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					entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
				
			that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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					tissue go
part of an organism consisting of an aggregate of cells having a similar structure and function
				
			part of an organism consisting of an aggregate of cells having a similar structure and function
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		membrane, tissue layer
a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
	
				a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
noun.body
	30 Subcategories
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				trophoblast go 
the membrane that forms the wall of the blastocyst in early development
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				chorioallantois, chorioallantoic membrane go 
the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois
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				web go 
membrane connecting the toes of some aquatic birds and mammals
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				Bowman's capsule, glomerular capsule, capsula glomeruli go 
thin double membrane surrounding the glomerulus of a nephron
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				axolemma go 
outer membrane covering an axon
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				basilar membrane go 
a membrane in the cochlea that supports the organ of Corti
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				fetal membrane go 
any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus
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				choroid, choroid coat go 
a highly vascular membrane in the eye between the retina and the sclera
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				ciliary body go 
the part of the tunic of the eye between the choroid coat and the iris
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				cornea go 
the transparent dome-shaped anterior portion of the outer covering of the eye
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				diaphragm, midriff go 
(anatomy) a muscular partition separating the abdominal and thoracic cavities
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				tympanum, eardrum, tympanic membrane, myringa go 
the membrane in the ear that vibrates to sound
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				endocranium go 
membrane lining the inside of the skull
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				endosteum go 
vascular membrane that lines the inner surface of long bones
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				ependyma go 
thin epithelial membrane lining the ventricles of the brain and the spinal cord canal
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				fertilization membrane go 
the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon
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				hyaloid membrane, hyaloid go 
the transparent membrane enveloping the vitreous humor of the eye and separating it from the retina
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				intima go 
the innermost membrane of an organ (especially the inner lining of an artery or vein or lymphatic vessel)
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				iris go 
muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye
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				lamella go 
a thin membrane that is one of the calcified layers that form bones
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				meninx, meninges go 
a membrane (one of 3) that envelops the brain and spinal cord
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				mucous membrane, mucosa go 
mucus-secreting membrane lining all body cavities or passages that communicate with the exterior
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				periosteum go 
a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles
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				perithelium go 
tissue layer around small blood vessels
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				retina go 
the innermost light-sensitive membrane covering the back wall of the eyeball
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				sarcolemma go 
an extensible membrane enclosing the contractile substance of a muscle fiber
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				semipermeable membrane go 
a membrane (as a cell membrane) that allows some molecules to pass through but not others
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				serous membrane, serosa go 
a thin membrane lining the closed cavities of the body
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				synovial membrane, synovium go 
a thin membrane in synovial (freely moving) joints that lines the joint capsule and secretes synovial fluid
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				tunic, tunica, adventitia go 
an enveloping or covering membrane or layer of body tissue