Dictionary

All Word
smooth muscle cell Noun cells of the smooth muscles
spicule Noun small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
spiculum Noun small pointed structure serving as a skeletal element in various marine and freshwater invertebrates e.g. sponges and corals
system of macrophages Noun a widely distributed system of free and fixed macrophages derived from bone marrow
synapse Noun the junction between two neurons, axon-to-dendrite, or between a neuron and a muscle
sex chromosome Noun (genetics) a chromosome that determines the sex of an individual
somatic chromosome Noun any chromosome that is not a sex chromosome
systema nervosum Noun the sensory and control apparatus consisting of a network of nerve cells
sensory nerve Noun a nerve that passes impulses from receptors toward or to the central nervous system
sensory fiber Noun a nerve fiber that carries impulses toward the central nervous system
sarcosome Noun a large mitochondrion in a striated muscle fiber
sickle cell Noun an abnormal red blood cell that has a crescent shape and an abnormal form of hemoglobin
siderocyte Noun an abnormal red blood cell containing granules of iron not bound in hemoglobin
spherocyte Noun an abnormal spherical red blood cell
sarcoplasm Noun the cytoplasm of a striated muscle fiber
sclera Noun the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
sclerotic coat Noun the whitish fibrous membrane (albuginea) that with the cornea forms the outer covering and protection of the eyeball
semipermeable membrane Noun a membrane (as a cell membrane) that allows some molecules to pass through but not others
sensory neuron Noun a neuron conducting impulses inwards to the brain or spinal cord
sideroblast Noun an erythroblast having granules of ferritin
sex cell Noun a spermatozoon or an ovum
sperm Noun the male reproductive cell
second cranial nerve Noun the cranial nerve that serves the retina
sperm cell Noun the male reproductive cell
spermatozoon Noun the male reproductive cell
spermatozoan Noun the male reproductive cell
spermatocele Noun a swelling on the epididymis or the testis
spermatocyte Noun a male gametocyte that develops into four spermatids
spermatid Noun an immature gamete produced by a spermatocyte
scavenger cell Noun a cell that engulfs and digests debris and invading microorganisms
striated muscle cell Noun an elongated contractile cell in striated muscle tissue
striated muscle fiber Noun an elongated contractile cell in striated muscle tissue
sarcostyle Noun one of many contractile filaments that make up a striated muscle fiber
sarcomere Noun one of the segments into which a myofibril is divided
smooth muscle Noun muscle tissue that does not appear striated under the microscope
smooth muscle Noun a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart)
subthalamus Noun the ventral part of the thalamus
striatum Noun a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere
striate body Noun a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere
spinal accessory Noun arises from two sets of roots (cranial and spinal) that unite to form the nerve
systema urogenitale Noun the system that includes all organs involved in reproduction and in the formation and voidance of urine
substantia nigra Noun a layer of deeply pigmented grey matter in the midbrain
systema respiratorium Noun the system for taking in oxygen and giving off carbon dioxide
superior colliculus Noun an essential visual center between the retina and the striate cortex
sensory system Noun the body's system of sense organs
sensory system Noun a particular sense
systema nervosum centrale Noun the portion of the vertebrate nervous system consisting of the brain and spinal cord
sensorium Noun the areas of the brain that process and register incoming sensory information and make possible the conscious awareness of the world
sensorimotor area Noun an area of the cortex including the precentral gyrus and the postcentral gyrus and combining sensory and motor functions
sensorimotor region Noun an area of the cortex including the precentral gyrus and the postcentral gyrus and combining sensory and motor functions