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Male in Biological Dictionary

Testes

... sperm, and are also the body's main source of male ... Definition of testes from the ... testicles, also called testes , are part of the male reproductive system. ... List of 27 disease ... Testes organ or body system. ... Testes : The male reproductive glands where sperm are produced. .....

Spermatid

... The term spermatid refers to the haploid male gametid that results from division of secondary ... four haploid cells formed by meiosis in a male organism that develop into spermatozoa without ... symptoms, treatments, and other ... Spermatid : male germ cells derived from the haploid ... ...

Spermatogenesis

... mature spermatozoa. Spermatozoa are the mature male gametes in many sexually reproducing organisms. Thus, spermatogenesis is the male version ... spermatogenesis n. Formation ... Spermatogenesis is maintained and regulated by male steroid ... 4. Translational control during ...

Sperm cells

... the Greek word (σπέρμα) sperma and refers to the male reproductive cells . In the types of sexual ... sperm cell, is the haploid cell that is the male gamete. It joins an ovum to form a zygote. A ... lifestyle ... Sperm cell The male gamete . The typical sperm of most animals ...

Sperm

... the Greek word (σπέρμα) sperma and refers to the male reproductive cells. In the types of sexual ... ... sperm n. , pl. sperm or sperms . A male gamete or reproductive cell; a spermatozoon. ... cryobanks, are facilities that offer solutions to male ... The leading cause ...

Seminal vesicles

... fluid contents into the ejaculatory ducts of some male mammals. The two seminal vesicles contribute ... 60 percent of the fluids passed from the human male during ejaculation. In some mammals the ... like Tumors of the Prostate Seminal Vesicles male Urethra and Penis Atlas ... The seminal ...

Self-pollination

... reproduction. Pollen grains, which contain the male gametes (sperm) to where the female gamete(s) ... Pollination , transfer of pollen grains from the male structure of a plant to the ... The primary ... Self - pollination —Transfer of pollen from the male part ... ... sometimes referred to as self ...

Reciprocal cross

... carry out such an experiment. In one cross , a male expressing the trait of ... ... ... or phenotype as the complementary female or male parent in the other cross . ... Public course ... ... or phenotype as the complementary female or male parent in the other cross . ... Information ...

Prostate gland

... compound tubuloalveolar exocrine gland of the male mammalian reproductive system. Females also have ... develops in the prostate , a gland in the male reproductive system. It occurs when cells of ... Cancer. The prostate gland is a part of the male reproductive system. ... a prostate gland , ...

Proglottid

... ) ... Because each proglottid contains the male and female reproductive structures, ... ... of the segments of a tapeworm, containing both male and female reproductive Taenia saginata Taenia ... Each proglottid contains a complete set of male and female reproductive organs ... occur between ...

Pollination

... reproduction. Pollen grains, which contain the male gametes (sperm) to where the female gamete(s) ... Pollination , transfer of pollen grains from the male structure of a plant to the ... Pollination - ... pollination necessary ? The pollen contains the male gametes (sperm) ... If you want to understand ...

Pollen grain

... ( pollen grains), which produce the male gametes (sperm cells) of seed plants. A hard ... contains one or two generative cells (the male gametes) and a vegetative cell. ... The smallest ... contains one or two generative cells (the male gametes) and a ... The smallest pollen grain , ...

Monoecious

... ... Monoecious - an individual that has both male and female reproductive units ... angiosperms are ... English dictionary and ... monoecious - having male and female reproductive organs in the same plant ... plant. A plant in which in which the male and female organs are borne on the same plant, ......

Mictic egg

... mictic eggs . Female eggs with ... ing) and male eggs (unsuccessful mating) by mictic . females ... of mictic eggs that can produce a haploid male ... mictic fertilized eggs overwinter and can ... eggs not fertilized ---> devel partheno into male -if fertilized ---> mictic egg secretes a ...

Microgametophyte

... (male gametophyte), which ultimately produces male gametes (sperm), and ... ... ( ¦mīkrōgə′mēdə′fīt ) ( botany ) The male gametophyte in plants having two types of ... A ... ? ... microgametophyte IN BRIEF: n. - The male haploid multicellular individual or generation ...

Mating system

... the mating system is mostly polygynous -- one male mates with multiple females. ... The ... often occurs in species in which both the male and ... Hence, males favor any mating ... a resource based polygynous mating system a male defends some resource that ... With the ...

Hermaphrodite

... A hermaphrodite is an organism having both male and female reproductive organs. In many species, ... of the hermaphrodite who has fully functioning male and female organs ... Uncensored pics of ... hermaphrodite " is defined as someone with both male gonadal tissue ... Go to Hermaphrodite ...

Gametogenesis

... Gametogenesis . o the process of formation of the male and female gametes ... Many principles of ... and ... This is a fundamental difference between male and female Gametogenesis . ... Online Medical ... : The development and production of the male and ... Gametogenesis describes and includes ...

Gametophyte

... of generations ... The gametophyte produces male or female ... prothallium ( prō′thalēəm ) ( ... sporophyte phases, known ... The haploid male gametophyte generation of flowering plants consists of two- or ... The number of male gametophyte -specific transcripts ranged from ...

Epididymis

... The epididymis is part of the male reproductive system and is present in all male mammals. It is a narrow, tightly-coiled tube ... cancer, varicocele, ... What makes up the male reproductive system and how does it work? Can ...

Dioecious

... refers to a plant population having separate male and female plants. ... [ Individual plants are ... dioecious , which means that trees have either male or female ... Dioecious - Wikipedia, the ... ... The plants are dioecious which means that male and female flowers are found on different plants. ...

Dimorphism

... dimorphism is the difference in form between male and female members of the same species. ... Below ... . polymorphism. Retrieved from "http://en. ... male P. denticulata. Female P. denticulata. Female C. mento. male C. ....

Alpha male

... community whom the others follow. Where one male and one female fulfill this role, they are ... social group ... The current alpha male must defend his ranking from younger members. ... Alpha male can also refer to an aggressive, highly-ranked ...

Y chromosome

... or Y chromosome ( ) n. The sex chromosome associated with male characteristics in mammals, not occurring in females and occurring with ... Y chromosome long has been the whipping post for all stereotypical male ... A single-source launchpad to information about each human ...

Vas deferens

... The vas deferens , also called ductus deferens , is part of the male anatomy of some species; they transport sperm from the epididymis in ... - The 2 muscular tubes that carry sperm from the testicle and ... The male reproductive system includes the following structures: ... Vas Deferens ...

Stamen

... The stamen is the male organ of a flower. Each stamen generally has a stalk called the ... in the free online English dictionary and encyclopedia. ... stamen - the male reproductive organ of a flower ... Stamen - Definition of Stamen ...

Spermatogonia

... of spermatogonia and wide-spread DNA methylation defects in newborn male ... were conducted on postnatal primitive type A spermatogonia lacking ... Rarely dividing single A spermatogonia exist which potentially are the male ... ... seminiferous tubules consist of diploid spermatogonia , ...

Sexual

... of the "struggle between ... Female Sexual Arousal Disorder male Erectile Disorder ... Fetishism Frotteurism Pedophilia Sexual Masochism. ... research and reviews for products like Orexis, link to this and other male enhancement items. explains what sexual harassment is under federal ...

Sex chromosomes

... relationship between chromosomes and gender? ... Karyotype of a normal male with 22 pairs of autosomes and one pair of sex chromosomes . ... ... has found A human somatic cell has two sex chromosomes : XY in male and XX in female. A human germ cell has one sex chromosome : X or Y ...

Sex cells

... cell as a legal term. What does sex cell mean in law? ... for storing male sex cells involves dissecting the epididymides ... A look at the ... of female mice are better at regenerating tissue than those taken from male mice, a new study finds. ...

Semen

... but some semen got on me? ... ... semen , Alternative treatment for male infertility, duration of erection through ... Increase quality and ... evaluates a man's semen n. A viscous whitish secretion of the male reproductive organs, containing spermatozoa and consisting of secretions ...

Scrotum

... In some male mammals the scrotum is a protuberance of skin and muscle containing ... and word games. Lifestyle, fitness & health information about male Scrotum . ... Update on Scrotum Controversy ... Susan Patron on ...

Pollen tube

... consisting of microgametophytes ( pollen grains), which produce the male gametes (sperm cells) of seed plants. A hard coat covering the pollen ... English ... The pollen tube penetrates the ovule and releases the male gametes. ... GardenWeb Shopping Organization Directory Events Calendar ....

Megagametophyte

... into a microgametophyte (male gametophyte), which ultimately produces male gametes (sperm), and ... Megagametophyte - Definition of ... nuclei (arrows) enter the megagametophyte tubes as they move into ... male (staminate) pine cones are very small in size, ranging from 1 to 2 ... of ...

Hormones

... reveal a remarkable coordination in the body. ... Want the truth about male and female hormones ? ... The major female and male hormones can be classified as estrogens or androgens. ... 4.3 How ...

Haploid gametophyte

... of organisms with zygotic or ... Transcriptome analysis of haploid male gametophyte development in Arabidopsis ... The haploid male gametophyte generation of flowering plants has a simple and ... ...

Gonads

... cells are gametes. Although medically the gonad term can refer to either male gonads (testicles) or female gonads (ovaries), the vernacular, or ... in ... Men's gonads are called the testes, which produce sperm and male sex hormones. Abnormal function of the gonads can cause strong or weak ...

Gamete

... set of unpaired chromosomes ... antherozoid, spermatozoid — a motile male gamete of a plant such as an ... Gamete - Definition of Gamete ... about gamete in the free online English dictionary and encyclopedia. male gamete ... A gamete contains only a single (haploid) set of ...

Fertilized egg cell

... abbreviations ... fertilized egg cell after fusion with male gamete, ... ... order to get from a single cell —the fertilized ... forms a ball of cells (morula) ... They are fertilized by male sperm either inside the female body (as in birds) ... The egg cell's ...

Enhancer

... service The Mens Choice has reviews and unbiased information for male enhancement non prescription and prescription products like VigRx Plus – ... GEE Go Enhancer . ManTested.com has reviews and comparisons for the best male enhancement & health products. ...
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