types:
chalaza
one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell
coronet
margin between the skin of the pastern and the horn of the hoof
flesh
the soft tissue of the body of a vertebrate: mainly muscle tissue and fat
parenchyma
animal tissue that constitutes the essential part of an organ as contrasted with e.g. connective tissue and blood vessels
adipose tissue,
fat,
fatty tissue
a kind of body tissue containing stored fat that serves as a source of energy; it also cushions and insulates vital organs
connective tissue
tissue of mesodermal origin consisting of e.g. collagen fibroblasts and fatty cells; supports organs and fills spaces between them and forms tendons and ligaments
erectile tissue
vascular tissue capable of filling with blood and becoming rigid
fibrous tissue
tissue consisting of or containing fibers in both animals and plants
gingiva,
gum
the tissue (covered by mucous membrane) of the jaws that surrounds the bases of the teeth
flap
a movable piece of tissue partly connected to the body
membrane,
tissue layer
a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
cortex
the tissue forming the outer layer of an organ or structure in plants or animals
medulla
the inner part of an organ or structure in plant or animal
matrix
the formative tissue at the base of a nail
graft,
transplant
(surgery) tissue or organ transplanted from a donor to a recipient; in some cases the patient can be both donor and recipient
stroma
the supporting tissue of an organ (as opposed to parenchyma)
trophoblast
the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall
germ layer
(embryology) any of the 3 layers of cells differentiated in embryos following gastrulation
web
membrane connecting the toes of some aquatic birds and mammals
cutis,
skin,
tegument
a natural protective body covering and site of the sense of touch
endothelium
an epithelium of mesoblastic origin; a thin layer of flattened cells that lines the inside of some body cavities
mesothelium
epithelium originating in the embryonic mesoderm; lines the primordial body cavity
neuroepithelium
epithelium associated with special sense organs and containing sensory nerve endings
areolar tissue
fibrous connective tissue with the fibers arranged in a mesh or net
flab
loose or flaccid body fat
atheroma
a fatty deposit in the intima (inner lining) of an artery; can obstruct blood flow
cellulite
lumpy deposits of body fat especially on women's thighs etc.
puppy fat
fat on the body of a baby or child; disappears at adolescence
bone,
os
rigid connective tissue that makes up the skeleton of vertebrates
bone marrow,
marrow
the fatty network of connective tissue that fills the cavities of bones
axolemma
outer membrane covering an axon
elastic tissue
connective tissue consisting chiefly of elastic fibers found in the dermis of the skin and in the walls of veins and arteries and in some tendons and ligaments
endoneurium
delicate connective tissue around individual nerve fibers in nerve
fibrocartilage
cartilage that is largely composed of fibers like those in ordinary connective tissue
hyaline cartilage
translucent cartilage that is common in joints and the respiratory passages; forms most of the fetal skeleton
trabecula
rod-shaped structures of fibrous tissue that divide an organ into parts (as in the penis) or stabilize the structure of an organ (as in the spleen)
ligament
a sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles or organs
perineurium
the sheath of connective tissue that covers a bundle of nerve fibers
perimysium
the sheath of connective tissue that covers a bundle of muscle fibers
sinew,
tendon
a cord or band of inelastic tissue connecting a muscle with its bony attachment
uvula
a small pendant fleshy lobe at the back of the soft palate
soft palate,
velum
a muscular flap that closes off the nasopharynx during swallowing or speaking
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
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
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
meninges,
meninx
a membrane (one of 3) that envelops the brain and spinal cord
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
lien,
spleen
a large dark-red oval organ on the left side of the body between the stomach and the diaphragm; produces cells involved in immune responses
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
submucosa
the connective tissue beneath mucous membrane
semipermeable membrane
a membrane (as a cell membrane) that allows some molecules to pass through but not others
smooth muscle
muscle tissue that does not appear striated under the microscope; has the form of thin layers or sheets
glia,
neuroglia
sustentacular tissue that surrounds and supports neurons in the central nervous system; glial and neural cells together compose the tissue of the central nervous system
neuropil,
neuropile
the complex network of unmyelinated axones, dendrites, and glial branches that form the bulk of the central nervous system's grey matter and in which nerve cell bodies are embedded
adrenal cortex
the cortex of the adrenal gland; secretes corticosterone and sex hormones
renal cortex
the cortex of the kidney containing the glomeruli and the convoluted tubules
decidua
the epithelial tissue of the endometrium
facia,
fascia
a sheet or band of fibrous connective tissue separating or binding together muscles and organs etc
autograft,
autoplasty
tissue that is taken from one site and grafted to another site on the same person
allograft,
homograft
tissue or organ transplanted from a donor of the same species but different genetic makeup; recipient's immune system must be suppressed to prevent rejection of the graft
heterograft,
xenograft
tissue from an animal of one species used as a temporary graft (as in cases of severe burns) on an individual of another species
scar tissue
the connective tissue that forms a scar; consists of fibroblasts in new scars and collagen fibers in old scars
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