| Library / English Dictionary |
SPERM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The male reproductive cell; the male gamete
Example:
a sperm is mostly a nucleus surrounded by little other cellular material
Synonyms:
sperm; sperm cell; spermatozoan; spermatozoon
Classified under:
Hypernyms ("sperm" is a kind of...):
gamete (a mature sexual reproductive cell having a single set of unpaired chromosomes)
Meronyms (parts of "sperm"):
flagellum (a lash-like appendage used for locomotion (e.g., in sperm cells and some bacteria and protozoa))
acrosome (a process at the anterior end of a sperm cell that produces enzymes to facilitate penetration of the egg)
Holonyms ("sperm" is a part of...):
come; cum; ejaculate; seed; semen; seminal fluid (the thick white fluid containing spermatozoa that is ejaculated by the male genital tract)
male reproductive system (the reproductive system of males)
Derivation:
spermatic; spermous (consisting of or resembling spermatozoa)
Context examples:
They also saw that the disturbance in the lab was causing problems in the production of both eggs and sperm.
(Reproductive Problems Reported In Lab Mice after BPA Replacements in Plastics, The Titi Tudorancea Bulletin)
This protein may play a role in both sperm differentiation and apoptosis regulation.
(Nucleoside Diphosphate Kinase Homolog 5, NCI Thesaurus)
Derived from the fertilization of an apparently normal ovum by two sperm.
(Partial Hydatidiform Mole, NLM, Medical Subject Headings)
In men, chlamydia can infect the epididymis, the tube that carries sperm.
(Chlamydia Infections, NIH: National Institute of Allergy and Infectious Diseases)
It is formed after conception (fertilization of an egg by a sperm).
(Chorioadenoma destruens, NCI Dictionary)
Almost all chorioepitheliomas form in the uterus after fertilization of an egg by a sperm, but a small number form in a testis or an ovary.
(Chorioepithelioma, NCI Dictionary)
A medical device with a small rubber cap that fits over the cervix to block sperm from entering the cervical os.
(Contraceptive Cap, NCI Thesaurus)
In biology, the beginning of pregnancy, marked by fertilization of an egg by a sperm.
(Conception, NCI Dictionary)
Almost all chorionic carcinomas form in the uterus after fertilization of an egg by a sperm, but a small number form in a testis or an ovary.
(Chorionic carcinoma, NCI Dictionary)
BRS3 may be required for sperm cell division, maturation, or function, or for regulation of endocrine processes and metabolism responsible for energy balance and adiposity.
(Bombesin-like Receptor 3, NCI Thesaurus)
