| D008297 |
Male |
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Males |
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| D011479 |
Protamines |
A group of simple proteins that yield basic amino acids on hydrolysis and that occur combined with nucleic acid in the sperm of fish. Protamines contain very few kinds of amino acids. Protamine sulfate combines with heparin to form a stable inactive complex; it is used to neutralize the anticoagulant action of heparin in the treatment of heparin overdose. (From Merck Index, 11th ed; Martindale, The Extra Pharmacopoeia, 30th ed, p692) |
Protamine,Protamine Sulfate,Protamine Chloride,Chloride, Protamine,Sulfate, Protamine |
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| D003456 |
Cryptorchidism |
A developmental defect in which a TESTIS or both TESTES failed to descend from high in the ABDOMEN to the bottom of the SCROTUM. Testicular descent is essential to normal SPERMATOGENESIS which requires temperature lower than the BODY TEMPERATURE. Cryptorchidism can be subclassified by the location of the maldescended testis. |
Testis, Undescended,Abdominal Cryptorchidism,Bilateral Cryptorchidism,Cryptorchidism, Unilateral Or Bilateral,Cryptorchism,Inguinal Cryptorchidism,Testes, Undescended,Undescended Testis,Unilateral Cryptorchidism,Cryptorchidism, Abdominal,Cryptorchidism, Bilateral,Cryptorchidism, Inguinal,Cryptorchidism, Unilateral,Undescended Testes |
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| D005786 |
Gene Expression Regulation |
Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. |
Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression |
|
| D000176 |
Acrosin |
A trypsin-like enzyme of spermatozoa which is not inhibited by alpha 1 antitrypsin. |
Acrosomal proteinase,Akrosin,M beta-Acrosin,M beta Acrosin,beta-Acrosin, M,proteinase, Acrosomal |
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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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| D012671 |
Seminiferous Tubules |
The convoluted tubules in the TESTIS where sperm are produced (SPERMATOGENESIS) and conveyed to the RETE TESTIS. Spermatogenic tubules are composed of developing germ cells and the supporting SERTOLI CELLS. |
Seminiferous Tubule,Tubule, Seminiferous,Tubules, Seminiferous |
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| D013090 |
Spermatocytes |
Male germ cells derived from SPERMATOGONIA. The euploid primary spermatocytes undergo MEIOSIS and give rise to the haploid secondary spermatocytes which in turn give rise to SPERMATIDS. |
Spermiocytes,Spermatocyte,Spermiocyte |
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| D013552 |
Swine |
Any of various animals that constitute the family Suidae and comprise stout-bodied, short-legged omnivorous mammals with thick skin, usually covered with coarse bristles, a rather long mobile snout, and small tail. Included are the genera Babyrousa, Phacochoerus (wart hogs), and Sus, the latter containing the domestic pig (see SUS SCROFA). |
Phacochoerus,Pigs,Suidae,Warthogs,Wart Hogs,Hog, Wart,Hogs, Wart,Wart Hog |
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| D013573 |
Synaptonemal Complex |
The three-part structure of ribbon-like proteinaceous material that serves to align and join the paired homologous CHROMOSOMES. It is formed during the ZYGOTENE STAGE of the first meiotic division. It is a prerequisite for CROSSING OVER. |
Synaptinemal Complex,Complex, Synaptinemal,Complex, Synaptonemal |
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