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|Noun||1.||tissue layer - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants|
trophoblast - the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall; "after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta"
chorioallantoic membrane, chorioallantois - the very vascular fetal membrane composed of the fused chorion and adjacent wall of the allantois
web - membrane connecting the toes of some aquatic birds and mammals
Bowman's capsule, capsula glomeruli, glomerular capsule - thin double membrane surrounding the glomerulus of a nephron
animal tissue - the tissue in the bodies of animals
axolemma - outer membrane covering an axon
basilar membrane - a membrane in the cochlea that supports the organ of Corti
fetal membrane - any membrane that functions for the protection or nourishment or respiration or excretion of a developing fetus
choroid, choroid coat - a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye
ciliary body - the part of the tunic of the eye between the choroid coat and the iris; "the ciliary body produces aqueous humor"
cornea - the transparent dome-shaped anterior portion of the outer covering of the eye; it covers the iris and pupil and is continuous with the sclera
diaphragm, midriff - (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
endocranium - membrane lining the inside of the skull
endosteum - vascular membrane that lines the inner surface of long bones
ependyma - thin epithelial membrane lining the ventricles of the brain and the spinal cord canal
fertilization membrane - the membrane that forms around a fertilized ovum and prevents penetration by additional spermatozoon
hyaloid, hyaloid membrane - the transparent membrane enveloping the vitreous humor of the eye and separating it from the retina
intima - the innermost membrane of an organ (especially the inner lining of an artery or vein or lymphatic vessel)
iris - muscular diaphragm that controls the size of the pupil which in turn controls the amount of light that enters the eye; it forms the colored portion of the eye
lamella - a thin membrane that is one of the calcified layers that form bones
mucosa, mucous membrane - mucus-secreting membrane lining all body cavities or passages that communicate with the exterior
periosteum - a dense fibrous membrane covering the surface of bones (except at their extremities) and serving as an attachment for tendons and muscles; contains nerves and blood vessels that nourish the enclosed bone
perithelium - tissue layer around small blood vessels
retina - the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve
sarcolemma - an extensible membrane enclosing the contractile substance of a muscle fiber
semipermeable membrane - a membrane (as a cell membrane) that allows some molecules to pass through but not others
serosa, serous membrane - a thin membrane lining the closed cavities of the body; has two layers with a space between that is filled with serous fluid
synovial membrane, synovium - a thin membrane in synovial (freely moving) joints that lines the joint capsule and secretes synovial fluid
phospholipid - any of various compounds composed of fatty acids and phosphoric acid and a nitrogenous base; an important constituent of membranes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.