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Science
Biological and Health Sciences
Biological processes and physiology
Biological processes and physiology
Basics
Development
Animal ontogeny
Biological reproduction
Animal reproduction
Human reproduction
Plant reproduction
Acid–base homeostasis
Homeostatic regulation of the pH of the body's extracellular fluid (ECF)
Alternation of generations
Reproductive cycle of plants and algae
Animal embryonic development
Process by which the embryo is formed and develops
Antheridium
Part of a plant producing and containing male gametes
Archegonium
Organ of the gametophyte of certain plants, producing and containing the ovum
Asexual reproduction
Reproduction without a sexual process
Birth
Process of giving birth to one or more offspring
Blastulation
Sphere of cells formed during early embryonic development in animals
Blood sugar level
Concentration of glucose present in the blood (Glycaemia)
Bradymetabolism
Organisms with a high active metabolism
Breech birth
Medical condition
Calvin cycle
Light-independent reactions in photosynthesis
Catabolism
Set of metabolic pathways that breaks down molecules into smaller units
Chemosynthesis
Biological process building organic matter using inorganic compounds as the energy source
Circadian rhythm
Natural internal process that regulates the sleep-wake cycle
Cleavage (embryo)
Division of cells in the early embryo
Cleavage (embryo)
Early-stage embryo consisting of 16 cells
Coagulation
Process by which blood changes from a liquid to a gel, forming a blood clot
Cuticle
Various biological tissues or structures
Development of the human body
Processes of growth from a zygote to an adult human
Developmental Biology (journal)
Academic journal
Digestion
Biological process of breaking down food
Ectotherm
Organism where internal heating sources are small or negligible
Egg
Organic vessel in which an embryo first begins to develop
Egg white
Clear liquid contained within an egg
Ejaculation
Discharge of semen from the male reproductive tract
Embryo
Multicellular diploid eukaryote in its earliest stage of development
Embryology
Branch of biology studying prenatal biology
Endotherm
Organism that maintains body temperature largely by heat from internal bodily functions
Eurytherm
An organism that can function at a wide range of ambient temperatures.
Excretion
Elimination by an organism of metabolic waste products
Female
Sex of an organism which produces ova
Fetus
Prenatal organism between the embryonic state and birth
Gamete
Cell that fuses during fertilisation, such as a sperm or egg cell
Gametophyte
Haploid stage in the life cycle of plants and algae
Gastrulation
Stage in embryonic development in which germ layers form
Germ layer
Primary layer of cells in embryonic development
Germination
Growth of an organism from a seed or spore
Germline
Reproductive cell line in a multicellular organism
Gigantothermy
Form of thermoregulation by body size
Gluconeogenesis
Formation of glucose from noncarbohydrate precursors, such as pyruvate, amino acids and glycerol
GNU GRUB
Boot loader package
Healing
Process of the restoration of health
Hemostasis
The stopping of bleeding (loss of body fluid) or the arrest of the circulation to an organ or part
Heterothermy
Metabolic system
Homeostasis
The state of steady internal conditions maintained by living things
Homeothermy
Thermoregulation that maintains a stable internal body temperature regardless of external influence
Hot flash
Physiological symptom of menopause
Human embryonic development
Process of cell division and cellular differentiation of the embryo that occurs during the early stages of development
Human fertilization
In homo sapiens, when nuclei of sperm & egg fuse to form a diploid cell, known as a zygote
Human reproduction
Procreative biological processes of humanity
Imago
Last stage in an insect's metamorphosis
Insemination
Introduction of semen or sperm into the genital tract of a female animal
Kleptothermy
Form of thermoregulation in which an animal shares in the heat production of another
Lactation
The regulated release of milk from the mammary glands and the period of time that a mother lactates to feed her young
Larva
Juvenile form of distinct animals before metamorphosis
Light-dependent reactions
Photosynthetic reactions
Longevity
Longer than typical lifespan, especially of humans
Male
Sex of an organism which produces sperm
Menopause
Time when menstrual periods stop permanently
Menstrual cycle
Natural changes in the human female reproductive system
Menstruation
Periodic shedding of the uterine lining
Mesotherm
Metabolism
The set of life-sustaining chemical transformations within the cells of organisms
Metamorphosis
Profound change in body structure during the postembryonic development of an organism
Microbial cyst
Resting or dormant stage of a microorganism
Miscarriage
Natural death of an embryo or fetus before it is able to survive independently
Moulting
Process by which an animal routinely casts off a part of its body
Multiple birth
Culmination of one multiple pregnancy, wherein the mother delivers two or more offspring;applicable to placental species
Muscle contraction
Activation of tension-generating sites in muscle
Nymph (biology)
Immature form of some invertebrates
Ontogeny
Origination and development of an organism, usually from the time of egg fertisliation through to adult form
Oogenesis
Complete process of formation and maturation of an ovum or female gamete from a primordial female germ cell. Examples of this process are found in Mus musculus and Drosophila melanomas
Oogonium
Undifferentiated female germ cell
Osmoregulation
An organism's active control of the osmotic pressure of its fluids to maintain homeostasis
Ovulation
Release of a mature ovum from an ovary
Photosynthesis
Biological process to convert light into chemical energy
Physiology
Science of the function of living systems
Plant embryonic development
Process that occurs after the fertilization of an ovule to produce a fully developed plant embryo
Plant physiology
Subdiscipline of botany
Plant reproduction
Production of new individuals or offspring in plants
Plant reproductive morphology
Study of the physical form and structure (the morphology) of those parts of plants directly or indirectly concerned with sexual reproduction
Poikilotherm
Organism with considerable internal temperature variation
Pollen
The grains containing the male gametophytes of seed plants
Pollination
Biological processes occurring in plants
Postterm pregnancy
Medical condition
Pregnancy
Time of offspring development in mother's body
Pregnancy (mammals)
Period of reproduction during which a female mammal carries one or more live offspring from implantation in the uterus through gestation
Pregnancy in fish
Premenstrual syndrome
Emotional and physical symptoms that occur one to two weeks before a menstrual period
Preterm birth
Birth at less than a specified gestational age
Puberty
Transition from a immature child to a sexually mature adult
Reproduction
Biological process by which new organisms are generated from one or more parent organisms
Respiration (physiology)
Exchange of carbon dioxide and oxygen between environment and tissues
Semen
Organic fluid
Sex (disambiguation)
Topics referred to by the same term
Sexual reproduction
Reproduction process that creates a new organism by combining the genetic material of two organisms
Sperm
Male reproductive cell in anisogamous forms of sexual reproduction
Spermatogenesis
Process of formation of spermatozoa germ cells
Spore (disambiguation)
Topics referred to by the same term
Sporophyte
Diploid multicellular stage in the life cycle of a plant or alga
Stenotherm
Organism requiring a specific ambient temperature
Stillbirth
Death of a fetus before or during delivery, resulting in delivery of a dead baby
Tadpole
Larval stage in the life cycle of an amphibian
Thermogenesis
Process of heat production within organisms
Thermolabile
Thermoregulation
Ability of an organism to keep its body temperature within certain boundaries
Thermostability
Vernalization
Induction of a plant's flowering process
Warm-blooded
Animal species that can maintain a body temperature higher than their environment
Wound healing
Series of events that restore integrity to damaged tissue after an injury
Yolk
Part of an egg which feeds the developing chicken embryo
Zygote
Single diploid eukaryotic cell formed by a fertilization event between two gametes