yolk cell
81echinoderm — /i kuy neuh derrm , ek euh neuh /, n. any marine animal of the invertebrate phylum Echinodermata, having a radiating arrangement of parts and a body wall stiffened by calcareous pieces that may protrude as spines and including the starfishes, sea …
82blood — bloodlike, adj. /blud/, n. 1. the fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and platelets are suspended. 2. the… …
83immune system — Anat. a diffuse, complex network of interacting cells, cell products, and cell forming tissues that protects the body from pathogens and other foreign substances, destroys infected and malignant cells, and removes cellular debris: the system… …
84endocrine system, human — ▪ anatomy Introduction group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …
85Haematopoiesis — Diagram showing the development of different blood cells from haematopoietic stem cell to mature cells Haematopoiesis (from Ancient Greek: αἷμα, blood ; ποιεῖν to make ) (or hematopoiesis in the United States; sometimes also haemopoiesis or… …
86Unsaturated fat — Types of fats in food Unsaturated fat Monounsaturated fat Polyunsaturated fat Trans fat Cis fat Omega fatty acids: ω−3 ω−6 ω−9 Saturated fat Interesterified fat See also Fatty acid …
87International Classification of Diseases for Oncology — The International Classification of Diseases for Oncology (ICD O) is a domain specific extension of the International Statistical Classification of Diseases and Related Health Problems for tumor diseases. This classification is widely used by… …
88Polar body — A polar body is a cell structure found inside an ovum. Both animal and plant ova possess it. Asymmetrical cell division (cytokinesis) leads to the production of polar bodies during oogenesis. To conserve nutrients, the majority of cytoplasm is… …
89Endodermal sinus tumor — Infobox Disease Name = Endodermal sinus tumor Caption = DiseasesDB = 4248 ICD10 = ICD9 = ICDO = 9071/3 OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = D018240 Endodermal sinus tumor (EST), also known as yolk sac tumor (YST), is a… …
90RAGE (gene) — Renal tumor antigen, also known as RAGE, is a human gene.cite web | title = Entrez Gene: RAGE renal tumor antigen| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView TermToSearch=5891| accessdate = ] PBB Summary section… …
