spondylectomies
plural of spondylectomy

spondylectomy
removal of all parts of one or more vertebrae above the sacrum

spondyles
plural of spondyle

spondylizema
A disintegration and sinking in of the lower lumbar vertebrae.

spondylodesis
surgical fusion of parts of the spine

spondylolistheses
plural of spondylolisthesis

spondylolisthesis
A forward displacement of a vertebra over a lower vertebra, due to a congenital defect or injury.

spondylolithesis
Misspelling of spondylolisthesis.

spondylosyndesis
Synonym of spondylodesis.

spondylotherapeutics
Synonym of spondylotherapy.

spondylotherapy
A form of therapy involving stimulation by ice, electric currents, etc. of the nerves originating from the spinal cord.

spondyls
plural of spondyl

spongioblast
A neuroepithelial cell that develops into neuroglial and ependymal cells.

spongioblasts
plural of spongioblast

spongiocyte
Any of the cells of the neuroglia that have spongy vacuolated protoplasm

spongiocytes
plural of spongiocyte

spongiome
A contractile vacuole and the structures that surround it

spongiomes
plural of spongiome

spongioplasm
A fibrous, spongelike component of a cell's cytoplasm.

spongiotrophoblast
spongy trophoblast

spongiotrophoblasts
plural of spongiotrophoblast

spongoblast
In sponges, one of the cells that secrete spongin.

spongoblasts
plural of spongoblast

spongocyte
A cell, in some poriferans, that secretes spongin

spongocytes
plural of spongocyte

sporid
A sporidium.

sporidesm
A pluricellular body which becomes free like a simple spore, and in which every cell is capable of germination.

sporidesms
plural of sporidesm

sporidia
plural of sporidium

sporidium
A secondary spore borne on a promycelium, or a filament produced from a spore, in certain kinds of minute fungi.
An ascospore.
Any spore.

sporids
plural of sporid

sporoblast
A sporozoan cell, found in the oocyst of the malarial parasite in the mosquito, that produces spores and sporozoites.

sporoblasts
plural of sporoblast

sporocyst
A cyst that develops from a sporoblast and from which sporozoites develop.
A larval stage in many trematode worms.
A structure in Ascosphaera fungi within which the asci form.

sporocysts
plural of sporocyst

sporocyte
A cell that produces haploid spores during meiosis

sporocytes
plural of sporocyte

sporophorocyst
A vesicle, in microsporidians, that contain sporoblasts and spores.

sporozoite
Any of the minute active bodies into which a sporozoan divides just before it infects a new host cell.

sporozoites
plural of sporozoite

spuriae
The alae spuriae, or bastard wings.

sputa
plural of sputum

sputums
plural of sputum

squamodisc
An epidermal structure found only in certain monogeneans of the family Diplectanidae, made up of scales embedded in the epidermis.

squamodiscs
plural of squamodisc

squiry
The body of squires, collectively; squirarchy.

squitten
A cat with a genetic deformity which causes a partial formation or complete absence of the radius bone, making it resemble a squirrel.

squittens
plural of squitten

srsussy
The surgically constructed vagina of a trans woman who has undergone sex reassignment surgery

stadda
A double-bladed handsaw for cutting the teeth of combs.

staddas
plural of stadda

stagskin
The skin of a stag.

stagskins
plural of stagskin

stalagmometry
The measurement of surface tension by measuring the weight of the drops of fluid falling from a capillary glass tube.

stamen
In flowering plants, a male reproductive structure in a flower that produces pollen, typically consisting of an anther and a filament.

stamens
plural of stamen

staminode
An abortive stamen, or any organ modified from an abortive stamen; a staminodium

staminodes
plural of staminode

staminodia
plural of staminodium

staminodium
Alternative form of staminode.

stapedii
plural of stapedius

stapedius
A small muscle of the middle ear that arises from the wall of the tympanum and is inserted into the neck of the stapes by a tendon that sometimes contains a slender spine of bone; it is the smallest skeletal muscle in the human body, serving to stabilize the stapes to check and dampen its vibration.

stapedotomies
plural of stapedotomy

stapedotomy
A surgical operation in which a tiny hole is made in the footplate of the stapes, and a prosthesis is placed to touch this area with movement of the tympanic membrane.

staphyloma
An abnormal protrusion of the uveal tissue through the eyeball.

staphylomas
plural of staphyloma

staphylomata
plural of staphyloma

stases
plural of stasis

stasimorphy
Any deviation from the normal form of a bodily organ due to arrested development.

stasis
A slackening or arrest of the blood current, due not to a lessening of the heart’s beat, but to some abnormal resistance of the capillary walls.
Inactivity; a freezing, or state of motionlessness.
A technology allowing something to be artificially frozen in time, so that it does not age or change.
One of the sections of a cathisma or portion of the psalter.

statoblast
A kind of bud, or pod of cells, produced in the interior of certain Bryozoa. As they develop they grow a hard shell and are usually destined to perpetuate the species, bursting open and developing.

statoblasts
plural of statoblast

statocyst
An organ of balance found in some aquatic invertebrates, consisting of a sac-like structure containing a statolith and numerous innervated setae. Ancestral to vertebrate otolith (their organ of hearing and balance).

statocysts
plural of statocyst

statocyte
A cell containing statoliths, thought to be involved in gravitropic perception in plants.

statocytes
plural of statocyte

statoreceptor
A sense organ, in some invertebrates, that reacts to changes in spatial equilibration and orientation

statoreceptors
plural of statoreceptor

statorhab
A stalk, in coelenterates, bearing a statolith.

statute
A written law or ordinance passed by a legislative body.
A rule of an organization or institution.
A law or decree made by a sovereign, or by God.
A (theoretical) type of statutory law specified as regulating a person or thing.
A (theoretical) type of statutory law specified as regulating a person or thing.
A statute fair.

statutes
plural of statute

stauropolyp
A polyp of a stauromedusa

stauropolyps
plural of stauropolyp

stean
A vessel made of clay or stone; a pot of stone or earth.

steaned
simple past and past participle of stean

steans
plural of stean

stegokrotaphy
herpetology The trait of having a stegokrotaphic skull.

steinstrasse
A complication of extracorporeal shock wave lithotripsy (ESWL) in the treatment of kidney stones, in which multiple small stone fragments line up within the ureter, causing obstruction.

stelidia
plural of stelidium

stelidium
Any of the teeth of the column in Bulbophyllum.

stellectomies
plural of stellectomy

stellectomy
The excision of the stellate ganglion.

stemness
An essential characteristic of a stem cell that distinguishes it from ordinary cells.

stemnesses
plural of stemness

stephanion
The point on the side of the skull where the upper temporal line, or upper edge of the temporal fossa, crosses the coronal suture.

stephanions
plural of stephanion

stercobilinogen
A degradation product of bilirubin from which stercobilin is produced by dehydrogenation

stercoroma
Synonym of fecaloma.

stercoromas
plural of stercoroma

stercoromata
plural of stercoroma

stereoblastula
A blastula without a clear central cavity.

stereoblastulae
plural of stereoblastula

stereoblastulas
plural of stereoblastula

stereoencephalogram
A stereoscopic encephalogram

stereoencephalograms
plural of stereoencephalogram

stereokinesis
A change in the movement of an organism or cell following contact stimulus

stereoplasm
The solid or insoluble portion of the cell protoplasm.

sterication
An operation in any dimension that cuts a regular polytope at its cells, its faces, its edges and its vertices, creating a new facet in place of each cell, each face, each edge and each vertex.