Terminology Service < Semantic Lookup Platform

All terms in CL

Label	Id	Description
urethral opening	UBERON_0010418	[An orifice that is part of a lower urinary tract.]
space surrounding organism	UBERON_0013514	[The space that surrounds an organism.]
lumen of urethra	UBERON_0010390	[An organ cavity that is part of a urethra.]
urethra	UBERON_0000057	[the fibromuscular tubular canal through which urine is discharged from the bladder to the exterior via the external urinary meatus; in males, the urethra is joined by the ejaculatory ducts and serves as a passageway for semen during ejaculation, as well as a canal for urine during voiding; in females, the urethra is shorter and emerges above the vaginal opening]
GO_0044699	GO_0044699
heterocyst	CL_0000724	[A differentiated cell that functions as a site of nitrogen fixation under aerobic conditions.]
nitrogen fixing cell	CL_0000725
positive T cell selection	GO_0043368	[The process of sparing immature T cells which react with self-MHC protein complexes with low affinity levels from apoptotic death.]
T cell selection	GO_0045058	[The process in which T cells that express T cell receptors that are restricted by self MHC protein complexes and tolerant to self antigens are selected for further maturation.]
somatic stem cell	CL_0000723	[A stem cell that can give rise to cell types of the body other than those of the germ-line.]
somatic stem cell division	GO_0048103	[The self-renewing division of a somatic stem cell, a stem cell that can give rise to cell types of the body other than those of the germ-line.]
CD4-positive, alpha-beta T cell differentiation	GO_0043367	[The process in which a relatively unspecialized T cell acquires specialized features of a mature CD4-positive, alpha-beta T cell.]
alpha-beta T cell differentiation	GO_0046632	[The process in which a precursor cell type acquires the specialized features of an alpha-beta T cell. An alpha-beta T cell is a T cell that expresses an alpha-beta T cell receptor complex.]
CD4-positive, alpha-beta T cell activation	GO_0035710	[The change in morphology and behavior of a CD4-positive, alpha-beta T cell resulting from exposure to a mitogen, cytokine, chemokine, cellular ligand, or an antigen for which it is specific.]
male urethral meatus	UBERON_0012241	[A urethral meatus that is part of a male urethra[Automatically generated definition].]
male urethra	UBERON_0001333	[A urethra that is part of a male reproductive system.]
glans penis	UBERON_0001299	[the conic expansion of the corpus spongiosum that forms the head of the penis]
cystoblast	CL_0000722
unmodified amino-acid residue	PR_000026291	[An amino-acid residue that has not been covalently modified by chemical alteration to the side chain or backbone atoms.]
amino acid chain component	PR_000036907	[A fiat object part that is either a modified amino-acid residue or an unmodified amino-acid residue.]