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Production of sperm
role in spermatogenesis. The protein FMRP binds to meiotic chromosomes and regulates the dynamics of the DDR machinery during spermatogenesis. FMRP appears
Spermatogenesis
Internal organ in the male reproductive system
external due to spermatogenesis being enhanced at temperatures slightly less than core body temperature outside the body. The spermatogenesis is less efficient
Testicle
may further develop the understanding of spermatogenesis at the cellular and molecular level. Spermatogenesis is a highly complex process and artificially
In_vitro_spermatogenesis
Male reproductive cell
gymnosperms have motile sperm. Sperm cells form during the process known as spermatogenesis, which in amniotes (reptiles and mammals) takes place in the seminiferous
Sperm
responsible for both the initiation and the maintenance of spermatogenesis. It is known that spermatogenesis is under the control of androgens, but germ cells
Spermatogenesis_arrest
Undifferentiated male germ cell
process of spermatogenesis, there are many different parts of the male anatomy, accessory organs, and hormones. However, spermatogenesis can be broken
Spermatogonium
Cells found in human testes which help produce sperm
to lightly stimulate spermatogenesis estradiol - an aromatase converts testosterone to 1,7-beta-estradiol to direct spermatogenesis ETS Related Molecule
Sertoli_cell
Gamete-producing cell
(respectively oogenesis and spermatogenesis) is different for each species but the general stages are similar. Oogenesis and spermatogenesis have many features
Germ_cell
Biological process
species that reproduce sexually have different forms of gametogenesis: spermatogenesis (male): Immature germ cells are produced in a man's testes. To mature
Gametogenesis
Abnormal number or structure of chromosomes
However, as spermatogenesis progresses, DNA repair capacity declines due to changes in how DNA is packaged inside sperm cells. Spermatogenesis occurs in
Chromosome_abnormality
Sperm precursor cell that undergoes meiosis
will stimulate spermatogenesis until the male dies. Increasing the hormones FSH and LH in males will not increase the rate of spermatogenesis. However, with
Spermatocyte
Chemical compound
with testicular production of retinoic acid, which is necessary for spermatogenesis. In studies in male animals including rodents, wolves, cats, and shrews
Fertilysin
Male contraceptive method
of heat on human spermatogenesis. Kyushu J Med Sci.1959;10:101–117. Robinson D, Rock J, Menkin MF. Control of human spermatogenesis by induced changes
Heat-based_contraception
Protein-coding gene in the species Homo sapiens
Spermatogenesis associated 13 is a protein that in humans is encoded by the SPATA13 gene. GRCm38: Ensembl release 89: ENSMUSG00000021990 – Ensembl, May
Spermatogenesis_associated_13
Haploid sex cell
recombination) of a diploid primary oocyte to produce a haploid ovum. Spermatogenesis, the process of male gamete formation in animals, involves meiosis
Gamete
Location of meiosis and creation of spermatozoa
gonadal ridge. Spermatogenesis, the process for producing spermatozoa, takes place in the seminiferous tubules. During spermatogenesis, the DNA of spermatogenic
Seminiferous_tubule
Medical condition of a man whose semen contains no sperm
exogenous FSH suppression by testosterone. Chemotherapy may suppress spermatogenesis. Pretesticular azoospermia is seen in about 2% of azoospermia. Pretesticular
Azoospermia
Protein-coding gene in the species Mus musculus
and females are left infertile if Stra8 signaling is absent due to spermatogenesis and oogenesis remaining uninitiated. As implied by its full name, Stra8
STRA8
Trait that determines an organism's sexually reproductive function
sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon ovum Fertilization External fertilization
Biological_sex
Medical condition
"Novel mutations in ubiquitin-specific protease 26 gene might cause spermatogenesis impairment and male infertility". Asian Journal of Andrology. 9 (6):
Oligospermia
Medical condition
eunuchoidism with preserved spermatogenesis in la Revista de la Asociación Médica Argentina. The hypoandrogenism with spermatogenesis syndrome included:[citation
Fertile_eunuch_syndrome
Branch of biology studying reproduction
Gametogenesis is the formation of gametes, or reproductive cells. Spermatogenesis is the production of sperm cells in the testis. In mature testes primordial
Reproductive_biology
Muscle covering the testicles and spermatic cords
scrotum, it regulates testicular temperature, thus aiding the process of spermatogenesis. In human males, the cremaster muscle is a thin layer of striated muscle
Cremaster_muscle
Chemical compound
effects of exogenous testosterone replacement therapy, such as reduced spermatogenesis or infertility. Enclomiphene citrate is contraindicated in the groups
Enclomifene
Final stage of spermatogenesis, involving spermatid maturation
Spermiogenesis is the final stage of spermatogenesis, during which the spermatids develop into mature spermatozoa. At the beginning of the stage, the
Spermiogenesis
Form of human sexual intercourse
Processes in the human biological life cycle: 1. maturity; 2. spermatogenesis and oogenesis; 3. vaginal intercourse with internal fertilization; 4. zygote;
Penile–vaginal_intercourse
Medical condition
chromosome. These deletions affect protein production that is vital for spermatogenesis. Studies have shown that this is an inherited trait; if a male is fathered
Male_infertility
Protein-coding gene in humans
is important for regulating intracellular calcium levels in sperm. Spermatogenesis is the process of producing mature spermatozoa from spermatogonia,
CIB1
Species of spider
terms of physical structure and presence of all stages of spermatogenesis. This spermatogenesis takes place in cysts which contain spermatids. During this
Pholcus_phalangioides
Protein-coding gene in the species Homo sapiens
H3K9 demethylase. In addition, the JMJD1c gene has a role in mouse spermatogenesis. In male homozygous Jmjd1C mouse knockouts are unable to produce sperm
JMJD1C
Gland that produces sex cells
accumulation of DNA damage and decreased DNA repair ability. During spermatogenesis in the testis, spontaneous new mutations arise and tend to accumulate
Gonad
Sex change as part of the normal life cycle of a species
results suggest that estrogens are important in the regulation of spermatogenesis in this protogynous hermaphrodite. Previous studies have also investigated
Sequential_hermaphroditism
Pharmaceutical compound
required for spermatogenesis, although only a small fraction (5–10%) of normal levels appears to actually be necessary for spermatogenesis. Unlike with
Pharmacology_of_bicalutamide
Sex-specific cell surface antigen in mammals
gene, that was essential for spermatogenesis, thus raising the possibility that the very product of this "spermatogenesis gene" is the H-Y antigen. Among
H-Y_antigen
Pregnancy prevention methods used by men
measuring sperm count or abnormalities in sperm shape, but because spermatogenesis takes approximately 70 days to complete, these methods are likely to
Male_contraceptive
Human protein and coding gene
Spermatogenesis associated serine rich 1 (SPATS1) is a protein which in humans is encoded by the SPATS1 gene. It is also known by the aliases Dishevelled-DEP
SPATS1
Genetic disease causing anemia, birth defects, and cancers
translation of Fanconi anemia (FANC) complex proteins during spermatogenesis". Spermatogenesis. 5 (1) e979061. doi:10.4161/21565562.2014.979061. PMC 4581071
Fanconi_anemia
Protein family
nuclear proteins that replace histones late in the haploid phase of spermatogenesis and are believed essential for sperm head condensation via genomic
Protamine
Sac of skin that protects the testicles
degrees Celsius (99 degrees Fahrenheit). Higher temperatures affect spermatogenesis. Temperature control is accomplished by the smooth muscles of the scrotum
Scrotum
Species of amphibian
mechanism(s) involved in the transition from mitosis to meiosis during spermatogenesis. In males, this transition involves expression of PCNA, a DNA polymerase
Japanese_fire-bellied_newt
Spermatogonium that does not differentiate into a spermatocyte
precursor for spermatozoa and are responsible for the continuation of spermatogenesis in adult mammals. The stem cells are capable of dividing into more
Spermatogonial_stem_cell
Biological term for all non-reproductive bodily cells
mutation frequency in male germline cells at sequential stages of spermatogenesis. The spontaneous mutation frequency was found to be significantly higher
Somatic_(biology)
Animal sexual reproductive act in which a male introduces sperm into the female's body
sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon ovum Fertilization External fertilization
Copulation_(zoology)
Protein
Pointud et al. They found that Taf7l has dual functionality during spermatogenesis. In early stage spermatocytes, for example in primary spermatocytes
TAF7l
Metabolite of vitamin A
system. In the testes, retinoic acid is necessary for the process of spermatogenesis. Experiments in healthy male subjects suggests that retinoic acid is
Retinoic_acid
Gonadotropin secreted by the adenohypophysis
onset of puberty is controlled by two major hormones: FSH initiates spermatogenesis and LH signals the release of testosterone, an androgen that exerts
Luteinizing_hormone
Species of amphibian
body from side to side. This caecilian is viviparous. Males start spermatogenesis at 1 years of age but may not reproduce until year two due to a greater
Dermophis_mexicanus
Salamander in the subfamily Pleurodelinae
mechanism(s) controlling the transition from mitosis to meiosis during spermatogenesis. In the male newt Cynopa pyrrhogaster, this transition was shown to
Newt
Earliest gonadal changes of puberty
mediates maturation of seminiferous tubules to be ready to perform spermatogenesis primarily through stimulation of Sertoli cells, while Leydig cells
Gonadarche
Investigational selective androgen receptor modulator
anabolic to androgenic effects, and dose-dependent suppression of spermatogenesis with spontaneous recovery after cessation of treatment. It was encountered
S-23_(drug)
Species of turtle
follows a postnuptial pattern, with a cycle of spring mating followed by spermatogenesis in the fall. The male will produce sperm during the fall and store
Florida_softshell_turtle
Cell cycle protein
their fertility and exhibit normal spermatogenesis which shows that cyclin B3 is not necessary for spermatogenesis and has some redundant functionality
Cyclin_B3
Chromosomal system
sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon ovum Fertilization External fertilization
ZW_sex-determination_system
Protein found in humans
mesenchymal cell development animal organ regeneration angiogenesis spermatogenesis negative regulation of pro-B cell differentiation regulation of cardioblast
Notch_1
Measure of male fertility
impeding spermatogenesis. Lead, causing reduced spermatogenesis and abnormal spermatozoa. Mercury, being highly damaging to spermatogenesis. Many pesticides
Semen_quality
Condition in which a male has abnormally low semen volume
male body, side effects of medications may affect male fertility, spermatogenesis, and sexual function. Drugs can affect sperm parameters by inhibiting
Hypospermia
Gonad containing both ovarian and testicular tissue
Spermatogenesis has only been observed in solitary testes and not in the testicular portions of ovotestes. According to a 1994 study, spermatogenesis
Ovotesticular_syndrome
Endocrine gland of the brain
Ovaries, mammary glands, testes, prostate Secretion of estrogens/progesterone; lactation; spermatogenesis; prostatic hyperplasia TSH and ACTH secretion
Pituitary_gland
Group of transport proteins
male reproductive system. NKCC1 function appears to be critical for spermatogenesis, as knockdown of NKCC1 in mice results in spermatocytes failing to
Na–K–Cl_cotransporter
Sexual reproduction involving a large, female gamete and a small, male gamete
through spermatogenesis, a form of gametogenesis that focuses on developing the most possible gametes per sexual encounter. Spermatogenesis occurs in
Anisogamy
Inherited neurodegenerative disorder
repeats is known as genetic anticipation. Instability is greater in spermatogenesis than oogenesis; maternally inherited alleles are usually of a similar
Huntington's_disease
Protein-coding gene in humans
regulates numerous key processes such as DNA repair, chromatin remodeling, spermatogenesis, haematopoiesis and the mitotic cell cycle. As a result, CUL4A has
CUL4A
of radiotherapy can disrupt the endocrine system leading to altered spermatogenesis and consequently a decrease in sperm count, sperm motility, sperm morphology
Side effects of radiotherapy on fertility
Side_effects_of_radiotherapy_on_fertility
Sex-specific adaptations
sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon ovum Fertilization External fertilization
Sexual_dimorphism
Biological system that determines the sex of offspring
sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon ovum Fertilization External fertilization
XO_sex-determination_system
Sex of an organism that produces ovums
gamete. The differences become apparent during the latter stages of spermatogenesis (for male gametes) and oogenesis (for female gametes)....After oogenetic
Female
Diminished activity of the gonads
anti-Müllerian hormone, activin, and inhibin. Sperm development (spermatogenesis) and release of the egg from the ovaries (ovulation) may be impaired
Hypogonadism
Protein-coding gene in the species Homo sapiens
regulation of transcription, DNA-templated transcription, DNA-templated spermatogenesis regulation of transcription by RNA polymerase II Sources:Amigo / QuickGO
Zfp41_zinc_finger_protein
All Latin and Greek roots beginning with G
oogenesis, paragenesis, pathogen, polygenous, progenesis, pseudogene, spermatogenesis gen- (GEN) beget Latin gignere, genitus, genus (genitive generis),
List of Greek and Latin roots in English/G
List_of_Greek_and_Latin_roots_in_English/G
American geneticist (1861–1912)
Carnegie Institution of Washington in the two part monograph, "Studies in Spermatogenesis," which highlighted her increasingly promising focus of sex-determination
Nettie_Stevens
Superorder of barnacles
through the degeneration of all tissues except the ones responsible for spermatogenesis. The name Rhizocephala derives from the Ancient Greek roots ῥίζα (rhiza
Rhizocephala
Sperm containing genetic material from a female
PGC could not differentiate into spermatozoa because of restricted spermatogenesis." These simple transplantation methods follow from earlier observations
Female_sperm
Smooth muscle cell found in testis
achieving normal spermatogenesis. Overall, PTM cells have a role in both maintaining the structure of the tubules and regulating spermatogenesis through cellular
Peritubular_myoid_cell
Method of determining sex
sexual reproduction Anisogamy Isogamy Germ cell Meiosis Gametogenesis Spermatogenesis Oogenesis Gamete spermatozoon ovum Fertilization External fertilization
XY_sex-determination_system
Chromosomal theory of inheritance
pp. 261-272 [Retrieved 2011-03-03]. NM Stevens, (1905) “Studies in Spermatogenesis, with Especial Reference to the ‘Accessory Chromosome,’” Washington
Boveri–Sutton chromosome theory
Boveri–Sutton_chromosome_theory
How an animal develops its sexual-reproduction cells
cord and differentiate. In the gonads, the germ cells undergo either spermatogenesis or oogenesis depending on whether the sex is male or female respectively
Germline_development
Mammalian protein found in Homo sapiens
plays an important role in hematopoiesis (formation of blood cells), spermatogenesis, and melanogenesis. The gene encoding stem cell factor (SCF) is found
Stem_cell_factor
Largest class of small non-coding RNA molecules in animals
embryo, and in both C. elegans and humans, piRNAs are necessary for spermatogenesis. piRNA has a role in RNA silencing via the formation of an RNA-induced
Piwi-interacting_RNA
Regulators of feedback on FSH-production
enhancing LH action in the ovary and testis. In the male, activin enhances spermatogenesis. Activin is strongly expressed in wounded skin, and overexpression
Activin_and_inhibin
Protein-coding gene in the species Homo sapiens
(Jan 2011). "The roles of the DAZ family in spermatogenesis: More than just translation?". Spermatogenesis. 1 (1): 36–46. doi:10.4161/spmg.1.1.14659. PMC 3329454
BOLL
Logical fallacy
Painter, Theophilus S. (April 1923), "Studies in mammalian spermatogenesis. II. The spermatogenesis of man", Journal of Experimental Zoology, 37 (3): 291–336
Argument_from_authority
Branch of genetics
spermatogenese humaine" [Human spermatogenesis studies]. Arch. Biologie (in French). 27 (93): 147–149. Painter T.S. "The spermatogenesis of man" p. 129 in "Abstracts"
Cytogenetics
Chemical compound
process called spermatogenesis. In order to render a man infertile, a hormone-based male contraceptive method must stop spermatogenesis by interrupting
Trestolone
Chemical compound
involved in vitamin A signaling. By inhibiting RAR-α, YCT529 disrupts spermatogenesis, leading to temporary infertility. YCT529 targets RAR-α, which plays
YCT529
Family of genetic disorders caused by missing genes in the Y chromosome
Europe and the Western Pacific region. Additional genes associated with spermatogenesis in men and reduced fertility upon Y chromosome deletions include RBM
Y_chromosome_microdeletion
Meat from cattle
reproduction impaired by heat stress. In males, severe heat can affect both spermatogenesis and the stored spermatozoa. It may take up to eight weeks for sperm
Beef
Any steroid hormone that promotes male characteristics
masculine secondary sexual characteristics as well as the activation of spermatogenesis and fertility and masculine behavioral changes such as increased sex
Androgen
Protein-coding gene
Golgi organization nucleus organization muscle cell differentiation spermatogenesis cell differentiation Sources:Amigo / QuickGO Orthologs Species Human
Enaptin
Mammalian protein found in Homo sapiens
survival. The GPX4 isoforms mGPX4 and nGPX4 have been implicated in spermatogenesis and male fertility. In humans, experimental evidence for alternative
Glutathione_peroxidase_4
Failure of the testicle(s) to descend into the scrotum
that normally occurs between the first and fourth months of life. Spermatogenesis continues after birth. In the third to fifth months of life, some of
Cryptorchidism
Portion of a life cycle in which an organism is capable of sexual reproduction
an increase in luteinizing hormone (LH) secretion, and the onset of spermatogenesis. Sexual maturity, however, signifies the attainment of full reproductive
Sexual_maturity
Protein-coding gene in the species Homo sapiens
multicellular organism development G2/M transition of mitotic cell cycle spermatogenesis spermatid development regulation of cilium assembly ciliary basal body-plasma
ODF2
Cellular process
that forms a novel heterodimer with hMSH4 and is expressed during spermatogenesis". Cancer Research. 59 (4): 816–822. PMID 10029069. Krishnaprasad GN
Chromosomal_crossover
Diminished gonad activity due to dysfunction of the hypothalamus or pituitary gland
of gonadal sex steroids and the initiation of folliculogenesis and spermatogenesis. The production of sex steroids forms a negative feedback loop acting
Hypogonadotropic_hypogonadism
Human body part
Mediastinum Lobules Septa Leydig cells Sertoli cells Blood–testis barrier Spermatogenesis Spermatogonium Spermatocytogenesis Spermatocyte Spermatidogenesis Spermatid
Perineal_raphe
Enzyme
gonad development vasculogenesis nitrogen compound metabolic process spermatogenesis apoptotic signaling pathway platelet-derived growth factor receptor
SGPL1
Species of beetle
archival service (link) Entomologi Italiani M. Louise Nichols - - The Spermatogenesis of Euchroma Gigantea God of insects Living Jewels Citizen science observations
Euchroma_giganteum
Protein-coding gene in humans
functionally replaces CSTF2 during spermatogenesis. Mouse models lacking CSTF-64τ show severe defects in spermatogenesis, indicating that CSTF2 family proteins
CSTF2
Process of maturation of primordial follicles
follicles that occurs in part during the menstrual cycle. Contrary to male spermatogenesis, which can last indefinitely, folliculogenesis ends when the remaining
Folliculogenesis
Medical condition
and Csnka2. There are thousands of genes which guide the process of spermatogenesis, and knowing how they're involved in globozoospermia is an important
Globozoospermia
SPERMATOGENESIS
SPERMATOGENESIS
SPERMATOGENESIS
SPERMATOGENESIS
Boy/Male
Arabic, Muslim
Gift; Talent; Plural of Mauhiba
Boy/Male
Indian
Description of a lion
Girl/Female
Hindu
Grace, Beauty
Boy/Male
Tamil
Ram Prasad | ராமபà¯à®°à®¸à®¾à®¤Â
Gift of Lord Rama
Girl/Female
American, Australian
God's Promise
Boy/Male
Indian
Name of the hadrath Ali the lion, The brave
Boy/Male
Muslim
Soothing, Purifying, Hymn, Plentiful, Prosperous, Universal, Home or welfare
Surname or Lastname
English
English : occupational name for an officer of a court of justice, whose duties included serving writs, distraining goods, and (formerly) arresting people. In England formerly it was also a status name for the chief officer of a hundred (administrative subdivision of a county). The derivation is from Middle English, Old French bailis, from Late Latin baiulivus (adjective), ‘pertaining to an attendant or porter’ (see Bailey).Thomas Baylies, a prominent Quaker, came to Boston from London in 1737.
Girl/Female
Tamil
Sidheswar | ஸீதேஸà¯à®µà®°
Lord Shiva
Boy/Male
Indian, Malayalam
Brave Heart
SPERMATOGENESIS
SPERMATOGENESIS
SPERMATOGENESIS
SPERMATOGENESIS
SPERMATOGENESIS
n.
The development of the spermatozoids.
a.
Relating to, or connected with, spermatogenesis; as, spermatogenetic function.