary diversification in plants and animals through successive rounds of polyploidization and rediploidization.

Humans are diploid organisms, normally carrying two complete sets of chromosomes in their somatic cells: two copies of paternal and maternal chromosomes, respectively, in each of the 23 homologous pairs of chromosomes that humans normally have. This results in two homologous pairs within each of the 23 homologous pairs, providing a full complement of 46 chromosomes. This total number of individual chromosomes (counting all complete sets) is called the chromosome number or chromosome complement. The number of chromosomes found in a single complete set of chromosomes is called the monoploid number (x). The haploid number (n) refers to the total number of chromosomes found in a gamete (a sperm or egg cell produced by meiosis in preparation for sexual reproduction). Under normal conditions, the haploid number is exactly half the total number of chromosomes present in the organism's somatic cells, with one paternal and maternal copy in each chromosome pair. For diploid organisms, the monoploid number and haploid number are equal; in humans, both are equal to 23. When a human germ cell undergoes meiosis, the diploid 46 chromosome complement is split in half to form haploid gametes. After fusion of a male and a female gamete (each containing 1 set of 23 chromosomes) during fertilization, the resulting zygote again has the full complement of 46 chromosomes: 2 sets of 23 chromosomes. Euploidy and aneuploidy describe having a number of chromosomes that is an exact multiple of the number of chromosomes in a normal gamete; and having any other number, respectively. For example, a person with Turner syndrome may be missing one sex chromosome (X or Y), resulting in a (45,X) karyotype instead of the usual (46,XX) or (46,XY). This is a type of aneuploidy and cells from the person may be said to be aneuploid with a (diploid) chromosome complement of 45.

reference

Full Form	Category
Humanities	Academic & Science
Hall	Academic & Science
Harvard	Academic & Science
Honors	Academic & Science
Handle	Academic & Science
Hyperion	Business
Hydrogen	Chemistry
Horrific	Community
Highlighted	Community
Humility	Community
Hebrew	Community
Heaven	Community
Holy	Community
Hilfiger	Community
Harmony	Community
Home-school	Community
Hoax	Computing
Hilly	Earth Science
Heater	Electronics
Form H (break; Break) Contacts	Electronics
Henry	Electronics
Hybrid	Electronics
Hell	General
Harry	General
Howard	General
Hannah	General
Hector	General
Horatio	General
Horace	General
Hog	General
Horse	General
Ham	General
And How	General
Harrison	General
Harriet	General
Helen	General
Hope	General
Heads	General
Harold	General
Helpful	Governmental
Homicide	Governmental
Hospital	Governmental
VENKATAGIRI KOTE HAL	Indian Railway Station
Hicri	International
Hilarious	Internet
Hobo	Jobs
Hamming	Maths
Half	Measurement Unit
Hypodermic	Medical
Hematachometer	Medical
Heart	Medical
Heterosexual	Medical
Haploid	Medical
Hospitalization	Medical
Hearing	Medical
Health	Medical
Histidine	Medical
mustard gas	Medical
Hands	Medical
health and safety	Medical
hysterectomy and sterilisation	Medical
Hepatitis	Medical
Huggable	Messaging
Hmm	Messaging
Huh??	Messaging
Hero	Military and Defence
Undistilled Sulfur Mustard Gas (military Designation)	Military and Defence
Honesty	Military and Defence
Honor	Military and Defence
Hub	Networking
Husband	Real Estate
Header	Softwares
Height (altitude)	Space Science
Head	Space Science
Horizontal	Space Science
Hot	Space Science
Hours	Space Science
Hockey	Sports
Hits	Sports
Hits against	Sports
Hidden	Sports
Hint	Sports
The Hogs	Sports
Hardball	Sports