Search Results for: sac
Amniotic sac
Definition noun, plural: amniotic sacs Fluid-filled sac where the embryo or fetus is suspended in the uterus or in the of... Read More
Conjunctival sac
Definition noun (1) A gap or space formed between the eyelids and eyeball. (2) A fornix bound by the conjunctival membrane... Read More
Angiosperm
Angiosperms Definition What is an angiosperm? An angiosperm is a plant that produces flowers. The angiosperms, also... Read More
Fetal membrane
Definition noun, plural: fetal membranes A membrane surrounding the embryo or fetus and is involved in nutrition,... Read More
Peritoneum
What is the Peritoneum? The term peritoneum refers to the serous membrane that constitutes the biologically active inner... Read More
Lacrimal gland
Definition noun, plural: lacrimal glands Either of the two almond-shaped glands in the upper lateral part of the orbit and... Read More
Amniotic fluid
Definition noun The protective fluid surrounding the developing fetus within the amniotic sac of a pregnant... Read More
Joint capsule
Definition noun, plural: joint capsules A sac-like fibrous tissue that envelopes a synovial joint Supplement Synovial joints... Read More
Dichorionic-diamniotic twins
Definition noun Twins with separate chorions and amniotic sacs in utero Supplement Twins may be classified according to the... Read More
Oligohydramnios
Definition noun A condition characterized by a deficiency of amniotic fluid Supplement The amniotic fluid is the fluid that... Read More
Endomembrane system
Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More
Pneumatophore
Definition noun, plural: pneumatophores (botany) A specialized aerial root, such as in certain mangrove species, that stick... Read More
Lacrimation
Definition noun, plural: lacrimations The shedding of tears; crying; tearing Supplement Lacrimation refers to the shedding... Read More
Plant Cells vs. Animal Cells
Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More
Seed Plants
There are two main subdivisions of seed plants—the ones without covered seeds, the gymnosperms, and the ones with covered... Read More
Golgi apparatus
Golgi Apparatus Definition The Golgi apparatus is a membrane-bound organelle in eukaryotic cells. It plays a crucial role... Read More
Circulation
Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More
Respiration
Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More
Synovial joint
Definition noun A movable joint comprised of a layer of fibrocartilage or hyaline cartilage that lines the opposing bony... Read More
Air bladder
Air bladder 1. (Science: anatomy) An air sac, sometimes double or variously lobed, in the visceral cavity of many fishes. It... Read More
Sporophyte
Sporophyte Definition What is a sporophyte? Accordingly, the sporophyte is the plant generation that produces spores. To... Read More
Bursa omentalis
Bursa omentalis --> omental bursa (Science: anatomy) An isolated portion of the peritoneal cavity lying dorsal to the... Read More
Pericardium
pericardium (Science: anatomy) A double membranous sac which envelops and protects the heart. The layer in contact with the... Read More